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T20 medium tank - Wikipedia

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class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>T20 series</span> </div> </a> <ul id="toc-T20_series-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-T22_series" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#T22_series"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>T22 series</span> </div> </a> <ul id="toc-T22_series-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-T23_series" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#T23_series"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>T23 series</span> </div> </a> <ul id="toc-T23_series-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-T21_Light_Tank" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#T21_Light_Tank"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>T21 Light Tank</span> </div> </a> <ul id="toc-T21_Light_Tank-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_development" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_development"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Further development</span> </div> </a> <ul id="toc-Further_development-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" 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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">T20 medium tank</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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href="https://de.wikipedia.org/wiki/Medium_Tank_T20" title="Medium Tank T20 – German" lang="de" hreflang="de" data-title="Medium Tank T20" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%DB%8C%DB%B2%DB%B0" title="تی۲۰ – Persian" lang="fa" hreflang="fa" data-title="تی۲۰" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/T20" title="T20 – Italian" lang="it" hreflang="it" data-title="T20" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/T20_Medium_Tank" title="T20 Medium Tank – Polish" lang="pl" hreflang="pl" data-title="T20 Medium Tank" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/T20_(%D1%82%D0%B0%D0%BD%D0%BA)" title="T20 (танк) – Russian" lang="ru" hreflang="ru" data-title="T20 (танк)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/T20_(tank)" title="T20 (tank) – Slovak" lang="sk" hreflang="sk" data-title="T20 (tank)" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A220" title="Т20 – Serbian" lang="sr" hreflang="sr" data-title="Т20" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/T20_(%D1%82%D0%B0%D0%BD%D0%BA)" title="T20 (танк) – Ukrainian" lang="uk" hreflang="uk" data-title="T20 (танк)" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/T20%E4%B8%AD%E5%9E%8B%E6%88%B0%E8%BB%8A" title="T20中型戰車 – Chinese" lang="zh" hreflang="zh" data-title="T20中型戰車" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Series of armored fighting vehicles designed by the United States</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid 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role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article <b>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/T20_medium_tank" title="Special:EditPage/T20 medium tank">improve this article</a> by 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Unsourced material may be challenged and removed.<br /><small><span class="plainlinks"><i>Find sources:</i>&#160;<a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&amp;q=%22T20+medium+tank%22">"T20 medium tank"</a>&#160;–&#160;<a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&amp;q=%22T20+medium+tank%22+-wikipedia&amp;tbs=ar:1">news</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&amp;q=%22T20+medium+tank%22&amp;tbs=bkt:s&amp;tbm=bks">newspapers</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&amp;q=%22T20+medium+tank%22+-wikipedia">books</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22T20+medium+tank%22">scholar</a>&#160;<b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22T20+medium+tank%22&amp;acc=on&amp;wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">December 2008</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vcard" style="width:25.5em;border-spacing:2px;"><tbody><tr><th colspan="2" class="infobox-above hproduct" style="background-color:#C3D6EF;color:inherit;text-align:center;vertical-align:middle;font-size:110%;"><span class="fn org"> Medium tank T20 </span></th></tr><tr><td colspan="2" class="infobox-image" style="text-align:center;border-bottom:1px solid #aaa;line-height:1.5em;"><span typeof="mw:File"><a href="/wiki/File:T20_tank_pilot_at_Fisher_plant.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/T20_tank_pilot_at_Fisher_plant.png/300px-T20_tank_pilot_at_Fisher_plant.png" decoding="async" width="300" height="176" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/T20_tank_pilot_at_Fisher_plant.png/450px-T20_tank_pilot_at_Fisher_plant.