Platform: 5/8 x 1/2 1

and the craze for 6

These engines engage and disengage as more or less horsepower is required

Here is an MTH 20-98724 Alaska Operating Dump Car with Pipe Load

Accurail 9219 HO Burlington 89' Bi-Level Open Auto Rack Kit ProductID_12109168 Platform: 5/8 x 1/2 1This is an Accurail 9219 89' Bi Level Open Auto Rack Kit, Burlington Route Trailer Trains # 800157 Kit. The easy to build kit includes a detailed body and working knuckle couplers. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Accurail Model Number: 9219 Road Name: Chicago Burlington & Quincy (CBQ) MSRP: $22. 98 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P11998241.