Roundhouse 70803 HO Scale 34' Composite Open Hopper Baltimore & Ohio B&O 3 Pack Era_2021 + and body-mounted E-Z Mate® Mark

and body-mounted E-Z Mate® Mark II couplers

Requires three AAA alkaline batteries (not included)

resulting in a high-performance blend of premium silicone that provides more consistent differential action as well as longevity

a full line of replacement/spare parts is readily available

Designed from the ground up for maximum grip on the toughest terrain

Roundhouse 70803 HO Scale 34' Composite Open Hopper Baltimore & Ohio B&O 3 Pack Era_2021 + and body-mounted E-Z Mate® MarkRoundhouse 70803 HO Scale 34' Composite Open Hopper Baltimore & Ohio B&O 3 Pack The development of the hopper car went along with the development of automated handling of such commodities, with automated loading and unloading facilities. Open hopper cars are used for commodities such as coal, which can suffer exposure with less detrimental effect. Hopper cars have been used by railways worldwide whenever automated cargo handling has been desired. The