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b8/T20_tank_pilot_at_Fisher_plant.png/600px-T20_tank_pilot_at_Fisher_plant.png 2x" data-file-width="2150" data-file-height="1263" /></a></span><div class="infobox-caption">The T20 with horizontal volute spring suspension</div></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Type</th><td class="infobox-data"><a href="/wiki/Medium_tank" title="Medium tank">Medium tank</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C3D6EF;color:inherit;text-align:center;vertical-align:middle;font-size:110%;">Production history</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><abbr title="Number">No.</abbr>&#160;built</th><td class="infobox-data">T20 - 2 pilot<br />T22 - 2 pilot<br /> T23 - 248 <sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C3D6EF;color:inherit;text-align:center;vertical-align:middle;font-size:110%;">Specifications</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Mass</th><td class="infobox-data">29.83&#160;t (29.36 long tons; 32.88 short tons)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Length</th><td class="infobox-data">5.70&#160;m (18&#160;ft 8&#160;in)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Width</th><td class="infobox-data">3.00&#160;m (9&#160;ft 10&#160;in)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Height</th><td class="infobox-data">2.44&#160;m (8&#160;ft 0&#160;in)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Crew</th><td class="infobox-data">5 (Commander, gunner, loader, driver, co-driver)</td></tr><tr><td colspan="2" class="infobox-full-data"><hr /></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><a href="/wiki/Vehicle_armour" title="Vehicle armour">Armor</a></th><td class="infobox-data">62 mm</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><div style="line-height:1.25em">Main<br />armament</div></th><td class="infobox-data"><a href="/wiki/76_mm_gun_M1" title="76 mm gun M1">76 mm gun M1A1</a> <br /> 70 rounds</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><div style="line-height:1.25em">Secondary<br />armament</div></th><td class="infobox-data">2x .30 cal <a href="/wiki/Browning_Model_1919_machine_gun" class="mw-redirect" title="Browning Model 1919 machine gun">Browning M1919</a> machine guns<br /> 6,000 rounds</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Engine</th><td class="infobox-data">GAN V-8 petrol</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Power/weight</th><td class="infobox-data">17.26/ton</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em">Suspension</th><td class="infobox-data">HVSS (Horizontal Volute Spring Suspension)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><div style="line-height:1.25em">Operational<br />range</div></th><td class="infobox-data">160&#160;km (99&#160;mi)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:1em"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><span class="rt-commentedText tooltip" title="Maximum speed of vehicle or missile">Maximum speed </span></th><td class="infobox-data">40&#160;km/h (25&#160;mph)</td></tr></tbody></table> <p>The <b>medium tank T20</b>, <b>medium tank T22</b> and <b>medium tank T23</b> were prototype <a href="/wiki/Medium_tank" title="Medium tank">medium tanks</a>, developed by the <a href="/wiki/United_States_Army" title="United States Army">United States Army</a> during <a href="/wiki/World_War_II" title="World War II">World War II</a>. They were designed as successors to the <a href="/wiki/M4_Sherman" title="M4 Sherman">M4 Sherman</a>. The standard main weapon for production versions of these designs was to be the <a href="/wiki/76_mm_gun_M1" title="76 mm gun M1">76 mm gun M1</a>. </p><p>In July 1943, on the basis that the 75&#160;mm-armed M4 was becoming obsolete, the <a href="/wiki/Ordnance_Department" class="mw-redirect" title="Ordnance Department">US Army Ordnance Department</a> requested that the 76&#160;mm-gunned T23E3 and T20E3 go into production as the <b>M27</b> and <b>M27B1</b>. However, the request was rejected and neither design was ever mass-produced. The Army did not consider it necessary to interrupt M4 production for a vehicle for which they did not perceive a requirement and the introduction of the 76&#160;mm gun to the tank force was opposed by the Armored Ground Force. </p><p>Successive evolution of the basic design culminated in the <a href="/wiki/M26_Pershing" title="M26 Pershing">M26 Pershing</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Design_and_development">Design and development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=1" title="Edit section: Design and development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Almost immediately after the M4 Sherman was standardized, the US Ordnance Department started work on a successor. The Ordnance Department had already been working on a heavily armored <a href="/wiki/Infantry_tank" title="Infantry tank">infantry tank</a> <a href="/wiki/T14_heavy_tank" title="T14 heavy tank">design for the British, using M4 parts</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> The new project was started on the 25 May 1942, it was originally designated <b>M4X</b>.