LM2500+G4 | GE Aerospace

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</div> <div class="d-flex align-items-center"> <div class="d-flex align-items-center language-switcher-block"> </div> <div class="d-flex align-items-center search-icon-bg"> <a data-lang-code="en" data-search-type="d11bb47a7538b3b9f788859a47c37f10" id="ge-search-component-init" class="nav-link text-white"> <i class="ficon-search"><span class="hidden">Search</span></i> </a> </div> </div>  </div> </nav> </header>  <main> <div class="block block--aero-sub-theme-content block--system-main"> <article data-history-node-id="5124" class="node aeroblox-page aeroblox-page--full"> <div class="node__content"> <div class="field field--name-body field--type-text-with-summary field--label-hidden field__item"> <section class="wp-block-aero-hero-secondary"><div class="container-fluid custom-px"><div class="cont-wrap d-flex flex-column"><div class="mb-auto"></div><div class="row"><div class="col-xl-7 col-lg-8 col-md-12"><div class="title"><div class="title-white">LM2500+G4</div><div class="title-grey">Engine</div></div></div><div class="col-xl-5 col-lg-4 col-md-12 mt-auto"><div class="right-text"></div></div></div></div></div><picture class="bg-image"><img class="image-fluid" src="/sites/default/files/LM2500%2BG4_0.jpg" alt="GE Aerospace"/></picture></section> <section class="wp-block-aero-disclaimer custom-px light" style="padding-bottom:0rem;padding-top:0rem"><p class="text-para mb-0">Photo courtesy of FINCANTIERI S.p.A. – All rights reserved</p></section> <section class="wp-block-aero-intro-text"><div class="theme-wrapper light"><div class="container-fluid custom-px"><div class="row"><div class="title-subtitile col-xl-7 col-lg-8 col-md-12"><h2 class="title">Most power and efficiency</h2><div class="subtitle"></div></div><div class="col-xl-5 col-lg-4 col-md-12"><div class="info-and-btn"><div class="info">The LM2500+G4 engine is the fourth generation of the industry-leading LM2500.<br><br>It has all the same high reliability, availability, and efficiency (lower SFC) but with more power (a 41% increase) than the base LM2500.<br><br>It is the most powerful and efficient member of the LM2500 family.<br><br>Photo courtesy of the Italian Navy</div><ul class="list-item"></ul><div class="btn-without-link ge-btn button-icon button-primary-light btn-arrow-right-icon"><a rel="noreferrer noopener" href="/sites/default/files/datasheet-lm2500plusg4.pdf" data-type="URL" target="_blank">Download data sheet</a></div></div></div></div></div></div></section> <section class="wp-block-aero-feature"><div class="feature-container d-flex col-12 left"><div class="feature-img col-12 col-md-6"><div class="img col-12"><picture class="optionalImage"><img class="mg-fluid" src="/sites/default/files/2023-11/LM2500%2BG4-Engine02.jpg" alt="GE Aerospace"/></picture></div></div><div class="feature-content col-12 col-md-6"><div class="content col-10"><h5 class="feature-title"></h5> <div class="wp-block-aero-add-plain-text"><div class="feature-desc">The LM2500+G4 system's modular design provides for easy and timely repair and refurbishment, with features like:</div></div> <ul class="wp-block-aero-add-list-items"><li class="feature-desc">A split compressor casing</li></ul> <ul class="wp-block-aero-add-list-items"><li class="feature-desc">In-place blade and vane replacement</li></ul> <ul class="wp-block-aero-add-list-items"><li class="feature-desc">In-place hot section maintenance</li></ul> <ul class="wp-block-aero-add-list-items"><li class="feature-desc">External fuel nozzles</li></ul> <div class="wp-block-aero-add-plain-text"><div class="feature-desc">The LM2500+G4 is ideal for the Italian, French, and Moroccan FREMM frigates and other military ships. It is also available as a generator set.<br><br>The LM2500+G4 gas turbine provides 47,370 shp, and is the most powerful and efficient member of the LM2500 family.