Perfect for moving bulk loads of all kinds that don't require protection from the weather, the WalthersMainline 34' 100-Ton Two-Bay Hopper is a versatile addition to HO operations! Entering service in the 1970s, they're used to haul ballast, sand, gravel and ore. Fully assembled and ready for service, each features separate, factory-applied door and brake details, a heavy die-cast metal underframe, correct 36" turned metal wheelsets and Proto MAX(TM) metal knuckle couplers.