Komatsu loader cylinder
A failed hydraulic cylinder was completely rebuilt and the customer was back up and running the following day.
Reliable industrial repair for more than 40 years
Crafting machines that power industry.
From our Fontana shop, Top Notch Equipment Repair rebuilds industrial gearboxes, pumps and hydraulic systems — and keeps the trucks, tractors and heavy equipment around them working. One call reaches the emergency crew, the machine shop and a full mechanical rebuild, all under one roof.
Top NotchEquipment Repair
24-hour rush repair service
48 HR Rush Repair — Breaker Rebuilt & Back to Work
A worn-out hydraulic breaker came in on a flatbed. Our crew tore it down, rebuilt it, painted it, mounted it and had it test-firing — that is the rush service: emergency repairs turned around fast, 24 hours a day, every day of the year.
24-hour responseEmergency industrial repair
Free logisticsPickup and delivery available
In-house manufacturingGears, shafts and obsolete parts
40+ yearsRepair and rebuilding experience
Gear Work In Our Shop
Real gear work on our own machines — worm gears, spiral bevel sets and helical gears, machined and finished under our roof in Fontana.
About Top Notch Equipment Repair
Industrial repair, rebuilding and manufacturing.
For more than four decades this shop has paired hard field experience with machining, welding, grinding, fabrication and complete mechanical rebuilding — the combination that gets dead equipment earning again.
The work ranges from a single failed component to a fully reconditioned machine: construction equipment, plant machinery, gearboxes, pumps, hydraulics, trucks and tractors.
Reliable Industrial Repairs & Precision Manufacturing for More Than 40 Years.
Our Services
Complete gearbox, pump, hydraulic, equipment and rush-repair coverage — choose a service for the full page.
How a repair works
One process, start to finish — free quote, free pick-up, in-house rebuild and a tested machine back at work.
01Call & free quoteCall with the make, model, symptoms, location and urgency. You speak directly with the shop and get a free inspection and repair quote.
02Free pick-upFree pick-up and delivery moves your equipment or component into our Fontana shop — no time wasted on logistics.
03Teardown & rebuildComplete teardown, machining, welding, grinding and rebuilding in-house — including gears, shafts and obsolete parts manufactured to spec.
04Tested & back to workEvery repair is checked before it leaves the shop. Rush jobs turn around on the 24-hour emergency service, every day of the year.
Industries we serve
Choose the operating environment for a complete page of gearbox, pump, hydraulic, rush-repair and manufacturer coverage.
01 / Industry
Mining Equipment
Gearboxes, slurry pumps, conveyors and high-load systems. 02 / IndustryConstruction Equipment
Hydraulics, drives, tools, compressors and support equipment. 03 / IndustryUtility's Equipment
Municipal pumps, blowers, reducers and utility fleets. 04 / IndustryConcrete Equipment
Concrete pumps, mixer drives, rollers and airlocks. 05 / IndustryWater Treatment
Turbine, split-case, sewage, irrigation and process pumps. 06 / IndustryRefineries Equipment
Process pumps, blowers, vacuum systems and gear drives.Testimonials through results
Recent jobs, documented the way they finished — the machine, the failure, and how fast it went back to work.
CAT 305 repair
A non-running mini excavator returned to operation in two weeks at half the quoted dealer repair cost.
Terex T340 crane
Engine, hydraulics, DEF, electrical and rotary-gear work completed on a rush timeline before certification.
Frequently asked questions
What can Top Notch Equipment Repair fix for you?
Heavy equipment, trucks and tractors of every class — and the gears, gearboxes, pumps and hydraulic components inside them — repaired, rebuilt and reconditioned in Fontana.
Where are you located?
14166 Whittram Ave, Fontana, CA 92335, serving the Inland Empire, Los Angeles and Orange County with pick-up and delivery.
What are your hours?
Regular hours Monday–Friday, 6 AM–5 PM. Rush and emergency repair runs 24 hours a day, every day of the year — we are a 365 shop.
Do you offer free quotes and pick-up?
Yes — inspection, quotes, and pick-up and delivery (when applicable) are free.
Do you buy used trucks and equipment?
Yes — we buy trucks and equipment in any condition, from pickups to large semis.
Repair services by city & specialty guides
Local pages for the cities we serve and in-depth guides from the shop floor.
24-hour rush repair
Your machine is down. Start here.
Call with the make, model, symptoms, location and urgency. You will speak directly with the shop about the fastest practical path to inspection, pick-up or repair.
Shop14166 Whittram Ave · Fontana, CA
Availability24-hour rush response
LogisticsFree pick-up & delivery
EstimatesFree repair quotes