Union Pacific (UP)

Few road names offer the variety found in Union Pacific. Whether you collect massive steam locomotives, first-generation diesels, modern GE power, streamlined passenger trains, or long freight consists, there's a Union Pacific model that fits almost every era of railroading.

It's the kind of railroad many collectors return to again and again because there's always another locomotive, freight car, or passenger train worth adding to the roster.

Union Pacific collectors often search for Big Boy model trains, Big Boy No. 4014, Challenger steam locomotives, Heritage Fleet locomotives, Heritage Units, SD70ACes, gas turbine locomotives, passenger cars, cabooses, and classic freight equipment. These releases continue to be among the most popular in the hobby.

Whether you're building a steam-era layout or recreating today's western mainlines, Union Pacific offers one of the widest selections of locomotives and rolling stock available.

Union Pacific models have been produced by Lionel, Atlas, Athearn, Bachmann, Broadway Limited, Walthers, ScaleTrains, InterMountain, Rapido, Kato, and many other manufacturers. Available releases include steam locomotives, diesel locomotives, freight cars, passenger cars, cabooses, maintenance equipment, and complete train sets.

If you're searching for Union Pacific model trains for sale, you'll regularly find new arrivals, pre-owned models, vintage releases, retired locomotives, estate finds, and hard-to-find collectibles in our inventory.

Whether you're downsizing a lifetime collection or selling a single Big Boy, Trainz purchases qualifying Union Pacific collections ranging from individual locomotives to complete estates filled with freight cars, passenger equipment, and accessories.

Learn how to sell your model train collection to Trainz.

What are the most collectible Union Pacific model trains?

Collectors frequently search for Big Boy model trains, Big Boy 4014, Challenger locomotives, Heritage Fleet locomotives, Heritage Units, SD70ACes, gas turbines, passenger cars, cabooses, and freight cars.

Who makes Union Pacific model trains?

Manufacturers including Lionel, Atlas, Athearn, Bachmann, Broadway Limited, Walthers, ScaleTrains, InterMountain, Rapido, and Kato have produced Union Pacific models in multiple scales.

Is Union Pacific still operating today?

Yes. Union Pacific remains one of North America's largest freight railroads and continues to operate across much of the western United States.

Why is Big Boy No. 4014 so popular?

Big Boy No. 4014 is the world's largest operating steam locomotive, making it one of the most sought-after prototypes for collectors and model railroaders alike.