Heavy-Duty Truck & Diesel Engine Repair in Kamloops
When your rig requires high-level mechanical intervention, expertise and capacity are the two factors that minimize your downtime. ROJ Truck & Trailer Repairs operates a specialized 3-bay facility in the Mount Paul Industrial Park, staffed by 12 trained mechanics. We provide comprehensive diesel engine services, from minor adjustments to complete out-of-frame overhauls.
Diagnostics, Engine Overhauls & Heavy-Duty Truck Repair
Our shop is equipped with the latest computerized diagnostic tools to accurately identify fault codes and performance bottlenecks in modern heavy-duty engines. We specialize in the industry’s most reliable powertrains, ensuring every repair meets OEM specifications.










Expert Repairs for Freightliner, Kenworth, Peterbilt & More

Computerized Diagnostics
Rapid identification of engine, transmission, and ABS fault codes.

Engine Rebuilds
In-frame and out-of-frame overhauls to extend the life of your asset.

Drivetrain & Transmission
Component repair, clutch adjustments, and full replacements.

Cooling & Exhaust Systems
Radiator service, water pumps, and DPF/emissions troubleshooting.

Electrical Systems
Starter and alternator replacement, wiring repairs, and lighting.
Diesel Engine Maintenance That Protects Your Investment
Regular maintenance is the most effective way to avoid costly breakdowns and extend the life of your engine. We follow manufacturer-recommended service intervals to keep your truck running efficiently and protect your warranty.
Our preventative maintenance services go beyond basic oil changes with full system inspections to catch issues early.
What’s Included:
- Manufacturer-specific service schedules
- Multi-point inspections
- Fluid checks and analysis
- Early detection of wear and failure points
Truck Repairs Frequently Asked Questions
- Can you perform same-day diagnostics? We aim to hook up diagnostics as quickly as possible to help you make informed decisions about your repair timeline.
- Do you service all major engine brands? Yes, our 12-mechanic team has specialized training across all major North American diesel platforms.
- Do you offer warranties on overhaul work? Please contact our service desk for specific warranty details on major engine and drivetrain projects.
Trusted By The Industry’s
Leading Brands
ROJ Truck & Trailer proudly services all major truck manufacturers. Whether you operate a single unit or a large commercial fleet, our experienced technicians have the tools, training, and expertise to keep your trucks on the road.
Truck Repairs:
Frequently Asked Questions
Can you perform same-day diagnostics?
We aim to hook up diagnostics as quickly as possible to help you make informed decisions about your repair timeline.
Do you service all major engine brands?
Yes, our 12-mechanic team has specialized training across all major North American diesel platforms.
Do you offer warranties on overhaul work?
Please contact our service desk for specific warranty details on major engine and drivetrain projects.
