HO Diesel Locomotives

HO diesel locomotives are the backbone of many model railroads, representing everything from the first-generation diesels of the 1940s and 1950s to today's high-horsepower freight locomotives. Whether you're modeling a local short line, a busy classification yard, or a modern Class I railroad, HO scale offers one of the largest selections of diesel power available.

Trainz regularly offers HO diesel locomotives for sale in new, pre-owned, vintage, estate, discontinued, and hard-to-find condition. Our inventory changes daily, making it easy to discover road-specific paint schemes, retired production runs, and the locomotives needed to complete or expand your diesel roster.

HO diesel locomotives are available in nearly every prototype used across North American railroads, allowing modelers to recreate realistic freight, passenger, yard, and industrial operations.

• EMD F Units and streamlined cab units
• EMD GP and SD series road switchers
• GE U-Boats, Dash Series, AC4400CW, ES44AC, and ES44DC locomotives
• ALCO RS road switchers and Century Series locomotives
• Baldwin and Fairbanks-Morse diesel locomotives
• Yard switchers and industrial locomotives
• DCC-ready, DCC-equipped, and sound-equipped locomotives
• Limited-production, discontinued, and collector-focused releases

Whether you're assembling a transition-era freight train or a modern intermodal consist, selecting the right locomotive type helps create a more authentic operating fleet.

One of the biggest advantages of HO diesel locomotives is the variety of eras they represent. Transition-era layouts often feature colorful first-generation diesels replacing steam, while contemporary layouts showcase powerful six-axle freight locomotives hauling long trains across today's railroad network.

Collectors and operators can choose locomotives decorated for Union Pacific, BNSF, Norfolk Southern, CSX, Santa Fe, Southern Pacific, Conrail, Chessie System, Canadian National, Canadian Pacific, and many other railroads, making it easy to build a fleet around a favorite railroad or time period.

Many HO diesel locomotives are available with DCC-ready frames, factory-installed DCC decoders, synchronized diesel sound, LED lighting, operating ditch lights, and other prototype-inspired features. These options allow model railroaders to customize how their locomotives operate while adding realism to every session.

Whether you prefer conventional DC operation or Digital Command Control, you'll find HO diesel locomotives designed for beginners, operators, and serious collectors alike.

Whether you're downsizing a collection or helping liquidate an estate, Trainz has been purchasing model train collections for decades. If you're considering selling your HO diesel locomotives as part of a collection, learn more about our model train buying process.

What types of HO diesel locomotives are available?

Inventory may include switchers, road switchers, cab units, passenger locomotives, freight locomotives, first-generation diesels, and modern six-axle road power representing many North American railroads.

Do you sell pre-owned HO diesel locomotives?

Yes. Trainz regularly offers pre-owned, estate, vintage, discontinued, and hard-to-find HO diesel locomotives alongside current-production models.

Do HO diesel locomotives come with DCC and sound?

Yes. Depending on availability, this category includes DCC-ready, DCC-equipped, and factory sound-equipped HO diesel locomotives from many popular manufacturers.

Can I shop by railroad paint scheme?

Yes. HO diesel locomotives are available in a wide variety of railroad paint schemes representing both historic and modern North American railroads.

Do you carry discontinued HO diesel locomotives?

Yes. Our constantly changing inventory frequently includes retired road names, limited editions, discontinued production runs, and other difficult-to-find HO diesel locomotives acquired through collections.

What is the difference between a switcher and a road locomotive?

Switchers are designed for yard and industrial work, while road locomotives are built to haul freight and passenger trains over longer distances. Many model railroaders use both types to create realistic railroad operations.