Field service that comes to you
Mobile diesel &
heavy equipment repair
On-site diagnostics, preventive maintenance, inspections and breakdown repairs for equipment, trucks and trailers.
Serving jobsites, yards and farms across Southern Ontario
Mobile service capabilities
Built for machines that cannot wait
Mobile repairs
We come to the jobsite or yard — heavy equipment, diesel trucks and trailers.
Inspections & PM
Annual safety inspections, PM-A/B/C services and machine-specific checklists.
Diagnostics
Electrical, hydraulic and driveability troubleshooting with proper testing.
Trailer service
Brakes, air systems, lights, suspension and 3-month T-service.
Clear invoicing
Photos, findings and a written record of every repair on your unit.
Emergency callouts
Breakdown? Call and we'll tell you straight when we can be there.
- Diesel engines
- Electrical diagnostics
- Hydraulics
- Air & brake systems
- Mechanical repairs
- PM service
The mobile shop
Workshop capability at your yard or jobsite
The service trailer carries tooling for diesel, electrical, hydraulic, air and mechanical repairs, so diagnostics and repairs can happen where the machine is working.
How service works
From breakdown to back to work
- 01
Call, text or request
Tell us the machine, where it is and what it is doing. Photos help.
- 02
We confirm timing
We reply with when we can be there. A request is not an appointment until we confirm it.
- 03
Repair on site
Diagnostics and repairs at your yard, farm or jobsite, with a written estimate before work starts.
- 04
Written record
Your invoice lists the work done and parts used, and customers with a portal can see their machine history.
Service plans
A plan built around your machines
Plans are tailored per machine and quoted in writing. There is no subscription and nothing is signed up automatically — request a plan and we'll go over your equipment, model, serial numbers and hours with you.
Routine maintenance
Scheduled services planned from your machine's manufacturer intervals and its hour meter or calendar.
- Fluids, filters and greasing to the OEM schedule
- Hour and date reminders for customers with a portal
- Findings written up for every visit
Diagnostics & repair
Troubleshooting and repairs when something is wrong, booked as needed.
- Electrical, hydraulic and engine diagnostics
- Written estimate before repair work
- Photos and findings on your record
Fleet care
For companies running several machines that want one mechanic keeping track of them.
- Private fleet portal with machine history
- Operator pre-trip checklists and repair requests
- Maintenance plan per unit, reviewed with you
Pricing follows the posted rates below and your written estimate.
Customer login
Your fleet, in one private place
Fleet customers get a private login set up by RX On-The-Go Mechanics. There is no public sign-up.
Machine history
Service records for each unit — work done and parts used, without prices.
Service requests
Send a repair or service request with photos for a specific machine and follow its status.
Maintenance due
See which machines are due, overdue or still need intervals set up.
Operator pre-trips
Daily operator checklists, hours and downloadable pre-trip reports.
Our work
See real jobs from the field
Reviews
What customers say
No reviews posted yet — be the first.
Service area
Mobile service across Southern Ontario
We bring the shop to your jobsite, yard or farm. Travel is billed as posted in our rates below — call or text with your location and we'll confirm timing.
Rates & fees
Straightforward, written pricing
Every job gets a written estimate before work begins. Your invoice shows exactly what was done, the parts used, and the fees below — nothing hidden. All prices in Canadian dollars, plus HST where applicable.
Labour — $140/hr
Standard rate $140 per hour with a 2-hour minimum, confirmed on your written estimate before work starts.
Travel — $1.10/km
Travel to your jobsite or yard is billed at $1.10 per kilometre — quoted up front with your estimate.
Emergency call-out — $300
After-hours or emergency breakdown response carries a flat $300 call-out fee, in addition to labour and travel.
Shop supplies
5% of labour, capped at $75 per invoice — covers consumables like cleaners, sealants and hardware.
Waste oil disposal
$1.50 per litre of waste engine oil removed, handled and disposed of properly.
Coolant disposal
$2.00 per litre of used coolant removed and disposed of to environmental standards.
Environmental fee
A flat $15 per service invoice covering compliant handling of fluids, filters and shop waste.
Payment is due on completion unless other terms are agreed in writing. Pay online by card from the invoice link we send you, or by the methods listed on your invoice. See our Service Warranty & Refunds page for our 30-day workmanship warranty.
Request service
Tell us what is down
Include the machine, location and what it is doing. We'll reply using the phone number or email you provide.

