Walthers Proto 920-49519 HO Scale EMD FP7 Diesel Pennsylvania PRR 9870A Production 2" Slash wheels

2" Slash wheels

The largest of them are known as “off-highway trucks” which cannot be driven on public roads

14 sec/60° @ 6

high-speed

one 10" straight FasTrack®

Walthers Proto 920-49519 HO Scale EMD FP7 Diesel Pennsylvania PRR 9870A Production 2" Slash wheelsWalthers Proto 920 49519 HO Scale EMD FP7 Diesel Pennsylvania PRR 9870A Providing enough steam to power train heat and some air conditioning systems on postwar trains taxed the standard water supply of EMD F units set up for passenger service, prompting EMD to rollout the new FP7 in 1949. Though outwardly similar, FP7s were actually four feet longer to accommodate bigger water tanks with a capacity of 950 US gallons. Standard passenger power into the