Roundhouse 50021 HO Scale 34' Ribbed Hopper w/Load Penn Central PC 4-Pack #1 Tire Conditioner Four cross brace tubes

Four cross brace tubes

The Sharknose locomotives were known as excellent "luggers"

Also not compatible with KO I

Rubber-tired diesels

Roundhouse 50021 HO Scale 34' Ribbed Hopper w/Load Penn Central PC 4-Pack #1 Tire Conditioner Four cross brace tubesRoundhouse 50021 HO Scale 34' Ribbed Hopper w Load Penn Central PC 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 desired.