<sup id="cite_ref-:0_3-0" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup> The specification was 32 short tons, "automatic" 75mm gun, 4&#160;in (100&#160;mm) of armor and a top speed of 25&#160;mph (40&#160;km/h).<sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-0" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p><p>After a wooden mockup produced by <a href="/wiki/Fisher_Body" title="Fisher Body">Fisher</a>, Ordnance (in agreement with Armored Force Board) set out three pilot models to be built with different combinations of armament but interchangeable turrets. All would use the <a href="/wiki/Ford_GAA_engine" title="Ford GAA engine">Ford GAN V-8</a> engine driving Hydra-matic transmission through a <a href="/wiki/Torque_converter" title="Torque converter">torque converter</a>. The T20 would have the 76mm gun, the T20E1 the automatic 75mm and the T20E2 a 3-inch gun. T20 and T20E1 would be fitted with <a href="/wiki/Vertical_volute_spring_suspension#Horizontal_volute_spring_suspension" title="Vertical volute spring suspension">horizontal volute spring suspension</a> (HVSS) but the T20E2 would have had <a href="/wiki/Torsion_bar" class="mw-redirect" title="Torsion bar">torsion bar</a> suspension.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-1" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p><p>Starting with the T20, the Ordnance Department initially developed three series of improved medium tank prototypes, the T20, T22, and T23. The main differences between the T20, T22 and T23 lay in the choice of transmission.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-2" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> The T20 used a torque converter fluid drive, the T22 a 5-speed mechanical drive similar to the M4 drive, and the T23 used an electric drive. All moved the transmission to the rear of the vehicle eliminating the need for a driveshaft running the length of the vehicle. The driveshaft used in the M3 and M4 vehicles forced the turret to be mounted higher increasing the vehicle height. </p> <div class="mw-heading mw-heading2"><h2 id="T20_series">T20 series</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=2" title="Edit section: T20 series"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:T20E3.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/69/T20E3.jpg/220px-T20E3.jpg" decoding="async" width="220" height="115" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/69/T20E3.jpg/330px-T20E3.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/69/T20E3.jpg/440px-T20E3.jpg 2x" data-file-width="650" data-file-height="339" /></a><figcaption>T20E3, which replaced the T20's HVSS with torsion bar suspension</figcaption></figure> <p>All the T20 models used the Ford <a href="/wiki/Ford_GAA_engine" title="Ford GAA engine">GAN V8</a> engine with Torqmatic <a href="/wiki/Torque_converter" title="Torque converter">torque converter</a> transmission with rear drive sprocket. The hull was all-welded construction and the turrets cast. <sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-3" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dt>T20</dt> <dd><a href="/wiki/76_mm_gun_M1" title="76 mm gun M1">76 mm gun M1</a> and horizontal volute spring suspension. Built by Fisher and completed in June 1943.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-4" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></dd> <dt>T20E1</dt> <dd>Planned to be 75&#160;mm automatic gun and horizontal volute spring suspension but cancelled and turret used on the T22E1.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-5" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></dd> <dt>T20E2</dt> <dd>Intended to have 3&#160;inch gun and torsion bar suspension but completed by Fisher with 76mm gun and designated T20E3.<sup id="cite_ref-:0_3-1" class="reference"><a href="#cite_note-:0-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup></dd> <dt>T20E3</dt> <dd>76&#160;mm gun and torsion bar suspension<sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-6" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup></dd></dl> <p>The T20 and T20E3 were tested but the transmission leaked and overheated. Any further work on them was stopped at end of 1944.