HO Scale AC Steam Locomotives


Union Pacific Big Boy (# 4014) (Special Weathered Edition)

Sorry, this product is sold out and no longer available from the manufacturer.

This item contains an MFX decoder

Prototype: Union Pacific Railroad (UP) class 4000 "Big Boy" heavy freight locomotive. Version with the road number 4014, cooling pipes, and authentic weathering. The locomotive looks as it did around 1948.

Model: The locomotive has an mfx digital decoder and a sound generator. It also has controlled high-efficiency propulsion. 8 axles powered. Traction tires. The locomotive has an articulated frame enabling it to negotiate sharp curves. It also has Boxpok driving wheels. The middle driving axles are spring-loaded. The headlight, backup light on the tender, and the number board lights are maintenance-free, warm white LEDs. 2 smoke generators (7226) can be installed in the locomotive; the contacts for them are on constantly. The headlight, backup light on the tender, the number board lights, and the engineer''s cab lighting will work in conventional operation and can be controlled digitally. There is a powerful speaker in the tender and the volume can be adjusted. Coupler hooks can be inserted in the pilot on the front of the locomotive. There is a close coupling between the locomotive and tender. Steam lines are mounted to swing out and back with the cylinders. The locomotive has separately applied metal grab irons. There are many separately applied details. Figures of a locomotive engineer and fireman for the engineer''s cab are included. Length over the couplers 46.5 cm / 18-5/16". The locomotive comes in a wooden case.

Sx Mobile
DCC Mobile
Station 2
Headlight(s) ·   ·   · ·
Smoke generator contact ·   ·   · ·
Steam locomotive op. sounds ·   ·   · ·
Locomotive whistle ·   ·   · ·
Direct control ·   ·   · ·
Engineer�s cab lighting     ·   · ·
Bell     ·   · ·
Warning Sound     ·   · ·
Sound of squealing brakes off     ·   · ·
Air Pump         · ·
Injectors         · ·
Auxiliary Blower         · ·
Sound of Couplers Engaging         · ·
Rail Joints         · ·
Operating Sounds 2         · ·
Cab Radio         · ·


  • Authentic weathering included.

One-time series.

Dimensions: 46.5 cm / 18-5/16
We fully test & inspect every locomotive before it ships to you.
2013 Summer New Item
AC Steam Locomotives
Era III (1945-1970)
US Railways (Railways in the USA)
No longer available from the manufacturer
our product code
Winter in Germany