J.J. Diesels (2469802 Alberta Ltd.) is Fort McMurray’s go-to shop for heavy truck, trailer and equipment repair. Over a decade of hands-on diesel work, our team has built a reputation on straight answers, Red Seal certified workmanship, and being reachable at any hour — because in this region, a truck down at 3am is a truck losing money.
We specialize in Freightliner, Kenworth, Peterbilt, Volvo and Mack, and we service the fleets, contractors and owner-operators who keep the oil sands, construction and transportation industries running around Fort McMurray and nearby areas.

Red Seal certified mechanics with a decade of experience on heavy-duty diesel systems.
24/7 shop and mobile dispatch means we’re there when a breakdown actually happens.
Industry-standard parts and honest quotes — no surprises on the invoice.
Talk to a Red Seal mechanic today about your truck, trailer or equipment.
Get In Touch