Athearn Genesis G82257 HO Scale EMD GP7 Pennsylvania PRR 8587 UniTrack - Signal and voltage Telemetry System*

and voltage Telemetry System*

with color variants throughout the war

​ DGF2: Digital Glitch Filtering V2

Aristo Craft 46601 G Gauge Wood Reefer Railway Express Agency

Eight pieces of O36 curved FasTrack®

Athearn Genesis G82257 HO Scale EMD GP7 Pennsylvania PRR 8587 UniTrack - Signal and voltage Telemetry System*Athearn Genesis G82257 HO Scale EMD GP7 Pennsylvania PRR 8587 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 GP7s.