knowles onsite repair

Truck Repair & Maintenance

Knowles On Site Repair, Inc has the knowledge and technology to repair and service the most advanced trucks and trailers 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, Allison, Volvo, Mack, Navistar, Isuzu and all other types of equipment.

      Mobile Fleet Maintenance Services


With Knowles On Site Repair, Inc. fleet maintenance program, we bring the maintenance shop to you, maintaining your vehicles at your location or at our shop. Our technicians and services are dedicated to your fleet. Save time, money, and headaches by contracting with Knowles On Site Repair, Inc. 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 location.


      Compliance Inspections

We provide DOT inspection service for commercial vehicles. Our inspections for trucks and trailers are done using the guidelines set forth by the Department of Transportation.

      Engine Overhauls

At Knowles On Site Repair, Inc., diesel engines are our specialty. We have a staff of highly skilled  ASE certificated technicians, 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.