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20+
Mobile Heavy Equipment Repair · Ingersoll, Ontario

Heavy
Equipment
Repair.

Mobile field service and full mechanical repair for all off-road heavy equipment. 20+ years of experience across Canada - mining, construction, agriculture, utilities, road building and more. Fully equipped service truck dispatched directly to your job site.

⚡ Request Service 📞 Call Now
20+
Years Experience
What We Do

Services

Field service and mechanical repair for all off-road heavy equipment. On your site, on your schedule.

Diesel Engine Overhaul & Rebuild
Hydraulic System Repair & Fabrication
Welding & Structural Fabrication
Transmission & Drivetrain Repair
Undercarriage Service & Replacement
Electrical & Electronic Diagnostics
Preventive Maintenance Programs
Fuel System & Injection Repair
Cooling System Repair
Brake System Service
Boom, Arm & Cylinder Rebuild
A/C & Heating Repair
Pre-Purchase Inspections
Fleet Maintenance Contracts
Attachment & Implement Repair
After-Hours Field Service
20+
Years of
Field Experience
Certification
Heavy Duty Equipment Technician · Certified across Canada
Specialization
Hydraulics · Welding · Diesel Engines · A/C & Heating · Mobile Field Service
Brands Serviced
Caterpillar · Komatsu · John Deere · Volvo · Hitachi · Liebherr · Doosan · Hyundai · Case · Kubota · Bobcat · New Holland · Takeuchi · Terex · JCB · Manitou · Gradall · Dynapac · LeeBoy · and more
Who We Are

Certified.
Experienced.
Field Proven.

The Great Canadian Wrench is built on over two decades of hands-on experience with heavy machinery across Ontario's most demanding job sites. Based in Ingersoll, we bring the full capability of a qualified shop directly to your equipment - wherever it's working.

  • Certified Heavy Duty Equipment Technician with extensive field experience spanning mining, construction, agriculture, road building, utilities, and more.
  • Specialized expertise in hydraulic systems, structural welding, and complex diesel engine work on all major OEM platforms.
  • Purpose-built service truck - fully stocked and equipped for major component removal and installation directly on your job site.
  • We arrive prepared and diagnose accurately - minimizing your downtime from the first visit.
  • Hourly rate billing with daily invoicing - you know what you're paying at the end of each day. No surprises.
  • Fleet maintenance programs available - keep your equipment on a consistent service schedule and catch problems before they cost you.
Book a Service Call
Mobile Service Capability

We Come To
Your Machine.

Our fully stocked service truck is equipped to handle serious repairs in the field - not just tire changes and fluid checks. When you call, we arrive ready to work.

🔧
Fully Stocked Parts & Components
Purpose-built heavy-duty service body with mounted crane for heavy component removal and installation in the field. Hoses, fittings, seals, filters, belts, and common wear parts stocked on board. Major component repair work - engines, transmissions, final drives, cylinders - without needing a separate service truck.
⚡
On-Site Welding Equipment
Full welding capability in the field. MIG and stick welding for structural repairs, fabrication, and repairs right where the machine is.
💻
Factory Diagnostic Software
Multi-brand diagnostic capability including Cat ET, Komatsu KOMTRAX, JD Service Advisor, Volvo VCADS, and others for precise fault identification.
💧
Hydraulic Hose Fabrication
Full hose crimping capability on-site. Any size, any configuration, fabricated and installed at your location - no need to tow your machine.
🔩
Lifting & Specialty Tools
Hydraulic press, heavy-duty lifts, specialty pullers and sockets, torque tools, and component handling equipment carried on the service truck.
🛡️
Fluid Analysis & Documentation
Oil and coolant sampling, service record documentation, and written inspection reports provided with every service for your records and warranty purposes.
Schedule Service

Our fully stocked service truck comes directly to your job site. Call to schedule or discuss your equipment needs.

  • Standard Call ResponseSame Day / Next Day
  • After-Hours RateHigher Rate Applies
  • Service HoursMon–Fri, 8AM–5PM
  • After-HoursRate Applies
📅 Schedule a Service Call
Rate Structure

Hourly Rates.
Daily Invoicing.

All work is billed by the hour. Invoices are issued at the end of each working day - you know exactly what you are paying as the job progresses. Call for current rates.

Standard Rate
Contact for Rate
Monday - Friday · 8:00 AM - 5:00 PM
  • On-site field service
  • Labour billed by the hour
  • All standard tooling included
  • 2-hour minimum per visit
After-Hours Rate
Higher Rate Applies
Evenings & Weekends - by arrangement
  • Available on a scheduled basis
  • Higher hourly rate applies
  • Scheduled in advance
  • 2-hour minimum billing
Call-Out Fee
Contact for Fee
Applies per dispatch to your site
  • Covers mobilization costs
  • Travel included in daily invoice
  • Truck and equipment included
  • Waived on fleet contracts
Travel & Fleet
Per km rate
Travel costs apply based on distance
  • Per-km rate beyond base area
  • Travel time billed at standard rate
  • Fleet contracts - negotiated rates
  • Contact us for fleet pricing
Daily Invoicing: All work is invoiced at the end of each working day. Payment is due on receipt - standard industry practice that keeps multi-day jobs clear and transparent. Contract Work: Fleet and ongoing maintenance contracts may have negotiated payment terms. Parts & Materials: Supplied at cost plus handling. All parts used are documented on your invoice. Travel costs are included in daily invoicing. A written scope of work is provided before any job begins. No additional charges without your approval.
Get in Touch

Schedule a
Service Call.

Phone
(780) 938-7574
After-hours rate applies
Email
service@greatcanadianwrench.ca
Location
Ingersoll, Ontario
Ingersoll, Ontario · Mobile Service Available
Hours of Operation
Monday – Friday8:00 AM – 5:00 PM
SaturdayBy Arrangement
SundayClosed
After Hours / HolidaysCall - After-Hours Available
Need Service Outside Business Hours?
Do not use the form. Call us directly at (780) 938-7574 and we will do our best to assist.

Schedule a Service Call
Fill out as much detail as possible. We'll confirm availability and schedule your service call - typically same day or next day response.
✅

Request Received!

Thank you - we'll review your request and confirm your service call within one business day. For time-sensitive situations, call us directly at (780) 938-7574.

Secure Online Payment

Pay Your Invoice

Pay your daily invoice securely online. Payments processed via Stripe - card details are never stored on our servers.

Accepted Payment Methods
💳 Visa
💳 Mastercard
e-Transfer
Payments are encrypted and processed securely via Stripe. The Great Canadian Wrench does not store your card information.
Prefer e-Transfer? Send to payments@greatcanadianwrench.ca with your invoice number in the memo. Questions? Call (780) 938-7574.