Here is a MTH 20-2138-1 O Gauge Union Pacific Baldwin AS-616 Diesel Engine w/PS1#1263.

Features:
2 Precision Flywheel Equipped Motors
1/4" Scale Detail & Dimensions
All-Metal Wheels & Gears
Compatible With Most AC Transformers
DCRU Electronic Reverse By QSI
Die-Cast 6-Wheel Trucks
Weighs Almost 5 Pounds
Intricately Detailed ABS Body
Directional Constant Voltage Headlights
Measures Approximately 14 7/8" x 2 5/8" x 3 3/4"
Available in Three Cab Numbers
Die-Cast Trucksides, Pilot & Fuel Tank
Lighted Cab Interior
Cab Engineer Figure
Operating Die-Cast Metal Couplers
Stamped Metal Floor
Ooperates On O-31 Track
Equipped With Electronic Horn or ProtoSound System

This item has been graded per TCA standards C-7: Excellent based on visual appearance. There are light nicks and scratches on the surface of the shell and chassis. The overall appearance of this item may be improved with a gentle and thorough cleaning. This locomotive does not include DCS (Digital Command System) features because it has ProtoSound 1.0. Only locomotives with ProtoSound 2.0 and ProtoSound 3.0 include DCS functions. The instruction manual is not included. The original box is included. Please check the photos for a detailed look at this item. Overall condition is Excellent.

Condition: Excellent (C-7)
Operational Status: As is
Original Box: Yes (P-7)

Manufacturer: MTH
Model Number: 20-2138-1
Road Name: Union Pacific (UP)

Scale/Era: O Modern
Model Type: Diesel Loco


The Trainz SKU for this item is 6315016.

Trainz Product Id: 12713652