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981149_4-7" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="T22_series">T22 series</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=3" title="Edit section: T22 series"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Work on T22 started in October 1942 when Chrysler were contracted to build pilot tanks that were identical to the T20 including the Ford GAN V8 except for using the M4 Sherman transmission though rear wheel drive rather than positioned in the front of the Sherman's.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981150_5-0" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981150-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> Both vehicles were built by June 1943 but as with the T20 there were transmission issues and work on the T22 was cancelled in December 1944.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981150_5-1" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981150-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p> <dl><dt>T22</dt> <dd>76&#160;mm gun and horizontal volute spring suspension</dd> <dt>T22E1</dt> <dd>First T22 pilot refitted with the turret built by United Shoe Machinery Corporation for the cancelled T20E1.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981150_5-2" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981150-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> 75&#160;mm automatic gun and horizontal volute spring suspension<sup id="cite_ref-:1_6-0" class="reference"><a href="#cite_note-:1-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> The gun was a 75mm M3 on mount M34 which was fed by a hydraulic loader from two magazines – one with AP shells and the other with HE.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981150_5-3" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981150-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup></dd> <dt>T22E3</dt> <dd>Equivalent of the T20 with 3-inch gun; cancelled during design stage.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981150_5-4" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981150-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup></dd></dl> <p>There was only one T22 constructed. The T22E1 was the T22 pilot vehicle re-equipped with the turret originally built for the T20E1. The 75&#160;mm automatic gun was tested in this installation and gave a maximum rate of fire of 20 rounds a minute, but was abandoned in December 1944 on the basis that it was unreliable and larger calibre guns were now the priority. </p> <div class="mw-heading mw-heading2"><h2 id="T23_series">T23 series</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=4" title="Edit section: T23 series"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:T23_Prototype_Electrical_Transmission.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/T23_Prototype_Electrical_Transmission.jpg/220px-T23_Prototype_Electrical_Transmission.jpg" decoding="async" width="220" height="106" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/T23_Prototype_Electrical_Transmission.jpg/330px-T23_Prototype_Electrical_Transmission.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/T23_Prototype_Electrical_Transmission.jpg/440px-T23_Prototype_Electrical_Transmission.jpg 2x" data-file-width="800" data-file-height="385" /></a><figcaption>Production T23</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:T23_Armor_and_Cavalry_Collection_2023.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/T23_Armor_and_Cavalry_Collection_2023.jpg/220px-T23_Armor_and_Cavalry_Collection_2023.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/T23_Armor_and_Cavalry_Collection_2023.jpg/330px-T23_Armor_and_Cavalry_Collection_2023.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4e/T23_Armor_and_Cavalry_Collection_2023.jpg/440px-T23_Armor_and_Cavalry_Collection_2023.jpg 2x" data-file-width="4368" data-file-height="2912" /></a><figcaption>T23 at the <a href="/wiki/U.S._Army_Armor_and_Cavalry_Collection" title="U.S. Army Armor and Cavalry Collection">U.S. Army Armor and Cavalry Collection</a>, <a href="/wiki/Fort_Benning" class="mw-redirect" title="Fort Benning">Fort Benning</a> (now Fort Moore), Georgia in 2023</figcaption></figure> <p><br /> The T23 design was to be similar to the T22 but using a <a href="/wiki/General_Electric" title="General Electric">General Electric</a> supplied electric transmission with M4 tracks and VVS suspension. As with T20 and T22, three pilot models were ordered from Detroit Arsenal with different armament T23 with 76mm, T23E1 with automatic 75mm and T23E2 with 3-inch gun.