Pick-up
Coordinate free equipment or component pick-up when applicable.
24-Hour Rush Repair
Drive motor bench · Fontana, CA
Hydraulic Motor & Final Drive Rebuilds
Hydraulic Motor & Final Drive Rebuilds is core work at Top Notch Equipment Repair in Fontana. Expect a documented teardown, honest measurements, in-house machining and a tested result — with free quotes and a rush line that answers 24 hours a day, 365 days a year.
Drive motor bench · Fontana, CA
The circuit matters as much as the motor
Hydraulic failures get found before they get fixed: the component is opened, measured and tested so the repair answers the actual cause — scored rods, worn bores, tired seals, contaminated circuits. Rebuilt components are pressure-tested in-house, and complete systems are returned ready to hold working pressure.
Brands we serviceBobcatKubotaCaterpillarTakeuchiJohn DeereCaseKayabaNachiParkerEaton
Hydraulic Motor & Final Drive Rebuilds · Fontana, CAMotors and drives we rebuild
Track and final drive units for compact track loaders, skid steers and excavators; swing motors; wheel and hub motors; and industrial hydraulic motors. Send the unit or bring the machine — free pick-up applies when applicable. Regular hours Monday–Friday 6 AM–5 PM; rush service around the clock.
- Track drive motor rebuilding
- Final drive repair and rebuilding
- Swing motor service
- Planetary gear renewal
- Circuit contamination cleanup
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 rebuild final drives, or only replace them?
We rebuild them in-house — gears, bearings, seals and surfaces renewed, then tested. Replacement is the fallback when a housing is beyond restoration, and we will show you why.
My loader lost drive on one side. Is it the motor?
Often — or the pump section feeding it. An inspection separates motor, drive and pump before parts money is spent.
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.