Certified Repairs and Maintenance for Allison Transmissions
At Superior Equipment Repair, we specialize in servicing Allison automatic transmissions used in heavy-duty trucks, buses, and vocational vehicles.
Whether your transmission needs diagnostics, fluid service, or a complete rebuild, our certified technicians have the tools and expertise to restore performance and reliability.
Common Allison Transmission Issues We Repair
Allison transmissions are known for their durability and smooth shifting, but over time, components wear and issues can arise. We commonly repair:
✓ Delayed or rough shifting
Often caused by valve body issues or low fluid pressure.
✓ Overheating
Resulting from clogged coolers, old fluid, or heavy loads.
✓ Slipping or loss of drive
Slipping or loss of drive Can signal internal wear or electrical faults.
✓ Air Brake System Issues
Air leaks, weak pressure, or compressor faults that affect safety and performance.
✓ Torque converter problems
Including shuddering or poor acceleration.
✓ Electronic control failures
Such as faulty TCMs (Transmission Control Modules) or sensor errors.
Reliable Service for Allison Transmissions
We provide full support for medium- and heavy-duty Allison transmissions, including:
✓ Diagnostics and computer scanning
✓ Fluid and filter changes
✓ Valve body service
✓ Torque converter replacements
✓ Full rebuilds or overhauls
✓ Preventive maintenance programs
All repairs follow Allison service standards and use OEM-grade or approved replacement parts to ensure reliability and performance.
Why Rely on Us for Truck Service?
Assistance
Roadside assistance for emergency repairs. We ensure fast, reliable support whenever you need it.
Custom Fleet Management Solutions
Tailored coordination and maintenance solutions to help manage your fleet and improve efficiency.
Certified Technicians
Skilled, certified technicians delivering top-quality repairs with expertise and precision for your peace of mind.
Why Rely on Us for Truck Service?
Assistance
Roadside assistance for emergency repairs. We ensure fast, reliable support whenever you need it.
Custom Fleet Management Solutions
Tailored coordination and maintenance solutions to help manage your fleet and improve efficiency.
Certified Technicians
Skilled, certified technicians delivering top-quality repairs with expertise and precision for your peace of mind.
Service Areas in California, Oregon, and Nevada
At Superior Equipment Repair, we serve key locations across California, Oregon, and Nevada. The map below highlights the regions we cover, ensuring your equipment stays compliant and operational. Service areas include:
✔ California: San Francisco, Fresno, San Jose, and surrounding areas .
✔ Oregon: Grants Pass, Klamath Falls, Medford, and surrounding areas.
✔ Nevada: Reno, Sparks, Carson City, and surrounding areas.
Service Areas in California, Oregon, and Nevada
At Superior Equipment Repair, we serve key locations across California, Oregon, and Nevada. The map below highlights the regions we cover, ensuring your equipment stays compliant and operational. Service areas include:
✔ California: San Francisco, Fresno, San Jose, and surrounding areas .
✔ Oregon: Grants Pass, Klamath Falls, Medford, and surrounding areas.
✔ Nevada: Reno, Sparks, Carson City, and surrounding areas.
Brands We Service and Repair
Need Truck Repair Services?
Full-service repairs, diagnostics to overhauls—see what we offer for your fleet.
Need Reliable Fleet Service?
We provide expert maintenance, repairs, and roadside assistance to keep your fleet running smoothly. Contact us today and let’s keep your business moving.