• Dana Spicer Off-Highway Systems

Driveline / Driveshaft

 Same-day service — we fabricate, modify, or repair to fit your needs.

Transmissions & Differentials

New and remanufactured – our rebuilds are done by the finest technicians in the World.

Off-Highway Experts

We are your service center for mining, construction and agricultural needs. We are proud to be an authorized Spicer® service center.

Hydraulics - Pumps, Motors, Valves, Cylinders, PTOs

We rebuild and stock new PTOs, pumps, motors, valves, cylinders, and power-steering components.

Snow & Ice

 Complete snow and ice control packages available to operate snowplows and material spreaders.

Power Steering

We have over 300 steering gear boxes available for immediate shipment. We also have power steering pumps in stock and ready to go.

Warehouses across the United States

2000 remanufactured units readily available to ship today!

Currently located in Chicago, Dallas, Denver, Minneapolis (Apple Valley), Nashville, Portland (Maine) and Rochester

Upcoming shows

Find out where General will be next!

Core Policy & Warranty Policy

 General Truck Parts stand behind their products and services. Click here for policy information.

Latest News

Read all about it

We are much more than transmissions, axles, differentials, and hard to find parts

General Truck Parts® (GTP) is known in the industry as one of the nation’s largest suppliers of remanufactured and new transmissions, transfer cases and parts. Our extensive inventory includes current as well as older/hard-to-find on- and off-highway models for light, medium, and heavy-duty use. New transmissions and transfer cases are available for upgrade and new applications. All of our transmissions are tested on our state-of-the-art dynamometer to ensure a problem-free installation. With over 45 years of experience, we have the products and expertise to get you back up and running in no time.

Download Brochure


"When we need heavy-duty truck parts, and we need it fast, we rely on General to get us what we need. "

“They always have that hard to find or no longer available part or unit”