<sup id="cite_ref-FOOTNOTEChamberlainEllis1981151_7-0" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981151-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> The 75mm and 3-inch designs were cancelled before completion but the first T23 was completed and entered trials before the T20 or T22 designs; the second was ready by March 1943. <sup id="cite_ref-FOOTNOTEChamberlainEllis1981151_7-1" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981151-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> The T23 was found to be highly maneuverable. </p> <dl><dt>T23</dt> <dd>76&#160;mm gun and vertical volute suspension<sup id="cite_ref-:1_6-1" class="reference"><a href="#cite_note-:1-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> Electric transmission.</dd> <dt>T23E1</dt> <dd>automatic 75mm. Cancelled.</dd> <dt>T23E2</dt> <dd>3-inch gun. Cancelled</dd> <dt>T23E3</dt> <dd>76&#160;mm gun and <a href="/wiki/Torsion_bar_suspension" title="Torsion bar suspension">torsion bar suspension</a></dd></dl> <p>The design was classified "limited procurement" in May 1943 and 250 T23s were ordered; these were built between November 1943 and December 1944<sup id="cite_ref-FOOTNOTEChamberlainEllis1981151_7-2" class="reference"><a href="#cite_note-FOOTNOTEChamberlainEllis1981151-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> although the design was never standardized or issued to front line units. Production models featured the T80 gun mount and M1A1 76mm gun. The turret would later be used in modified form for 76mm M4 variants. The T23 was not adopted for service partly because of its untried transmission system and partly because the design had poor weight distribution and excessive ground pressure. In an attempt to rectify this, two further variants were ordered, the T23E3 with torsion bar suspension and the T23E4 with horizontal volute suspension. The T23E4 was cancelled before the design was completed, but the T23E3 prototype was completed and the torsion bar suspension was found to have reduced the ground pressure by 20% compared to the T23. </p> <div class="mw-heading mw-heading2"><h2 id="T21_Light_Tank">T21 Light Tank</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=5" title="Edit section: T21 Light Tank"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In a related development the T21 was proposed as a replacement for the <a href="/wiki/M3_Stuart" title="M3 Stuart">M3 and M5 series light tanks</a>. It was to have been based on the hull and turret design of the T20 but with a maximum armor thickness of 30&#160;mm (1.2&#160;in) it would weigh only 24 short tons (22&#160;t) been armed with the 76&#160;mm gun, used either a torsion bar or use the vertical volute spring suspension of the <a href="/wiki/Medium_Tank_M7" class="mw-redirect" title="Medium Tank M7">M7 Medium Tank</a> (originally known as T7 Light Tank).<sup id="cite_ref-HoW_8-0" class="reference"><a href="#cite_note-HoW-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </p><p>The design was prepared, but the two planned pilots were built; Armored Force wanted light tanks to weigh no more than 20 short tons (18&#160;t). Ultimately, the T21 concept was superseded by the T24 program, which was standardized as the <a href="/wiki/M24_Chaffee" title="M24 Chaffee">M24 Chaffee</a>.<sup id="cite_ref-HoW_8-1" class="reference"><a href="#cite_note-HoW-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Further_development">Further development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=6" title="Edit section: Further development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>With standardization of the M27 rejected, the Ordnance Department continued designing improved tanks, this time armed with 90&#160;mm guns. The immediate result of this line of development was the <a href="/wiki/T25_Medium_Tank" class="mw-redirect" title="T25 Medium Tank">T25 series</a> – essentially a slightly larger version of the T23 – and then the bigger, better protected T26. The T26 further evolved into the T26E3, and was ultimately standardized as the <a href="/wiki/M26_Pershing" title="M26 Pershing">M26 Pershing</a> and accepted into service in 1944. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=7" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/M-numbers" class="mw-redirect" title="M-numbers">M-numbers</a></li> <li><a href="/wiki/G-numbers" class="mw-redirect" title="G-numbers">G-numbers</a> (G183)</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=8" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1 cs1-prop-foreign-lang-source"><a rel="nofollow" class="external text" href="http://aviarmor.net/tww2/tanks/usa/medium_t23.htm">"T23 Средний танк"</a> &#91;T23 Medium Tank&#93;. <i>aviarmor.net</i> (in Russian). 2 September 2018.