{"product_id":"athg-1979","title":"Athearn Genesis HO Scale Santa Fe ATSF #3621 EMD GP39-2 Phase I Diesel Locomotive - DCC\/Sound – ATHG-1979","description":"\u003ch1\u003eAthearn Genesis HO Scale Santa Fe ATSF #3621 EMD GP39-2 DCC\/Sound Locomotive\u003c\/h1\u003e\n\n\u003cp\u003eRecreate classic Atchison, Topeka and Santa Fe Railway operations with the \u003cstrong\u003eAthearn Genesis HO Scale ATSF #3621 EMD GP39-2 diesel locomotive\u003c\/strong\u003e. Equipped with factory-installed SoundTraxx Tsunami2 DCC\/Sound, this premium Genesis model combines realistic diesel audio, dependable operating performance, and the distinctive appearance of an early Phase I Santa Fe road switcher.\u003c\/p\u003e\n\n\u003cp\u003eWith its rear-mounted fuel tank, large front anticlimber, Leslie 3-chime horn, and Stratolite cab beacon, ATSF #3621 is ideal for model railroaders building an authentic Santa Fe locomotive fleet. Browse additional \u003ca href=\"\/collections\/ho-scale-locomotives\"\u003eHO scale locomotives\u003c\/a\u003e to complete your railroad roster.\u003c\/p\u003e\n\n\u003ch2\u003eThe Santa Fe Railway's EMD GP39-2 Locomotives\u003c\/h2\u003e\n\n\u003cp\u003eElectro-Motive Division manufactured the GP39-2 between 1974 and 1984 as a fuel-efficient, four-axle diesel-electric road switcher. Powered by a turbocharged 12-cylinder EMD 645E3 prime mover producing 2,300 horsepower, the locomotive provided an alternative to larger 16-cylinder road diesels.\u003c\/p\u003e\n\n\u003cp\u003eSanta Fe purchased substantial numbers of GP39-2 locomotives for freight service. Although initially used on faster freight assignments, these versatile units became familiar sights on local trains, industrial branches, and road-switching duties.\u003c\/p\u003e\n\n\u003cp\u003eAthearn Genesis models ATSF #3621 in its early Phase I configuration, reproducing the railroad's distinctive fuel tank placement, walkway steps, front anticlimber, and other identifying details.\u003c\/p\u003e\n\n\u003ch2\u003eSanta Fe ATSF #3621 Road-Specific Details\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eAuthentic Santa Fe Railway paint scheme and lettering\u003c\/li\u003e\n\u003cli\u003eEarly Phase I GP39-2 locomotive body\u003c\/li\u003e\n\u003cli\u003eRear-mounted fuel tank\u003c\/li\u003e\n\u003cli\u003eLarge front anticlimber\u003c\/li\u003e\n\u003cli\u003eStratolite cab beacon with supported DCC lighting effect\u003c\/li\u003e\n\u003cli\u003eSwitcher-style walkway steps\u003c\/li\u003e\n\u003cli\u003eLeslie 3-chime locomotive horn\u003c\/li\u003e\n\u003cli\u003eSmall EMD front plow\u003c\/li\u003e\n\u003cli\u003eIlluminated number boards\u003c\/li\u003e\n\u003cli\u003eDetailed Blomberg trucks and underbody equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSoundTraxx Tsunami2 DCC\/Sound and Dual Speakers\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eAthearn Genesis Santa Fe GP39-2 #3621\u003c\/strong\u003e includes a factory-installed SoundTraxx Tsunami2 sound decoder and dual cube speakers, providing realistic diesel locomotive audio without requiring an aftermarket decoder installation.\u003c\/p\u003e\n\n\u003cp\u003eThe locomotive operates on both conventional DC and DCC layouts. Engine, horn, and bell sounds are available during DC operation, while a compatible DCC system provides access to the full range of digital functions.\u003c\/p\u003e\n\n\u003cp\u003eWith DCC operation, model railroaders can adjust locomotive settings through Configuration Values, use precision slow-speed control, program multiple-unit consists, and access supported lighting effects.\u003c\/p\u003e\n\n\u003cp\u003eExplore more \u003ca href=\"\/collections\/ho-diesel-locomotives\"\u003eHO scale diesel locomotives\u003c\/a\u003e to assemble realistic locomotive consists and freight operations.\u003c\/p\u003e\n\n\u003ch2\u003eGenesis Mechanical Performance and Detailed Construction\u003c\/h2\u003e\n\n\u003cp\u003eThe Athearn Genesis GP39-2 features a five-pole skew-wound motor, precision-machined flywheels, and a multi-link drivetrain engineered for smooth locomotive performance.