Select your Engine/Transmission

Reset Filters
SPEAK WITH A SPECIALIST NOW
307-218-7900
Get multiple options to purchase from, Quotes in 2 Minutes

Find Your Engine Or Transmission

Free shipping across Unites states
Warranty Up to 3 years/Unlimited Mileage
OEM Guaranteed Parts
Comprehensive warranty coverage and expert after-sales service

About Our Used Transmissions

Complete Used Transmission - Full View

Best Price Guarantee

We will match or beat any competitor's pricing

Looking for a reliable used transmission replacement? We offer affordable pricing on quality-tested automatic and manual transmissions for all makes and models.

Our customer service team is ready to help you find the right transmission. Use our online lookup system to search by year, make, model, and engine size.

We provide fast flat-rate shipping nationwide with no core charge required. All transmissions include our industry-leading up to 3-year unlimited mile warranty for complete peace of mind.

Before any transmission leaves our facility, it undergoes our comprehensive quality control process.Our certified technicians perform pressure testing to verify internal seal integrity, inspect all clutch packs and bands for wear, test valve body operation and solenoid function, examine the torque converter for proper lockup, check all external seals and gaskets for leaks, and verify correct fluid levels and condition.We also run diagnostic scans on electronic transmissions to ensure the TCM(transmission control module) communicates properly with your vehicle's computer system, guaranteeing seamless installation and reliable performance.

Heavy Duty Truck Transmissions - Allison, ZF & TorqShift Specialists

Heavy Duty Truck Transmission

Premium Heavy-Duty Automatic Transmissions for commercial trucks and work vehicles. We specialize in used transmissions for Ford F-250, F-350, F-450 Super Duty, Chevy Silverado 2500HD/3500HD, GMC Sierra HD, RAM 2500/3500, and Toyota Tundra heavy-duty trucks.

Our inventory includes Allison 1000, 2000, and 3000 series transmissions - the gold standard for diesel and gas heavy-duty applications. We also stock ZF 8-speed automatics, Ford TorqShift 6R140 and 10R140, GM 6L90 paired with Allison units, Dodge 68RFE, Aisin AS69RC, and Toyota A750F/AB60 transmissions.

Built for Maximum Towing Capacity - Whether you're running a fleet of work trucks or need a commercial-grade replacement, our heavy-duty transmissions are tested and certified for extreme torque and towing demands. Every unit includes torque converter and valve body inspection.

✓

Best Price Guarantee

We'll match or beat any competitor's price on heavy-duty transmissions

Get Heavy Duty Transmission Quote
Free Nationwide Shipping
No Core Charge Required
Warranty Included

Why Choose Used Engines Store

VIN Compatibility Guaranteed

Exact engine matching using your VIN number ensures perfect compatibility with your vehicle

Up to 3-Year Warranty

Unlimited mileage coverage gives you complete peace of mind on every purchase

Nationwide Free Shipping

Flat rate freight delivery to your door anywhere in the United States

24/7 Expert Support

Certified technicians available around the clock to answer your questions

Best Price Guarantee

We'll beat any competitor pricing on comparable engines and transmissions

Quality Tested Engines

Rigorous inspection process ensures every engine meets our high standards

Shop by collection

Commonly Asked Questions

When deciding on a used, remanufactured, or crate engine for your replacement, the following questions might be on your mind.

?

What is the difference between used, remanufactured, and crate engines?

Used engines are pre-owned units removed from vehicles. Remanufactured engines are rebuilt to meet OEM specifications with new parts. Crate engines are brand new, factory-built units ready for installation.
?

How do I know which engine is compatible with my vehicle?

Provide us with your vehicle's year, make, model, and VIN number. Our team will verify compatibility and recommend the best engine option for your specific vehicle.
?

What warranty do you offer on your engines?

We offer comprehensive warranties ranging from 30 days to 3 years depending on the engine type. All warranties cover parts and labor for manufacturing defects.
?

Do you ship nationwide?

Yes, we ship engines and transmissions to all 50 states. All units are professionally packaged and palletized to ensure safe delivery to your location.
?

How long does shipping take?

Standard shipping typically takes 3-7 business days depending on your location. Expedited shipping options are available for faster delivery.
?

Can I get a quote before purchasing?

Absolutely! Contact us with your vehicle details and we'll provide a personalized quote including the engine, shipping, and any additional services you may need.
?

What is your return policy?

We offer a 14-day return policy on all engines. The unit must be in original condition and packaging. Return shipping costs may apply depending on the reason for return.
?

Do you offer installation services?

While we don't provide direct installation, we can recommend trusted mechanics in your area and provide detailed installation guides with every engine purchase.
?

How are your engines tested before shipping?

Every engine undergoes comprehensive testing including compression tests, leak-down tests, and visual inspections to ensure quality and performance before shipment.