Southern Semi Services — Moose Jaw
(306) 694-4339 Contact us
Black Freightliner highway tractor on a prairie highway at sunset
Flat deck truck loaded with strapped lumber at a yard
Red Kenworth pulling a grain trailer past grain bins
White septic vacuum truck with stainless tank
Yellow school bus parked outside a school

Moose Jaw, Saskatchewan · Since 1985

Your truck. Your livelihood. Our priority.

Quality truck parts, honest repairs, and dependable service for owner operators, fleets, farms, and commercial customers.

Family owned since 1985

Four decades in Moose Jaw under the same family. The person who picks up the phone knows the shop and knows the work.

Parts sourced direct

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.

Fleet accounts welcome

Honest, fair pricing and scheduling built around keeping your units earning instead of sitting.

Our services

Complete repair & maintenance

Everything from a scheduled oil change to a full engine overhaul, handled in-house by technicians who have been doing this for decades.

Technician inspecting a truck engine compartment with a work light
Diesel engine block stripped for overhaul with measured components laid out on the bench

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.

Technician draining engine oil beneath a truck on the hoist

Preventative Maintenance

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

Welder repairing the side rail of a trailer

Trailer Repair

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

Technician filling coolant on a Peterbilt with A/C service equipment alongside

Radiator & Cooling

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

Technician inspecting a transmission removed from the truck on the workbench
Technician examining a driveshaft

Transmission & Driveline

Specialized service for manual transmissions, driveline and driveshaft components.

Parts counter technician looking up a part, with drums, filters and valves on the counter

Parts Sourcing

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.

Technician applying a Saskatchewan Commercial Vehicle Safety sticker to a Kenworth

Sask Safety Inspections & Certification

Licensed inspections and certification for both truck and trailer.

Peterbilt with the hood up and exhaust and emissions components laid out on the shop bench

Delete Diesel Emissions Kits

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

Built on hard work.

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.

1985 Serving Moose Jaw and area ever since

Get in touch

Need a part? Need service?

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.

Shop
150 North Service Rd
Moose Jaw, SK  S6H 7W6
Hours
Mon–Fri  8:00 AM – 5:00 PM

Submissions go to the shop inbox. We answer during business hours.