HO SD40T-2 with DCC & Sound Southern Pacific/ Speed Letter #8237 RF-16 F60-15 and L60-15 tires

F60-15 and L60-15 tires

Mars Light where appropriate

Model: Z2 750RS

Atchison Topeka and Santa Fe railroad requested a 4300 horsepower version resulting in the SD75M

HO SD40T-2 with DCC & Sound Southern Pacific/ Speed Letter #8237 RF-16 F60-15 and L60-15 tiresPROTOTYPE SPECIFIC INFORMATION The SD40T 2 is a 6 axle diesel electric locomotive built by General Motors Electro Motive Division having a 16 cylinder EMD 645E3 diesel engine producing 3,000 horsepower (2,240 kW). 312 SD40T 2s were built for North American railroads between April 1974 and July 1980. This locomotive and the SD45T 2 are popularly called tunnel motors, but EMDs term is SD40 2s with cooling system modifications because they were designed