the 70-Ton Hart Ballast Cars were formally known as Hart Selective Service Ballast Cars

The Trainz SKU for this item is P12032903

The Trainz SKU for this item is P12322416

The Trainz SKU for this item is P11970225

This is used to control up to 4 Marklin remote control switches

MTH 80-3160-1 Union Pacific HO 4-6-6-4 Challenger Steam Engine w/P-S 3.0 ProductID_12332783 the 70-Ton Hart Ballast CarsHere is a MTH 80 3160 1 Union Pacific 4 6 6 4 Challenger Steam Engine w Proto Sound 3. 0. Features include diecast and plastic construction, plastic trucks, one knuckle coupler, metal wheels & axles and a motor. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: MTH Model Number: 80 3160 1 Road Name: Union Pacific (UP) MSRP: $599. 95 Scale Era: HO Scale Model Type: Steam Loco The Trainz SKU for this item