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=aviarmor.net&amp;rft.atitle=T23+%D0%A1%D1%80%D0%B5%D0%B4%D0%BD%D0%B8%D0%B9+%D1%82%D0%B0%D0%BD%D0%BA&amp;rft.date=2018-09-02&amp;rft_id=http%3A%2F%2Faviarmor.net%2Ftww2%2Ftanks%2Fusa%2Fmedium_t23.htm&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AT20+medium+tank" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text">Steven J. Zaloga, Tony Bryan, Jim Laurier <i>M26/M46 Pershing Tank 1943-53</i> Osprey Publishing p6</span> </li> <li id="cite_note-:0-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.militaryfactory.com/armor/detail.asp?armor_id=784">"Medium Tank T20 Prototype Medium Tank - United States"</a>. <i>www.militaryfactory.com</i><span class="reference-accessdate">. Retrieved <span class="nowrap">20 November</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=www.militaryfactory.com&amp;rft.atitle=Medium+Tank+T20+Prototype+Medium+Tank+-+United+States&amp;rft_id=https%3A%2F%2Fwww.militaryfactory.com%2Farmor%2Fdetail.asp%3Farmor_id%3D784&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AT20+medium+tank" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEChamberlainEllis1981149-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981149_4-7"><sup><i><b>h</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFChamberlainEllis1981">Chamberlain &amp; Ellis 1981</a>, p.&#160;149.</span> </li> <li id="cite_note-FOOTNOTEChamberlainEllis1981150-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEChamberlainEllis1981150_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981150_5-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981150_5-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981150_5-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981150_5-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFChamberlainEllis1981">Chamberlain &amp; Ellis 1981</a>, p.&#160;150.</span> </li> <li id="cite_note-:1-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-:1_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:1_6-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.tanks-encyclopedia.com/ww2/US/T23-medium-tank.php">"T23 Medium Tank"</a>. <i>Tank Encyclopedia</i>. 23 September 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">20 November</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=Tank+Encyclopedia&amp;rft.atitle=T23+Medium+Tank&amp;rft.date=2016-09-23&amp;rft_id=http%3A%2F%2Fwww.tanks-encyclopedia.com%2Fww2%2FUS%2FT23-medium-tank.php&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AT20+medium+tank" class="Z3988"></span></span> </li> <li id="cite_note-FOOTNOTEChamberlainEllis1981151-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-FOOTNOTEChamberlainEllis1981151_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981151_7-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-FOOTNOTEChamberlainEllis1981151_7-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a href="#CITEREFChamberlainEllis1981">Chamberlain &amp; Ellis 1981</a>, p.&#160;151.</span> </li> <li id="cite_note-HoW-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-HoW_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-HoW_8-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.historyofwar.org/articles/weapons_t21_light_tank.html">"T21 Light Tank"</a>. <i>www.historyofwar.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">20 November</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=www.historyofwar.org&amp;rft.atitle=T21+Light+Tank&amp;rft_id=http%3A%2F%2Fwww.historyofwar.org%2Farticles%2Fweapons_t21_light_tank.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AT20+medium+tank" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Sources">Sources</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=9" title="Edit section: Sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFChamberlainEllis1981" class="citation cs2">Chamberlain, Peter; Ellis, Chris (1981) [1969], <i>British And American Tanks of World War II</i> (2nd US&#160;ed.), Arco</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=British+And+American+Tanks+of+World+War+II&amp;rft.edition=2nd+US&amp;rft.pub=Arco&amp;rft.date=1981&amp;rft.aulast=Chamberlain&amp;rft.aufirst=Peter&amp;rft.au=Ellis%2C+Chris&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AT20+medium+tank" class="Z3988"></span></li> <li>TM 9-734 (1944)</li> <li>TM 9-1734 (1944)</li> <li>SNL G183</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=T20_medium_tank&amp;action=edit&amp;section=10" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid 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.navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="American_armored_fighting_vehicles_of_World_War_II" style=";wide;padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background-color:#C3D6EF;color:inherit;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:WWIIAmericanAFVs" title="Template:WWIIAmericanAFVs"><abbr title="View this template" style="color:inherit">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:WWIIAmericanAFVs" title="Template talk:WWIIAmericanAFVs"><abbr title="Discuss this template" style="color:inherit">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:WWIIAmericanAFVs" title="Special:EditPage/Template:WWIIAmericanAFVs"><abbr