Expert Service for Cummins Diesel Engines and Power Systems
At Superior Equipment Repair, we specialize in servicing Cummins diesel engines found in trucks, heavy equipment, and industrial machinery.
Whether you operate a Ram with a 6.7L Cummins engine or manage a fleet of commercial vehicles powered by ISX or X15 engines, our certified technicians deliver fast, reliable diagnostics and repairs to keep your equipment running at peak performance.
Common Cummins Engine Problems We Fix
Cummins engines are known for durability and power—but like all diesel systems, they require expert care. We frequently diagnose and repair issues such as:
✓ Fuel System Failures
Including injector leaks, pump malfunctions, and fuel contamination.
✓ EGR and DPF Problemss
Emissions-related components like EGR valves and diesel particulate filters often require cleaning, repair, or replacement.
✓ Turbocharger Issues
Loss of power, smoke, or whistling sounds may indicate turbo problems—we handle inspections and replacements.
✓ Overheating and Coolant Leaks
Critical for engine longevity, we track down causes and prevent future damage.
✓ Sensor or ECM Failures
Modern Cummins engines rely on sensors and modules—we test and replace these to restore system accuracy.
Our Cummins Repair Services
We provide a full range of services for Cummins-powered trucks and equipment:
✓ Engine diagnostics and troubleshooting
✓ Fuel injection system repairs
✓ EGR, DPF, and SCR service
✓ Turbocharger inspections and replacements
✓ Cooling system repairs
✓ Electrical and sensor diagnostics
✓ Preventive maintenance and performance tuning
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.
OUR SERVICE NETWORK
Field Service Supported by Three Repair Facilities
Superior Equipment Repair operates repair facilities in McClellan, Rancho Cordova, and Santa Rosa, supported by regional mobile service for commercial fleets, trucks, and heavy equipment.
Use the interactive map below to view our repair facilities and current service coverage. If your location falls outside the highlighted area, contact our team to confirm service availability.
Brands We Service and Repair
Need Truck Repair Services?
Full-service repairs, diagnostics to overhauls—see what we offer for your fleet.
Keep Your Fleet Moving With Superior
From preventive maintenance and inspections to mobile service and complex repairs, we provides the people, facilities and field-service capability to support your operation at scale.