Engine, Transmission &
Differential Specialists

Trusted Truck Repair, Engine Overhaul & Transmission Services

JMD Truck Trailer & Reefer Repair Ltd. takes pride in being one of Canada’s most trusted and well-equipped providers of truck repair, engine overhauls, transmission services, and differential rebuilds. Our services are backed by years of experience, a highly skilled team, and state-of-the-art facilities and equipment.

Engine Overhaul Services

When it comes to engine overhaul, there’s no better place than JMD. Our licensed mechanics have extensive experience with a wide range of engines and apply their expertise to:

  • Remove and disassemble the engine

  • Clean, inspect, and repair all components

  • Reassemble and test the engine according to factory service manuals

This thorough approach ensures your engine runs efficiently, reliably, and is ready for long-distance and heavy-duty operations.

Transmission Services

Our team specializes in transmission diagnostics, repair, and complete rebuilds. We handle all types of transmissions for trucks and trailers, including manual and automatic systems. Our services include:

  • Complete transmission inspection and diagnosis

  • Rebuilding or replacing worn components

  • Testing and tuning for smooth and reliable performance

With our transmission expertise, we ensure optimal power delivery, longevity, and efficiency for your vehicle.

Differential Rebuild Services

JMD also provides expert differential rebuilds, essential for maintaining proper torque distribution and vehicle performance. Our services include:

  • Inspection and teardown of the differential

  • Replacement of worn gears, bearings, and seals

  • Reassembly and precision testing to ensure smooth operation

A professionally rebuilt differential improves drivability, reduces wear, and prevents costly breakdowns.

Why Choose JMD?

  • Certified, experienced mechanics with deep industry knowledge

  • State-of-the-art facilities and tools for precision repair

  • Reliable, long-lasting solutions for engines, transmissions, and differentials

  • Canada-wide trusted service for trucks, trailers, and reefers

Keep your fleet running efficiently, safely, and reliably—trust JMD Truck Trailer & Reefer Repair Ltd. for all your heavy-duty repair and overhaul needs.

Need Quick Repairs? Reach Out—We’re Here to Help.

Our certified technicians are here to get you back on the road quickly, safely, and efficiently. Call or message us today—we’ll handle everything from here.

Contact Us