GMC’s T and W-Series trucks represented the brand’s dedication to medium-duty performance, offering diesel and gasoline options for hauling, towing, and vocational work. These trucks were staples for commercial fleets needing dependable power and long service life.
Common Problems
- Injector and fuel-pump wear on high-mileage diesel engines
- Turbocharger degradation over time
- Crankshaft seal leaks under heavy-duty use
- Cooling-system failures in hot operating environments
- EGR-valve clogging or sticking
Why Remanufactured?
Remanufactured GMC T and W-Series engines from Gearhead Engines undergo rigorous rebuilding and testing, ensuring lasting strength for your workhorse truck.
Just for Fun – GMC Engine Trivia
Trivia: Which company partnered with GMC for W-Series engineering?
Fun Fact: Isuzu’s collaboration influenced the design of the W-Series, bringing cab-over efficiency to the lineup.
FAQs
Q: Are replacement parts still available for these models?
A: Yes—remanufactured engines and components are widely available through trusted suppliers like Gearhead Engines.
Q: What’s the benefit of remanufacturing medium-duty engines?
A: It restores OEM-grade durability and saves businesses money compared to buying new equipment.
Visit GearheadEngines.com to find a remanufactured GMC engine that keeps your vehicle running strong for years to come.
Also explore our new Gearhead Advantage section.
