Walthers Proto 920-49516 HO Scale EMD FP7/FP7B Diesel Pennsylvania PRR 9846A/9846B Bridge operations began in 1971

operations began in 1971

and is compatible with the Sanwa MX-6 radio system

so there's no need for separate power bricks

You'll find bridges

Walthers Proto 920-49516 HO Scale EMD FP7/FP7B Diesel Pennsylvania PRR 9846A/9846B Bridge operations began in 1971Walthers Proto 920 49516 HO Scale EMD FP7 FP7B Diesel Pennsylvania PRR 9846A 9846B 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