\u003c\/p\u003e\n\n\u003cp\u003eAll-wheel drive and electrical pickup help maintain consistent operation, while a heavy die-cast frame provides traction for pulling freight trains. RP25 wheel contours and body-mounted McHenry knuckle couplers offer compatibility with popular HO scale railroad equipment.\u003c\/p\u003e\n\n\u003cp\u003eExterior details include factory-installed grab irons, windshield wipers, lift rings, fine-scale handrails, etched metal fan grilles, a detailed cab interior, and realistic fuel tank components.\u003c\/p\u003e\n\n\u003cp\u003eLED lighting and illuminated number boards add to the locomotive's appearance, while the minimum recommended operating radius of 18 inches makes it suitable for many HO scale layouts.\u003c\/p\u003e\n\n\u003ch2\u003ePerfect for Classic Santa Fe Freight and Road-Switching Service\u003c\/h2\u003e\n\n\u003cp\u003eSanta Fe's GP39-2 fleet was used in a variety of freight assignments, making ATSF #3621 a versatile locomotive for HO scale operations. Model railroaders can use it to represent local freight trains, industrial switching, road-switching duties, or multiple-unit consists with other Santa Fe locomotives.\u003c\/p\u003e\n\n\u003cp\u003eIts original Phase I appearance makes it especially suitable for layouts set during the late 1970s, 1980s, and early 1990s, before many Santa Fe locomotives underwent later rebuilding programs.\u003c\/p\u003e\n\n\u003cp\u003eDiscover additional road numbers and railroad paint schemes in our \u003ca href=\"\/collections\/athearn-genesis-ho-scale-emd-gp39-2-locomotives\"\u003eAthearn Genesis HO Scale EMD GP39-2 locomotives collection\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eAthearn Genesis GP39-2 ATSF #3621 Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Athearn Genesis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e ATHG-1979\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale:\u003c\/strong\u003e HO (1:87)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocomotive Model:\u003c\/strong\u003e EMD GP39-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRailroad:\u003c\/strong\u003e Santa Fe Railway\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReporting Mark:\u003c\/strong\u003e ATSF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoad Number:\u003c\/strong\u003e 3621\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Early Phase I\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorn:\u003c\/strong\u003e Leslie 3-Chime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e DC \/ DCC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Decoder:\u003c\/strong\u003e SoundTraxx Tsunami2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound:\u003c\/strong\u003e Factory Equipped\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeakers:\u003c\/strong\u003e Dual Cube Speakers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighting:\u003c\/strong\u003e LED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Arrangement:\u003c\/strong\u003e B-B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Radius:\u003c\/strong\u003e 18 Inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eShop Athearn Genesis HO Scale GP39-2 Locomotives at Train Supply\u003c\/h2\u003e\n\n\u003cp\u003eBring the sights and sounds of Santa Fe diesel operations to your model railroad with the Athearn Genesis EMD GP39-2 ATSF #3621. Explore our complete selection of \u003ca href=\"\/collections\/ho-scale\"\u003eHO scale model trains\u003c\/a\u003e, diesel locomotives, freight cars, and model railroad accessories at Train Supply.\u003c\/p\u003e","brand":"Athearn Genesis","offers":[{"title":"Default Title","offer_id":60747393466654,"sku":"ATHG-1979","price":299.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/6789\/3534\/files\/ATHG-1979_A0_0HMP7B9W.jpg?v=1793298188","url":"https:\/\/trainsupply.com\/products\/athg-1979","provider":"Train Supply","version":"1.0","type":"link"}