</div></div> </div></div></div></section> <section class="wp-block-aero-aero-table"><div class="container-fluid custom-px table"><div class="row"><h3 class="title">Technical</h3></div><div class="row table-header"><div class="col-4"></div></div> <section class="row table-row"><div class="col-4">Output</div><div class="col">47,370 shp (35,320 kW)</div></section> <section class="row table-row"><div class="col-4">SFC</div><div class="col">.352 lb/shp-hr (214 g/kW-hr)</div></section> <section class="row table-row"><div class="col-4">Heat rate</div><div class="col">6,469 Btu/shp-hr<br>8,675 Btu/kWs-hr<br>9,150 kJ/kWs-hr</div></section> <section class="row table-row"><div class="col-4">Exhaust gas flow</div><div class="col">205 lb/sec (93 kg/sec)</div></section> <section class="row table-row"><div class="col-4">Exhaust gas temperature</div><div class="col">1,020°F (549°C)</div></section> <section class="row table-row"><div class="col-4">Power turbine speed</div><div class="col">3600 rpm</div></section> <section class="row table-row"><div class="col-4">Average performance, 60 Hertz, 59°F, sea level, 60% relative humidity, no inlet/exhaust losses.</div></section> </div></section> <section class="wp-block-aero-image-block" id=""><div class="img-block-section light indented"><picture class="img-parent"><source type="image/webp" srcset="/sites/default/files/2023_GE_Aero_websitemockup_LM2500G4%20copy.jpg"/><img src="/sites/default/files/2023_GE_Aero_websitemockup_LM2500G4%20copy.jpg" data-entity-type="file" data-entity-uuid="7279bc59-4565-4ac3-901a-2a2d0f19fcec" data-image-style="original" alt="image" class="image"/></picture><div class="title"></div></div></section> <div class="wp-block-aero-resource-list" id=""><section class="ge-resource-list "><div class="ge-resource-list-title row"><h2 class="col-md-8 col-lg-4 col-xl-4 col-xxl-10">Resources</h2></div><div class="ge-resource-list-items row"> <div class="wp-block-aero-resource-list-item col-md-4"><div class="ge-resource-list-items-item"><div class="info col-9 col-md-12 col-lg-11 col-xl-10 col-xxl-9">Download Data Sheet</div><div><a class="ge-txt-btn text-button-light download-link svg-icon-download" href="/sites/default/files/2023-11/datasheet-lm2500plusg4.pdf" title="Download pdf " aria-label="Download pdf " target="_blank" rel="noopener"><span>Download pdf </span><span>(569.8 kb)</span></a></div></div></div> <div class="wp-block-aero-resource-list-item col-md-4"><div class="ge-resource-list-items-item"><div class="info col-9 col-md-12 col-lg-11 col-xl-10 col-xxl-9">FREMM-GE Case History</div><div><a class="ge-txt-btn text-button-light download-link svg-icon-download" href="/sites/default/files/2023-11/lm2500plusg4-fremm-case-history.pdf" title="Download pdf " aria-label="Download pdf " target="_blank" rel="noopener"><span>Download pdf </span><span>(258.8 kb)</span></a></div></div></div> <div class="wp-block-aero-resource-list-item col-md-4"><div class="ge-resource-list-items-item"><div class="info col-9 col-md-12 col-lg-11 col-xl-10 col-xxl-9">PPA-GE Case History</div><div><a class="ge-txt-btn text-button-light download-link svg-icon-download" href="/sites/default/files/lm2500plusg4-ppa-case-study.pdf" title="Download pdf " aria-label="Download pdf " target="_blank" rel="noopener"><span>Download pdf </span><span>(258.8 kb)</span></a></div></div></div> <div class="wp-block-aero-resource-list-item col-md-4"><div class="ge-resource-list-items-item"><div class="info col-9 col-md-12 col-lg-11 col-xl-10 col-xxl-9">Experience List</div><div><a class="ge-txt-btn text-button-light download-link svg-icon-download" href="/sites/default/files/2023-11/ge-experience.pdf" title="Download pdf " aria-label="Download pdf " target="_blank" rel="noopener"><span>Download pdf </span><span>(2.2 mb)</span></a></div></div></div> <div class="wp-block-aero-resource-list-item col-md-4"><div class="ge-resource-list-items-item"><div class="info col-9 col-md-12 col-lg-11 col-xl-10 col-xxl-9">GE Marine Gas Turbines for Frigates</div><div><a class="ge-txt-btn text-button-light download-link svg-icon-download" href="/sites/default/files/2023-11/ge-marine-gas-turbines-for-frigates-2018-march.pdf" title="Download pdf " aria-label="Download pdf " target="_blank" rel="noopener"><span>Download pdf </span><span>(1.1 mb)</span></a></div></div></div> <div class="wp-block-aero-resource-list-item col-md-4"><div class="ge-resource-list-items-item"><div class="info col-9 col-md-12 col-lg-11 col-xl-10 col-xxl-9">Split Case Design for Gas Turbine Repair</div><div><a class="ge-txt-btn text-button-light download-link svg-icon-download" href="/sites/default/files/2023-11/split-case-repair-for-marine-gas-turbines.pdf" title="Download pdf " aria-label="Download pdf " target="_blank" rel="noopener"><span>Download pdf </span><span>(4.2 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