2469802 Alberta Ltd • Fort McMurray, AB

Heavy Truck & Equipment Repair That Doesn’t Wait For Business Hours

J.J. Diesels keeps Freightliner, Kenworth, Peterbilt, Volvo and Mack trucks — and the fleets that run them — on the road in Fort McMurray and the surrounding oil sands region. Red Seal certified mechanics, shop or roadside, 24 hours a day.

Call (825) 963-5911 Request Service

24/7 Shop & Roadside

Years Experience

24/7

Shop & Roadside

Major Truck Brands

Red Seal Certified

What We Fix

One Shop, Every System Your Fleet Depends On

From engine diagnostics to trailer welding, our mechanics carry factory-level training on the trucks and equipment that keep the oil sands moving.

01 / HEAVY TRUCK

Heavy Truck Repair

Engine diagnostics, transmission, brake & air brake systems, suspension, electrical and preventive maintenance.

02 / TRAILER

Trailer Repair

Brake and suspension work, structural repair, welding and lighting to keep trailers safety-certified and on the road.

03 / EQUIPMENT

Heavy Equipment

Excavators, loaders, skid steers, cranes and agricultural & construction machinery, serviced on-site or in-shop.

04 / MOBILE

Mobile & Roadside

On-site repairs, roadside emergency service and mobile diagnostics that come to your job site or breakdown.

Why Fleets Choose Us

Built For The Demands Of Fort McMurray Operations

Red Seal Certified Mechanics

A decade of hands-on experience on the exact makes that run this region — Freightliner, Kenworth, Peterbilt, Volvo and Mack.

Open 24 Hours, 7 Days A Week

Breakdowns don’t wait for daylight. Neither do we — call any hour for shop or roadside dispatch.

Industry-Standard Parts, Fair Pricing

We stock and source parts that meet OEM standards, priced to keep your trucks running without surprises.

Safety Certified

CVIP-ready inspections and documentation.

Fast Response

Rapid dispatch to reduce fleet downtime.

Industries Served

Trusted By The Fleets That Run This Region

Transportation

Oil & Gas

Construction

Mining

Agriculture

Municipal

Industrial

Fleet Operators

Reviews

What Fort McMurray Fleets Are Saying

Called them at 2am when a Kenworth broke down on Highway 63. Mechanic was on-site fast and had us moving again before sunrise.

— Fleet Dispatcher, Trucking Co.

Honest diagnostics and fair pricing on our whole fleet’s preventive maintenance. No upsells, just straight answers.

— Operations Manager, Construction

Our go-to shop for anything Peterbilt or Volvo. Red Seal techs who actually explain what they find.

— Owner-Operator

Practical Advice For Truck & Equipment Owners

Mechanic checking a truck wheel during inspection

Maintenance

How Often Should Heavy Trucks Get Serviced?

A duty-cycle guide to preventive maintenance intervals for heavy trucks running in and out of Fort McMurray.

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Mechanic inspecting an engine in a dimly lit garage

Diagnostics

5 Signs Of Diesel Engine Problems

The early warning signs — from rough idle to black exhaust — that mean it’s time for a diagnostic check.

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Maintenance

Preventive Maintenance Tips For Fleet Owners

Simple habits that reduce breakdowns and extend the life of your fleet’s engines and drivetrains.

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A Look Inside J.J. Diesels

Shop Bay Doors

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Down Truck? We’re Already Awake.

Shop repairs, mobile dispatch and fleet maintenance across Fort McMurray, 24 hours a day, 7 days a week.

Call (825) 963-5911