title="Edit this template" style="color:inherit">e</abbr></a></li></ul></div><div id="American_armored_fighting_vehicles_of_World_War_II" style="font-size:114%;margin:0 4em">American <a href="/wiki/Armored_fighting_vehicle" class="mw-redirect" title="Armored fighting vehicle">armored fighting vehicles</a> of <a href="/wiki/World_War_II" title="World War II">World War II</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Tank" title="Tank">Tanks</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Light_tank" title="Light tank">Light</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M1_combat_car" title="M1 combat car">M1 combat car</a></li> <li><a href="/wiki/M2_light_tank" title="M2 light tank">M2 light tank</a></li> <li><a href="/wiki/M3_Stuart" title="M3 Stuart">M3 Stuart</a></li> <li><a href="/wiki/M22_Locust" title="M22 Locust">M22 Locust</a></li> <li><a href="/wiki/M24_Chaffee" title="M24 Chaffee">M24 Chaffee</a></li> <li><a href="/wiki/Marmon-Herrington_CTLS" class="mw-redirect" title="Marmon-Herrington CTLS">Marmon-Herrington CTLS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Medium_tank" title="Medium tank">Medium</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M2_medium_tank" title="M2 medium tank">M2 medium tank</a></li> <li><a href="/wiki/M3_Lee" title="M3 Lee">M3 Lee</a></li> <li><a href="/wiki/M4_Sherman" title="M4 Sherman">M4 Sherman</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Heavy_tank" title="Heavy tank">Heavy</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M26_Pershing" title="M26 Pershing">M26 Pershing</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Self-propelled_artillery" title="Self-propelled artillery">Self-propelled <br />artillery</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/T19_howitzer_motor_carriage" class="mw-redirect" title="T19 howitzer motor carriage">T19 howitzer motor carriage</a></li> <li><a href="/wiki/T30_howitzer_motor_carriage" class="mw-redirect" title="T30 howitzer motor carriage">T30 howitzer motor carriage</a></li> <li><a href="/wiki/T34_Calliope" title="T34 Calliope">T34 rocket launcher</a></li> <li><a href="/wiki/M2_half-track_car#Self-propelled_guns" title="M2 half-track car">M4 mortar carrier</a></li> <li><a href="/wiki/M3_gun_motor_carriage" class="mw-redirect" title="M3 gun motor carriage">M3 gun motor carriage</a></li> <li><a href="/wiki/M7_Priest" title="M7 Priest">M7 howitzer motor carriage</a> (Priest)</li> <li><a href="/wiki/M8_howitzer_motor_carriage" class="mw-redirect" title="M8 howitzer motor carriage">M8 howitzer motor carriage</a> (Scott)</li> <li><a href="/wiki/M12_gun_motor_carriage" class="mw-redirect" title="M12 gun motor carriage">M12 gun motor carriage</a></li> <li><a href="/wiki/M21_mortar_motor_carriage" class="mw-redirect" title="M21 mortar motor carriage">M21 mortar motor carriage</a></li> <li><a href="/wiki/M40_gun_motor_carriage" class="mw-redirect" title="M40 gun motor carriage">M40 gun motor carriage</a></li> <li><a href="/wiki/M43_howitzer_motor_carriage" class="mw-redirect" title="M43 howitzer motor carriage">M43 howitzer motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Tank_destroyer" title="Tank destroyer">Tank destroyers</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/T48_gun_motor_carriage" class="mw-redirect" title="T48 gun motor carriage">T48 gun motor carriage</a></li> <li><a href="/wiki/M3_gun_motor_carriage" class="mw-redirect" title="M3 gun motor carriage">M3 gun motor carriage</a></li> <li><a href="/wiki/M6_gun_motor_carriage" title="M6 gun motor carriage">M6 gun motor carriage</a></li> <li><a href="/wiki/M10_tank_destroyer" title="M10 tank destroyer">M10 3-inch gun motor carriage</a></li> <li><a href="/wiki/M18_Hellcat" title="M18 Hellcat">M18 gun motor carriage</a> (Hellcat)</li> <li><a href="/wiki/M36_tank_destroyer" title="M36 tank destroyer">M36 gun motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Armored carriers</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M2_half-track_car" title="M2 half-track car">M2 half-track car</a></li> <li><a href="/wiki/M3_half-track" title="M3 half-track">M3 half-track</a></li> <li><a href="/wiki/M5_half-track" title="M5 half-track">M5 half-track</a></li> <li><a href="/wiki/M9_half-track" title="M9 half-track">M9 half-track</a></li> <li><a href="/wiki/M39_armored_utility_vehicle" title="M39 armored utility vehicle">M39 armored utility vehicle</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Amphibious_vehicle" title="Amphibious vehicle">Amphibious vehicles</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Landing_Vehicle_Tracked" title="Landing Vehicle Tracked">Landing Vehicle Tracked</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Armored_car_(military)" title="Armored