Complete Diesel Truck & Equipment Repair Services in Riverside

Onsite Truck & Equipment Repair is a full-service shop for trucks and equipment, handling everything from major repairs, annual inspections, and roadside services. We take pride in what we do for our customers, both large and small, which is why we have invested heavily in the latest software and technology to ensure issues are diagnosed accurately and repaired right the first time. Our software is exactly what you will find at any dealership—the only difference is ours comes with GREAT CUSTOMER SERVICE. You can count on us for any of the following:

  • Airbrake System Issues
  • Brakes
  • Differential Repair or Replacement
  • Diagnostics
  • Electrical Issues
  • Engine Conversions
  • Engine Rebuild or Replacement
  • Engine Service
  • Inspections – Annual, DOT & 53-point
  • Lights
  • Suspension Work
  • Transmission Conversions
  • Transmission Repair or Replacement
  • Emission DPF Filters
  • Emission DPF Systems
  • Commercial Tire Sales
  • Roadside Service Tire Repair
  • Roadside Service Breakdown
  • And More!

Truck Repair & Maintenance

Onsite Truck & Equipment Repair has the knowledge and technology to repair and service the most advanced tractor trailer trucks on the road today. Whether you’re experiencing an issue with your engine, transmission, electrical system, or A/C, we can handle it—and pretty much anything else! We work on Caterpillar, Cummins, Detroit, Eaton, Bendix, Volvo, Mack, Navistar, Isuzu and most other domestic, European, and Asian truck brands.


Equipment Repair

The best way to avoid serious breakdowns and minimize the high costs associated with equipment repair is by doing routine maintenance. Preventive maintenance is simply what the manufacturer suggests getting done to keep your equipment going. We provide the maintenance services to keep it running well.


Mobile Fleet Maintenance Services

With Onsite’s fleet maintenance program, we bring the maintenance shop to you, maintaining your vehicles at your location or at our shop, and all technicians and services are dedicated to your fleet. Save time, money, and headaches by contracting with Onsite Truck & Equipment Repair. We work with your schedule so your fleet vehicles are serviced without delay. Our skilled technicians provide mobile maintenance services to keep your fleet moving—regardless of where it is.


Mobile Truck Repair & Roadside Service

Our mobile unites provide 24/7 emergency roadside service and tire repair in Riverside and the surrounding areas. Call us for immediate help, and we’ll work to get you back on the road as quickly as possible, or get you to our shop if you need additional repairs or service.


Compliance Inspections

We provide State D.O.T. (Department of Transportation) and Federal (F.M.C.S.A.) inspection service for commercial vehicles. Our inspections for trucks and trailers are done using the guidelines set forth by the State of Texas Department of Transportation.


Diesel Pickups

Diesel pickup trucks are a necessity for many businesses in the Riverside area. Onsite Truck & Equipment Repair has the knowledge and technology to diagnose and repair all Dodge, Chevy, GMC, and Ford Superduty medium duty trucks. Our diesel experts can handle major engine repair, electrical issues, suspension, transmission, and fuel system issues—whatever your pickup needs.


Engine Overhauls

At Onsite Truck & Equipment Repair, diesel engines are our specialty. We have a staff of highly skilled engine repair mechanics, and a full-line parts department representing replacement and service parts from over 100 different product lines, including OEM-manufactured engine parts, instrumentation, filters, hoses, and hardware.


Diesel Particulate Filters

Diesel Particulate Filters, also known as DPFs, are exhaust after-treatment devices that significantly reduce emissions from diesel-powered vehicles and equipment. In addition to regeneration, the filter must be periodically cleaned to remove excessive noncombustible materials and ash. At Onsite Truck & Equipment Repair, we can take care of all of your DPF system needs.


RV repairs in Ontario,CA

RV Repairs

RV maintenance not only makes good sense from a safety standpoint, regular service also maintains the value of your motorhome for years to come. Whether you need RV prep for an upcoming trip or a specific repair, servicing your home away from home requires a technician with experience working on RVs. At Onsite Equipment Repair, we have the knowledge, space, and equipment to handle all your RV and travel trailer needs.