01 / DIAGNOSTICS
Diagnostics & troubleshooting
Truck and trailer fault diagnosis, ABS diagnostics, and DPF and emission system troubleshooting.
24/7 MOBILE TRUCK & TRAILER REPAIR
Keep your
fleet moving.
On the road. At your yard. Wherever you need us. Mobile diagnostics, repairs, and maintenance across the GTA and Central, Eastern, and Western Ontario.
310T Truck & Coach Technician / On the Road With You
Support around the clockCall day or night for mobile service.
We come to youRoadside, yard, and on-site repair support.
310T technicianTruck and coach repair expertise.
Built for the road ahead
The right repair.
Right where you need it.
From a warning light to a truck that won't start, get mobile support for your truck, trailer, or fleet.
02 / BRAKES & AIR
Brake & air system repairs
Support for brake concerns and air system faults to identify the issue and plan the necessary repair.
03 / ELECTRICAL
Electrical & starting systems
Electrical troubleshooting, battery and charging system service, and starting system repairs.
04 / SUSPENSION
Suspension repairs
Assessment and repair support for truck and trailer suspension issues at your location.
05 / MECHANICAL
Mechanical repairs & welding
Mobile truck and trailer mechanical repairs and minor welding, based on the job and site conditions.
06 / FLEET CARE
Fleet maintenance
On-site maintenance support for fleet operators, owner-operators, and businesses that depend on their vehicles.
Not sure what your vehicle needs? Start with a call.Talk to a technician ↗
A closer look at heavy-duty repair
Big trucks.
Hands-on repair.
Explore repair visuals from the engine bay to the wheel end and trailer suspension. For your vehicle's needs, speak with our technician.
AI-generated illustrative repair images. These are not photographs of completed Fleet Doc jobs.
Mobile service · GTA · Central, Eastern & Western Ontario
Meet Fleet Doc
Your truck repair partner.
On the road with you.
Fleet Doc Truck and Trailer Repair Inc. provides mobile repair and maintenance support for truck owners and fleet operators across the GTA and Central, Eastern, and Western Ontario.
With a 310T Truck & Coach Technician and mobile service, we bring repair support to your vehicle's location.
- Truck and trailer diagnostics and repairs
- Roadside, yard, and on-site service
- 24/7 availability — call to arrange service
Getting help is simple
From first call
to your next mile.
Tell us what happened and where you are. We'll discuss the next steps with you.
01 / CALL US
Tell us what’s wrong.
Call 647-562-1384 with your vehicle type, symptoms, warning lights, and current location.
02 / ARRANGE SERVICE
We plan the visit.
We'll discuss the issue, confirm your location, and arrange mobile service based on availability.
03 / DIAGNOSE & REPAIR
Get the next steps.
On-site assessment helps identify the fault and determine the repair work your truck or trailer needs.
Ontario support. Mobile service.
Across Ontario.
At your location.
Mobile truck and trailer repair across the GTA, Central Ontario, Eastern Ontario, and Western Ontario. Call with your exact location to confirm travel availability and arrange a visit.
Check service availabilityOur service regions
Greater Toronto Area
Toronto · Brampton · Mississauga · Vaughan · Markham · Richmond Hill · Oakville · Burlington · Milton · Pickering · Ajax · Whitby · Oshawa
Central Ontario
Barrie · Orillia · Midland · Collingwood · Wasaga Beach · Huntsville · Bracebridge · Gravenhurst · Peterborough · Lindsay
Eastern Ontario
Cobourg · Port Hope · Belleville · Trenton · Kingston · Brockville · Cornwall · Ottawa · Smiths Falls · Perth
Western & Southwestern Ontario
Hamilton · Guelph · Kitchener · Waterloo · Cambridge · Brantford · Woodstock · Stratford · London · Sarnia · Chatham · Windsor
Nearby communities along Highway 401, 400, 404, 407, 416, 417, and the QEW. Call 647-562-1384 to confirm service for your location. Travel availability and arrival timing vary by distance and current workload.
Let’s get you moving
Need a repair?
We’re a call away.
For urgent service, call us directly. For maintenance and general enquiries, email us or prepare a service request below.
Call 24/7647-562-1384 ↗Emailfleetdoctruckandtrailer@gmail.com ↗
Instagram · @fleetdoc_truckrepair ↗Service areaGTA · Central, Eastern & Western Ontario
Before you call
A few helpful answers.
Are you available 24/7?
Yes. Fleet Doc is available 24/7. Call 647-562-1384 to discuss your needs and arrange service. Arrival timing depends on location and availability.
Do you come to my truck’s location?
Yes. We provide mobile service for roadside, yard, and fleet locations across the GTA and Central, Eastern, and Western Ontario. Share your exact location when you call.
What details should I have ready?
Your location, a callback number, vehicle make and model, symptoms, and any warning lights or fault codes. These details help us understand the job.
How do I get a repair estimate?
Call or email with your vehicle and repair details. An assessment may be needed to identify the fault and determine the work required.