Top Heavy Duty Truck & Diesel Engine Repair Services Two Locations Serving the Fraser Valley, Merritt, Kamloops, and Beyond

Professional, responsive, and reasonably-priced heavy-duty truck repair services

Reliable Diesel Tech- Western Canada’s Heavy-Duty Truck Repair Specialists Keeping Fleets Moving with Trusted Diesel & Commercial Vehicle Repairs

At Reliable Diesel Tech, we specialize in heavy-duty diesel repairfleet maintenance, and commercial truck diagnostics. With operational hubs in Mission and Kamloops, our experienced technicians deliver top-tier service throughout British Columbia and Alberta.
Whether you operate a single unit or a full fleet, we understand the importance of keeping your trucks on the road and your business moving.

Our Heavy-Duty Repair Services

We provide full-service commercial and diesel truck repairs, including:

 

  • Engine diagnostics & rebuilds (Cummins, CAT, Detroit, and more)
  • Transmission & drivetrain service
  • ABS & air brake system repairs
  • Commercial HVAC systems
  • DPF cleaning & emissions system service
  • Scheduled fleet maintenance and inspections
  • Mobile mechanic service for in-yard or roadside repairs
Every job is completed with precision, speed, and a commitment to minimizing downtime.

 

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Fleet-Focused Mobile Repair & Diagnostics

We support fleet operators, logistics companies, and owner-operators with mobile diesel repair across the region. Our trucks are equipped with dealer-grade diagnostic tools, and our technicians are trained to handle repairs on-site when and where you need them most.
Why wait for a shop? Let us bring the repair bay to you.
Our team is certified, experienced, and trusted by major fleet operators across Western Canada.
 Fleet Uptime Is Our Priority
Quick turnarounds, same-day inspections, and fully transparent service to keep your trucks on the road.
 Mission-Critical Repairs
From breakdowns to scheduled maintenance, our priority is always minimizing delays and maximizing operational readiness.
 Mobile Coverage Across Western Canada
We dispatch mobile technicians from Mission and Kamloops, covering commercial routes, yards, and worksites across BC and Alberta.

 Service Areas We proudly serve:

  • Mission, BC
  • Kamloops, BC
  • Fraser Valley & Okanagan regions
  • Alberta (by mobile dispatch)

Happy Customers

Commercial Truck Repair | Merritt, BC | Reliable Diesel Tech

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