Used to move coal and other bulk loads all over the continent, prototypes for the WalthersMainline 50' 100-Ton 4-Bay Hopper were in service from the mid-1960s to mid 2000s. Each model is highly detailed and ready for service on your HO railroad with a die-cast metal underframe, sloped sheet braces, updated brake gear, correct 36" RP-25 turned metal wheelsets and Proto MAX(TM) metal knuckle couplers.