car (military)">Armored cars</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M3_scout_car" title="M3 scout car">M3 scout car</a></li> <li><a href="/wiki/M8_Greyhound" title="M8 Greyhound">M8 light armored car</a></li> <li><a href="/wiki/M8_Greyhound#Variants" title="M8 Greyhound">M20 armored utility car</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Self-propelled_anti-aircraft_weapon" title="Self-propelled anti-aircraft weapon">Self-propelled <br />anti-aircraft guns</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M13_multiple_gun_motor_carriage" class="mw-redirect" title="M13 multiple gun motor carriage">M13/M14 multiple gun motor carriage</a></li> <li><a href="/wiki/M15_half-track" title="M15 half-track">M15 combination gun motor carriage</a></li> <li><a href="/wiki/M16_multiple_gun_motor_carriage" class="mw-redirect" title="M16 multiple gun motor carriage">M16/M17 multiple gun motor carriage</a></li> <li><a href="/wiki/M19_multiple_gun_motor_carriage" class="mw-redirect" title="M19 multiple gun motor carriage">M19 multiple gun motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Experimental and <br />short production <br />run vehicles</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0;;wide"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Tanks</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/M6_heavy_tank" title="M6 heavy tank">M6 heavy tank</a></li> <li><a href="/wiki/Medium_tank_M7" class="mw-redirect" title="Medium tank M7">Light tank T7/medium tank M7</a></li> <li><a href="/wiki/T14_heavy_tank" title="T14 heavy tank">T14 heavy tank</a></li> <li><a class="mw-selflink selflink">T20 medium tank</a></li> <li><a href="/wiki/T25_medium_tank" title="T25 medium tank">T25 medium tank</a></li> <li><a href="/wiki/T28_super-heavy_tank" title="T28 super-heavy tank">T28 super-heavy tank</a></li> <li><a href="/wiki/T29_heavy_tank" title="T29 heavy tank">T29 heavy tank</a></li> <li><a href="/wiki/T30_heavy_tank" title="T30 heavy tank">T30 heavy tank</a></li> <li><a href="/wiki/T32_heavy_tank" title="T32 heavy tank">T32 heavy tank</a></li> <li><a href="/wiki/T34_heavy_tank" title="T34 heavy tank">T34 heavy tank</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Self-propelled <br />artillery</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>T24/<a href="/wiki/T40/M9_tank_destroyer" title="T40/M9 tank destroyer">T40/M9 tank destroyer</a></li> <li><a href="/wiki/T18_howitzer_motor_carriage" class="mw-redirect" title="T18 howitzer motor carriage">T18 howitzer motor carriage</a></li> <li><a href="/wiki/M3_half-track#Anti-aircraft_variants" title="M3 half-track">T54/T59 gun motor carriage</a></li> <li><a href="/wiki/T55E1_motor_carriage" class="mw-redirect" title="T55E1 motor carriage">T55E1 motor carriage</a></li> <li><a href="/wiki/8-inch_howitzer_motor_carriage_T84" class="mw-redirect" title="8-inch howitzer motor carriage T84">8-inch howitzer motor carriage T84</a></li> <li><a href="/wiki/T92_howitzer_motor_carriage" class="mw-redirect" title="T92 howitzer motor carriage">T92/T93 gun motor carriage</a></li> <li><a href="/wiki/M18_Hellcat#Variants" title="M18 Hellcat">T88 gun motor carriage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;">Armoured cars</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/T17_Deerhound" title="T17 Deerhound">T17 Deerhound</a></li> <li><a href="/wiki/T18_Boarhound" title="T18 Boarhound">T18 Boarhound</a></li> <li><a href="/wiki/T27_armored_car" title="T27 armored car">T27 armored car</a></li> <li><a href="/wiki/M38_Wolfhound" title="M38 Wolfhound">M38 Wolfhound</a></li> <li><a href="/wiki/S1_scout_car" title="S1 scout car">S1 scout car</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;background-color:#DCDCDC;color:inherit;"><a href="/wiki/Lend-Lease" title="Lend-Lease">Lend-Lease</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Universal_Carrier#United_States_variants" title="Universal Carrier">T16 universal carrier</a></li> <li><a href="/wiki/T17E1_Staghound" title="T17E1 Staghound">T17E1 Staghound</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="background-color:#DCDCDC;color:inherit;"><div><a href="/wiki/American_armored_fighting_vehicle_production_during_World_War_II" title="American armored fighting vehicle production during World War II">American armored fighting vehicle production during World War II</a></div></td></tr></tbody></table></div> <p class="mw-empty-elt"> </p> <!-- NewPP limit report Parsed by mw‐api‐ext.codfw.main‐5df79d45d6‐v7pxh Cached time: 20241203070800 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.604 seconds Real time usage: 0.778 seconds Preprocessor visited node count: 3065/1000000 Post‐expand include size: 66385/2097152 bytes Template argument size: 4470/2097152 bytes 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