Pro Gear and Transmission is your online source for everything medium or heavy-duty truck related.  Our multi-faceted shop has parts experts to answer your truck repair questions with the experience you need. Our rebuild diesel technicians have over 100 years of combined diesel repair experience and are ASE Certified for Medium and Heavy-Duty Trucks. Most technicians are also trained and certified by Eaton RoadRanger Academy and are also experts in troubleshooting PTO’s and most heavy-duty truck issues.

We are a powerhouse when it comes to medium and heavy-duty truck parts. We stock and ship most parts the same day, and ship internationally. We pride ourselves on the extensive application knowledge of our parts department, our friendly sales staff, and our multiple warehouses located nationwide and filled with heavy-duty truck parts and accessories (even the hard to find or obsolete items) that you need for your next project or repair – at your fingertips.