Diesel Doctor Truck & Trailer Repair
At Diesel Doctor, we specialize in keeping trucks and trailers on the road — safe, reliable, and running at their best. Based in the GTA, we provide full-service truck and trailer repair, including engine diagnostics, electrical work, suspension, brake service, preventative maintenance, and emergency roadside assistance.
Our mission is simple: minimize your downtime and maximize your uptime. With skilled mechanics, competitive pricing, and fast turnaround times, we’re committed to helping owner-operators and fleet managers keep their business moving.
Whether it’s routine maintenance or major repairs, Diesel Doctor is your trusted partner for heavy-duty truck care.