Monkey Wrench Diesel Services

OUR SERVICES

Mobile diesel mechanic and heavy-equipment repair. We come to you and work to get you back to work.

Many makes and models. We work on a wide range of diesel trucks and heavy equipment. The lists below are examples of what we do — we are not limited to the machines listed. If you do not see your equipment, call or text and ask.

Heavy Equipment Repair

Down equipment costs you every hour. We diagnose and repair construction and agricultural machinery on site — engines, hydraulics, electrical, undercarriage-related mechanical issues and more — so the machine can get back to production.

  • Bulldozers
  • Excavators
  • Skid steers and compact track loaders
  • Wheel loaders
  • Backhoes
  • Motor graders
  • Agricultural tractors
  • Forklifts
  • Construction equipment

Diesel Truck Repair

Heavy-duty and commercial diesel trucks that earn their living need fast, accurate answers. We troubleshoot the problem at your location and repair what we can in the field.

  • Heavy-duty diesel trucks
  • Commercial trucks
  • Diesel engine diagnostics
  • Fuel system troubleshooting
  • Cooling system repairs
  • Electrical troubleshooting

Hydraulic Systems

Weak, slow or leaking hydraulics can stop a machine cold. We trace pressure, flow and leak problems methodically and repair or replace the failed components.

  • Hydraulic pump diagnostics
  • Cylinder repairs and replacements
  • Hose and line repairs
  • Valve troubleshooting
  • System pressure testing

Diesel Engine Services

From hard-starting and low power to overheating and smoke, we diagnose diesel engine problems at the source and carry out the repair or component replacement needed.

  • Engine diagnostics
  • Fuel injection systems
  • High-pressure fuel pumps
  • Turbocharger troubleshooting
  • Cooling systems
  • Engine component replacement

Electrical and Computer Diagnostics

Modern equipment runs on sensors, modules and wiring. We scan, read and test to find electrical and electronic faults and fix them properly.

  • ECM diagnostic scanning
  • Fault code diagnostics
  • Wiring repairs
  • Sensor troubleshooting
  • Electrical system repairs
  • Starting and charging systems

Additional Services

Keep equipment healthy and compliant with day-to-day service — done at your yard or job site.

  • Preventive maintenance
  • Oil and filter changes
  • Brake system repairs
  • Pneumatic (air) system repairs
  • A/C and HVAC repairs
  • Equipment inspections
  • Mechanical troubleshooting
  • Mobile field repairs
  • 24/7 Roadside Assistance

Rates

Rates

Heavy Equipment & Semi Trucks$90/hr
Hydraulic Cylinder Rebuilds$65/hr

Mileage charges apply for travel to your location. Contact us for a quote on your specific repair.

Not sure what's wrong? Send us the details.

When you call or text, photos, fault codes, and a short description help us come prepared.