LONDON, ONTARIO · TRUCK & TRAILER REPAIR
Heavy-duty work.
Handled.
Truck, trailer and heavy equipment repairs in London, Ontario. From diesel diagnostics to mechanical repairs, bring the problem to A-1.
427 Exeter Road · London, Ontario

BUILT AROUND WORKING EQUIPMENT
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WHAT WE WORK ON
One shop.
Working equipment.
Whether you run a single truck or look after a fleet, A-1 brings truck, trailer and equipment repair capabilities together.
01
Trucks & DEF systems
Mechanical repairs, diesel diagnostics and maintenance for medium- and heavy-duty trucks.
02
Trailer repairs
Repairs and maintenance for medium- and heavy-duty trailers and the components that keep them working.
03
Heavy equipment
Maintenance and repairs across a wide range of heavy equipment makes and models.
REPAIR CAPABILITIES
From the fault code
to the repair.
A broad range of services for the systems that keep your unit working.
01
Computer diagnostics
Diesel engine and truck diagnostics to investigate fault codes, performance concerns and system issues.
02
DEF & EGR systems
DEF-system support and EGR, intake, exhaust and sensor cleaning for working diesel equipment.
03
Brakes & wheel ends
Drum and disc brake repairs, along with work on hubs, seals, wheel bearings and related components.
04
Transmissions & clutches
Diagnosis and repair for shifting, clutch and driveline concerns, from smaller issues to overhaul work.
05
Tires & fuel systems
Truck tire repair and replacement, plus professional diesel injector cleaning.
06
Mobile repair support
On-site diagnostics and repair support. Call to discuss your location, unit and service availability.

A-1 TRUCK & TRAILER REPAIR
Your equipment.
Our focus.
Working equipment needs practical repair expertise. A-1 brings diesel diagnostics, mechanical repairs and maintenance together for owner-operators and fleets.
- Truck, trailer and heavy equipment capabilities
- Diagnostics, maintenance and mechanical repairs
- Shop repairs and mobile service enquiries
BEFORE YOUR NEXT REPAIR
Start with
the details.
Send the customer and vehicle details the shop needs before your visit.
01
Get in touch.
Call the shop or send a service request with your contact details.
02
Tell us about the unit.
Share the VIN, make, model and symptoms so we can understand the concern.
03
Plan the service.
Speak with our team about availability, the repair and the next steps.
GOOD TO KNOW
A few answers
before you call.
Have a question about your specific unit? Talk to the shop.
What equipment do you repair?
We service medium- and heavy-duty trucks, trailers and a wide range of heavy equipment. Call with the make, model and issue so we can discuss your unit.
Can I ask about mobile repairs?
Yes. Call the shop with your location and the symptoms. Our team will discuss mobile service availability and whether the repair can be handled on site.
What should I send before bringing in a truck?
The company name, contact information, VIN and a clear description of the problem are a useful starting point. Our customer and unit form collects those details in one place.
Do you provide annual and semi-annual inspection reports?
We offer annual and semi-annual inspection reports. Ask the team about requirements, availability and details when arranging service.
