Athearn Genesis G82827 HO Scale EMD GP9 Southern Pacific SP Phase III 3882 DCC Sound Wheels/Tires - Drag Left and right chassis frame

Left and right chassis frame plates

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Works In Place of - #806 O Scale Short Centerset Shank Couplers

Metal Wheels & Axles

In order to cope with various harsh environments

Athearn Genesis G82827 HO Scale EMD GP9 Southern Pacific SP Phase III 3882 DCC Sound Wheels/Tires - Drag Left and right chassis frameAthearn Genesis G82827 HO Scale EMD GP9 Southern Pacific SP Phase III 3882 DCC Sound In 1949, EMD introduced the GP7. The basic design followed most diesel switchers with the addition of a short hood instead of an end cab. The hoods were also full height to better accommodate the diesel engine and mechanical and electrical components. In 1954 EMD upgraded the GP7 to become the 1,750 horsepower GP9. Externally, the first GP9s were virtually unchanged