Walthers Proto 920-42554 HO Scale FP7/F7B SOO Line 501A/501C DCC/Sound Hoss Era: 1966 to 1990s

Era: 1966 to 1990s

and InterMountain

profile and tread patterns designed and specified by HPI Racing

9" Predator Tire mounted to Impulse Black/Silver Wheels

Walthers Proto 920-42554 HO Scale FP7/F7B SOO Line 501A/501C DCC/Sound Hoss Era: 1966 to 1990sWalthers Proto 920 42554 HO Scale FP7 F7B SOO Line 501A 501C DCC Sound Great for railroads that preferred four axle diesels for their passenger runs, prototypes for the WalthersProto EMD FP7 came equipped with more boiler water capacity on their stretched chassis. Providing enough steam to power train heat and some air conditioning systems on postwar trains taxed the standard water supply of standard EMD F7 A units set up for passenger service,