This included renumbering them to the MP 7500 series and in the case of 13 of the cars

Model Number: DZ-2001A

fast angle wheels

Signal/Accessory Actuator w/Internal Drivers (1)

steam heated and in dire need of upgrades

Williams 21450 O Gauge Western Maryland GP9 Powered Diesel Locomotive FitmentDiagramsIds_440 This included renumbering them toHere we have a Williams 21450 Western Maryland GP9 Powered Diesel Locomotive. This diesel locomotive features diecast metal sprung trucks, metal wheels and axles, and operating knuckle couplers, and a motor. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Williams Model Number: 21450 Road Name: Western Maryland (WM) MSRP: $249. 95 Scale Era: O Modern Model Type: Diesel Loco The Trainz SKU for this item