Athearn Genesis G88287 HO Scale EMD GP9 Conrail CR 7105 DCC and Sound FasTrack - Uncoupler You can control switches from

You can control switches from your cabs and your control panels

All-wheel electrical pick-up

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Athearn Genesis G88287 HO Scale EMD GP9 Conrail CR 7105 DCC and Sound FasTrack - Uncoupler You can control switches fromAthearn Genesis G88287 HO Scale EMD GP9 Conrail CR 7105 DCC and 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 from the last