Prototype: General Motors EMD F7 diesel electric locomotive in the colors of the Atchison, Topeka & Santa Fe Railway (AT & SF).
Model: Unpowered model to complement the 54307 powered locomotive. Number boards are lighted. Couplers at both ends. Engineer's cab with interior details. Different road number from that for 54307. Minimum radius for operation is 600 mm / 23-5/8*. Length 48.0 cm / 18-7/8*.