Walthers Proto 920-49555 HO Scale FP7/F7B SOO Line 2501A/2501C DC Era_2010s+ were designed by Ray Patten

were designed by Ray Patten

Road Number: 2108

Modular chassis with interlocking bulkheads

or of snow

Walthers Proto 920-49555 HO Scale FP7/F7B SOO Line 2501A/2501C DC Era_2010s+ were designed by Ray PattenWalthers Proto 920 49555 HO Scale FP7 F7B SOO Line 2501A 2501C DC Providing enough steam to power train heat and some air conditioning systems on postwar trains taxed the standard water supply of EMD F7 A units set up for passenger service, prompting EMD to roll out the new FP7 in 1949. Though outwardly similar to the F7A, FP7s were actually four feet longer to accommodate bigger water tanks with a capacity of 950 US gallons. Standard passenger power