Collection
Where it applies, we arrange collection of the machine or part at no charge.
Round-the-Clock Rush Repairs
Fontana, CA · Independent Hitachi service
Hitachi Equipment Repair in Fontana
Hitachi's ZX excavators are hydraulic machines above all else — smooth, quick, and completely reliant on pumps, motors and valves that are in good health. At our Fontana shop, Hitachi construction equipment is repaired with hydraulics at the centre of the job: main pumps, swing and travel motors, control valves and cylinders, plus engines and undercarriage. We're an independent shop rather than a Hitachi dealer — the place owners call when the machine has to be digging on Monday.
Fontana, CA · Independent Hitachi service
The Hitachi jobs that fill our week
On ZX machines that means diagnosing and rebuilding main hydraulic pumps; servicing travel and swing motors; resealing cylinders and fitting new rods; repairing the Isuzu-built diesels most ZX machines run on; final drive and undercarriage work; and tracking down electrical faults in the monitor and sensor systems. Hitachi hydraulics repay precision — we set pressures and flows to spec instead of estimating them.
Brands we serviceHitachi
Hitachi equipment repair · Fontana, CAReal hydraulic depth, for a machine that lives on hydraulics
Weak swing, a boom that drifts or hydraulic oil running hot on a Hitachi calls for measurement, not guesswork with parts. Findings are documented in photos and video, quotes are put in writing, and components are rebuilt in-house — with the measured wear shown to you before you approve a thing. Pick-up and delivery are free where applicable; hours are Monday–Friday, 6 AM to 5 PM, and the 24-hour rush line runs every day of the year.
- Main pump and valve work on ZX excavators
- Rebuilds of swing and travel motors
- Cylinder reseals and new rods
- Isuzu diesel engine repairs
- Hydraulics and drivetrain work on ZW loaders
How a repair moves through our shop — 8 steps
From your first phone call to a machine or component that's been tested and put back to work, here's the route every job follows.
Teardown & check
We strip the unit down and assess the full extent of the failure.
Photo & video record
We photograph and film what we find, so the conversation about repairs starts from clear evidence.
Written quote
We spell out the work we recommend and price it before anything goes ahead.
Your go-ahead
Together we confirm what's being done, how urgent it is and the most sensible way forward.
Machine shop work
Components get machined, welded, rebuilt or reverse-engineered as the job requires.
Bench testing
Nothing leaves until operation and workmanship have both been checked.
Return
The finished part or machine goes back to you, ready to return to service.
Questions owners ask us
Is your shop a Hitachi dealership?
It isn't — we're an independent repair shop that services Hitachi construction equipment, with no dealer affiliation.
My Hitachi excavator has gone slow and weak — what's the usual cause?
Hydraulics, in most cases: a main pump that's worn, control valve sections leaking past, or a travel or swing motor on its way out. We test the system's pressures and flows and show you the readings before we quote anything.
Do Hitachi mini excavators get serviced here?
They do — ZX mini and compact excavators included, covering travel motors, blade and boom cylinders and engine servicing.
More services to explore
Down right now? Ring the round-the-clock rush line.
(949) 400-2937Book a service visit or start a repair order
Ask for a service visit.
Tell us the brand, the model, what's wrong, where the machine sits, how urgent it is and when you'd like us there. The form opens your details as a text to John, so you can check them over before you hit send.