Athearn Genesis G82730 HO Scale EMD GP9 Chicago NorthWestern CNW 1756 DC Power Supply Front and rear all-metal gear

Front and rear all-metal gear differentials

Used with the DCC-Sound Ready underframe only

Etched Metal Panels

transition and diesel era layouts

Athearn Genesis G82730 HO Scale EMD GP9 Chicago NorthWestern CNW 1756 DC Power Supply Front and rear all-metal gearAthearn Genesis G82730 HO Scale EMD GP9 Chicago NorthWestern CNW 1756 DC 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 from the last