Pick-up
Coordinate free equipment or component pick-up when applicable.
24-Hour Rush Repair
Power equipment shop · Fontana, CA
Generator Repair in Fontana
For Generator Repair in Fontana, the work happens under one Fontana roof at Top Notch Equipment Repair: teardown, measurement, machining and rebuild by the same crew that quotes it. Quotes and pick-up are free, and rush jobs run around the clock.
Power equipment shop · Fontana, CA
Engine-first generator service
Equipment comes in dead and leaves working: the failure is documented, the repair is quoted from real measurements, and the machining, welding, grinding and rebuilding all happen in-house. Free pick-up and delivery keep the logistics off your crew, and rush work runs around the clock, every day of the year.
Light towers — the generator’s close cousin on every night job — are serviced by the same crew.
Brands we serviceGeneracCumminsCaterpillarMultiquipWacker NeusonDoosanAtlas CopcoKohler
Generator Repair in Fontana · Fontana, CAGenerator service details
Rental fleets, contractors, plants and property owners across the Inland Empire. Regular hours Monday–Friday 6 AM–5 PM; rush line 24 hours, every day of the year — because generator emergencies keep generator hours. Free pick-up, delivery and quotes.
- Diesel engine repair and rebuilding
- Starting, charging and fuel system service
- Load testing and fault diagnosis
- Light tower service and repair
- Preventive service for standby sets
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
Do you repair towable rental generators?
Yes — towable sets and standby generators, engine and mechanical service, plus light towers.
My generator starts but will not carry load. Can you find it?
Yes — load-related faults are diagnosed under load; bring the set in and we will document the failure and the fix.
Related services
Emergency breakdown? Call the 24-hour rush line.
(949) 400-2937Schedule service or open a repair order
Request a service call.
Tell us the make, model, symptoms, where the machine sits and how urgent it is. Your details open as a text to the shop, ready for you to review before you send.