but can be modified for highway use with some scratchbuilding

There is 6" clearance from the top of the rails to the top crossbar and it is 5-1/4" wide

The Trainz SKU for this item is P11518238

Features Diecast metal sprung trucks and operating couplers Opening doors with metal door guides Traditional O Gauge Dimensions: Length: 11 1/2 RailLine: Great Northern Minimum Curve: O-27

The coal is then reloaded on the lower level by a conveyor from the lower bin

Walthers 910-7194 59' Cldrcl Hp SKNX#397476 ProductID_11539214 but can be modified forWalthers 910 7194 59' Cldrcl Hp SKNX#397476 Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Walthers Model Number: 910 7194 Road Name: Saskatchewan Grain (SKNX) MSRP: $29. 98 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P12270106. Trainz Product Id: 12270106