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Heavy truck repair

Reliable Commercial Truck Repair Services in the Greater St. John’s, Mount Pearl and surrounding areas

When you’re running a commercial fleet, you don’t have time for breakdowns. The highly experienced staff at The Wrench Pit is ready to put its knowledge and skills to work for you. We offer commercial truck repair and maintenance services for commercial trucks (including fleet services) throughout the Greater St. John’s, Mount Pearl, and  surrounding areas.

Truck on a lift in a car service

Our commercial truck repair services include:

Commercial Vehicle Safety Inspections

Differential Repair

Engine Diagnostics

1-ton to 10-ton Box Truck Repair

Preventive Maintenance

Oil Change/Lube Service

Power Train Repair

Preventive Maintenance

Propane Vehicle Inspection

Radiator Service

Air Conditioning Diagnostics & Repair



Engine Repair & Replacement

Exhaust/Muffler Service & Repair

Transmission Repair

GMC W3500, W4500, W5500 Diagnostics & Repair

Heating Systems

Hydraulic Brake Repair


Diesel Repair


Mobile Repair

DPF Diagnostic & Repair

Drivability Issues

Driveline Repairs

Eaton Transmission Repair

Electrical Repair

Emergency Refueling Service

Air Brake Repair

Emission System Diagnostic & Repair

Air Filter Replacement

Licensed DOT Inspections

Trailer Inspection

Fleet Service

Check Engine Light

Clutch Repair & Replacement

Coolant/Antifreeze Flush


To request an estimate, please give us a call today.

Semi Truck Mechanic Job


We provide comprehensive and reliable services for commercial fleets and heavy equipment.

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