GP7L Diesel Locomotive in USAX livery, HO scale. This Athearn model delivers a faithful, highly detailed rendering of the GP7 family, sized for standard HO layouts and ready to pull a realistic freight roster or perform switching on a hobby railroad.

Prototype-accurate details include AAR Type A switcher trucks and an 800-gallon fuel tank for the USAX version, plus a non-dynamic brake hatch, two exhaust stacks with spark arrestors, and a firecracker antenna. The model is DCC-ready with Quick Plug plug-and-play using a 21-pin NM connector, features see-through cab windows, fine-scale handrails, etched radiator and fan grilles, and a heavy die-cast frame for reliable traction. It runs on RP25 wheels and is designed for 18-inch minimum-radius curves, delivering smooth, quiet operation and authentic appearance on layouts that faithfully reproduce mid-century diesel service.