Athearn Genesis G82825 HO Scale EMD GP9 Southern Pacific SP Phase II 3380 DCC Sound Body - MT Allows fully adjustable prop angle

Allows fully adjustable prop angle of attack for optimization of acceleration

and also supports upgrading the hardware program through a USB port or SD card

limited travel oil filled front and rear shocks

Prototypes in general freight service from late 1950s to 1980s and beyond

Athearn Genesis G82825 HO Scale EMD GP9 Southern Pacific SP Phase II 3380 DCC Sound Body - MT Allows fully adjustable prop angleAthearn Genesis G82825 HO Scale EMD GP9 Southern Pacific SP Phase II 3380 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