Athearn RTR 1576 HO Scale 40' 4-Bay Offset Hopper W/Load Canadian National CN 4-Pack #1 Wheelie Bar - Parts 2 Engine Blocks

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Athearn RTR 1576 HO Scale 40' 4-Bay Offset Hopper W/Load Canadian National CN 4-Pack #1 Wheelie Bar - Parts 2 Engine BlocksAthearn RTR 1576 HO Scale 40' 4 Bay Offset Hopper W Load Canadian National CN 4 Pack #1 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