Pick-up
Coordinate free equipment or component pick-up when applicable.
24-Hour Rush Repair
Independent Kenworth service · Fontana, CA
Kenworth Truck Repair in Fontana
Kenworth's T680s run the interstates out of the Inland Empire, T800s and W900s do the vocational heavy lifting, and all of them end up needing the same thing eventually: a shop that can do engines, gears and aftertreatment under one roof. Our Fontana shop repairs Kenworth trucks end to end — PACCAR MX and Cummins power, Eaton transmissions, differentials rebuilt in-house (gear work is our founding trade), and chassis systems. Independent shop, not a Kenworth dealer.
Independent Kenworth service · Fontana, CA
Kenworth work we do every week
Engine repair and in-frame rebuilds; transmission and clutch service; aftertreatment diagnosis — DPF, SCR, DEF faults and derates traced to cause; differential and driveline rebuilding; air, brake and suspension systems; and vocational body and PTO hydraulics. Fleet or owner-operator, the process is identical: documented teardown, written quote, rebuild-standard work.
Brands we serviceKenworth
Kenworth Truck Repair in Fontana · Fontana, CAWhy Kenworth owners run to Fontana
Dealer diesel shops book out deep and price like it. Here the standard is the same and the process is transparent: teardown documented with photos and video, worn parts measured and shown to you, a written quote before work begins, and free pick-up and delivery when applicable. Regular hours Monday–Friday, 6 AM–5 PM — and the 24-hour rush line runs every day of the year, because trucks earn nothing parked.
- PACCAR MX and Cummins engine repair and rebuilds
- Transmission, clutch and driveline service
- Differential rebuilding in-house
- Aftertreatment and derate diagnosis
- Vocational PTO and hydraulic systems
Our 8-step repair process
A clear path from the first call to a tested component or machine returned to work.
Inspection
Disassemble and evaluate the complete failure.
Photos & video
Document condition and findings for a clear repair conversation.
Repair quote
Define the recommended work and quote before proceeding.
Approval
Confirm scope, urgency and the practical path forward.
Manufacturing
Machine, weld, rebuild or reverse engineer required components.
Testing
Verify operation and workmanship before release.
Shipment
Return the completed component or equipment to service.
Frequently asked questions
Are you a Kenworth dealer?
No — we are an independent repair shop that services Kenworth trucks. No affiliation is implied.
Do you service fleet Kenworths?
Yes — single trucks and fleets, with the same documented process and written quotes per unit.
Can you rebuild a Kenworth differential?
Yes — differential and gear rebuilding are core work in this shop, done in-house.
Related services
Emergency breakdown? Call the 24-hour rush line.
(949) 400-2937Schedule service or open a repair order
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