

Truck Repair
Expert diagnostics and heavy-duty restoration for engines, electrical systems, air conditioning systems, and hydraulic components. Specializing in engine diagnostics, major overhauls, in-house counterboring, and flywheel resurfacing.
Moose Jaw, Saskatchewan · Since 1985
Quality truck parts, honest repairs, and dependable service for owner operators, fleets, farms, and commercial customers.
Four decades in Moose Jaw under the same family. The person who picks up the phone knows the shop and knows the work.
Name brand O.E.M., value priced P.A.I., aftermarket truck and trailer parts, and the hard to find obsolete pieces nobody else will chase.
Honest, fair pricing and scheduling built around keeping your units earning instead of sitting.
Our services
Everything from a scheduled oil change to a full engine overhaul, handled in-house by technicians who have been doing this for decades.


Expert diagnostics and heavy-duty restoration for engines, electrical systems, air conditioning systems, and hydraulic components. Specializing in engine diagnostics, major overhauls, in-house counterboring, and flywheel resurfacing.

Reduce downtime with scheduled maintenance services built around how hard you actually run the truck.

Welding and comprehensive structural and suspension work for frames and heavy-duty trailer components, plus brake replacements and electrical and lighting repairs.

Reliable cooling system maintenance and radiator replacement to prevent overheating and engine failure.


Specialized service for manual transmissions, driveline and driveshaft components.

Direct sourcing for name brand O.E.M. parts, value priced P.A.I. engine parts, aftermarket truck and trailer parts, and hard to find older, obsolete truck parts.

Licensed inspections and certification for both truck and trailer.

Delete services designed to remove or bypass emission control systems like the DPF, EGR, and DEF can improve performance, fuel efficiency, engine longevity and reliability.
About us
Southern Semi-Services has served Moose Jaw and area since 1985. Family owned and operated, with decades of experience in every aspect of semi repair. We get your truck back on the road fast, at a fair price — because your truck is your livelihood.
Get in touch
Tell us what you need and we'll call you back to confirm. For repairs, we'll book you in to look the unit over — we don't guess at a job we haven't seen.