Prototype: Atchison, Topeka & Santa Fe Railway as triple unit motive power consisting of an A-B-A combination. General Motors EMD F 7 in the unmistakable yellow "Warbonnet Design".
Model: Both A units have a 5-pole motor powering both trucks in each unit. The B unit is unpowered. The number boards are lighted. The front and rear regular Z coupler on the A units can be replaced with pilot skirting pieces that come with the locomotive. All 3 locomotive units are permanently coupled to each other with drawbars. Total length 227 mm / 8-15/16".