This is a Marklin 60979 HO Scale mSD3 SoundDecoder for Start Up Electric Locomotives

* Separately applied underframe details

Both units:

Trainz Product Id: 11986358

Model Number: 788

MTH 70-2038-3 Southern Pacific G Scale Alco PA B-Unit Non-Powered Diesel Part Category_Fuel Delivery This is a Marklin 60979The main features of this item are Metal Chassis, Spinning Roof Fans, Metal Body Side Grilles, Intricately Detailed Polycarbonate Body, Metal Wheels and Axles, (2) Couplers, Detailed Truck Sides and Fuel Tank, Unit Measures: 24 5 16 x 5 5 8 x 3 7 8, Operates On R3 Curves Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: MTH Model Number: 70 2038 3 Road Name: Southern Pacific (SP) MSRP: $199. 95 Scale