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Athearn (ATH)
SKU:ATH73055
HO SD40T-2 Locomotive Potash/WRIX #35021 (ATH73055)
HO SD40T-2 Locomotive Potash/WRIX #35021 (ATH73055)
An HO-scale SD40T-2 locomotive in Potash/WRIX livery, road number 35021, recreates a classic tunnel-motor for HO layouts. It features a cab air conditioner, operating front and rear ditch lights, and large snowplows, along with period details like a former SP nose with a UDE light and cab gyralight, plus a whip antenna on the ground pane. Designed for ready-to-run operation on standard 22" radius curves, it delivers authentic looks and dependable performance on real-world layouts.
Under the hood, the model offers a robust drive with a five-pole motor, flywheels, and all-wheel drive for smooth, quiet running, complemented by RP25-contoured wheels and a finely detailed injection-molded body. It’s DCC-ready with a 21-pin NEM Quick Plug, and sound-equipped variants feature a SoundTraxx Tsunami2 decoder delivering engine, horn, and bell sounds with full DCC functionality. Painted and decorated to Potash/WRIX specifications, the locomotive includes fine-scale handrails, see-through radiator grilles, separately applied air tanks, McHenry scale knuckle couplers, and other period-correct details that enhance realism for display or operation.
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Parts List
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Product Manual

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Vendor:VendorRegular price $179.99Regular priceUnit price / perSale price $179.99 -
Example product title
Vendor:VendorRegular price $179.99Regular priceUnit price / perSale price $179.99 -
Example product title
Vendor:VendorRegular price $179.99Regular priceUnit price / perSale price $179.99 -
Example product title
Vendor:VendorRegular price $179.99Regular priceUnit price / perSale price $179.99
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