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Athearn Genesis G71650 HO Scale EMD DDA40X Union Pacific UP 6943 with DCC and Sound
Walthers Proto 920-42512 HO Scale EMD FP7/F7B Diesel Amtrak Phase I AMTK 117/160 DCC Sound
The demonstrator units would barnstorm across the country to help promote the new technology
Traxxas 7462G Green Rear GTR XX Long Shocks for 4x4 Vehicles and Traxxas Mudboss
Walthers Proto 920-42402 HO Scale EMD GP7 Chessie System C&O 5741 DCC and Sound
Athearn Genesis 82374 HO Scale EMD GP9 Great Northern GN 682 DCC and Sound Era_1948 + Athearn Genesis G71650 HO ScaleAthearn Genesis G82374 HO Scale EMD GP9 Great Northern GN 682 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