Here is a Trix 22594 HO Scale Union Pacific Big Boy 4-8-8-4 Steam Locomotive #4013.
Features:
RP 25 wheel flanges
Kadee coupler #18
DCC connector for locomotive decoder installation
Diecast metal locomotive frame, boiler, tender body and tender frame, weight over 2lbs. 10 ozs.
The largest HO steam locomotive ever built by TRIX; scale length 18-5/16″
High-efficiency can motor with bell-shaped armature and flywheel in the boiler
All driving axles powered
LED headlight, number board lights, tender backup light
Tender ready for installation of sound effects system
Factory-ready for installation of two Seuthe #11 (Mrklin #0901) smoke generators

This item has been graded per TCA standards C-7: Excellent based on visual appearance. The wheels show average run-time. There are light nicks and scratches on the surface of this item. The item has two broken trim pieces. The instruction manual is included. The previous owner has placed stickers on this item’s packaging. 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: Functional
Original Box: Yes (P-6)

Manufacturer: Trix
Model Number: 22594
Road Name: Union Pacific (UP)

Scale/Era: HO Scale
Model Type: Steam Loco

The SKU for this item is 5992769.

Product Id: 12776837