Heavy Duty Transmission Supplier

At River City Truck Parts we specialize in supplying quality heavy-duty truck transmissions for Class 6–8 trucks. Whether you’re replacing a failed unit, upgrading your fleet, or looking for remanufactured options, we provide dependable solutions that keep your trucks on the road and your business moving.

Why Choose Us?

• Wide Selection – Eaton Fuller, Rockwell/Meritor, Spicer, ZF, and other top brands.
• Remanufactured & Tested – Our remanufactured transmissions are fully inspected, tested, and ready to perform.
• Competitive Pricing – Get OEM quality without the high dealer cost.
• Fast Turnaround – We understand downtime is expensive. That’s why we ship quickly to get you back on the road.
• Expert Support – Our knowledgeable team helps you find the exact transmission for your truck.

Our inventory supports:

• Freightliner, Kenworth, Peterbilt, Volvo, International, Mack, and more.
• Manual and automatic heavy-duty transmissions.
• Fleets, owner-operators, and repair shops nationwide.
  

We have a vast inventory of transmissions so we can offer great deals that will fit your needs. We carry brands such as Eaton, Spicer, Dana, Meritor, ZF, and more. Transmissions are available in remanufactured, used, and rebuildable.

• Remanufactured transmissions come with a one-year unlimited milage warranty.
• Used transmissions are available complete and without electronics. Transmissions are tested and inspected to ensure all major components are working properly.
• Rebuildable transmissions are available in any configuration. We guarantee our transmission cores to meet or exceed your requested criteria. 

The Right Transmission, Every Time

Not sure what you need? Provide us with your truck make, model, and transmission tag number, and our specialists will match you with the correct unit—saving you time and money.

Call us now at 800-552-5111 to speak to a specialist or view our inventory.