24-Hour Rush RepairCall (949) 400-2937Toll-Free (800) 821-3404Free pick-up & deliveryFree quotes
LA Trucks and Tractors official logo

Your one stop shop for all your Gear, Pump, Equipment Needs

Schedule Service / Repair Order
24-Hour Rush Repair

Hydraulic repair · Serving Ontario, CA

Hydraulic Repair in Ontario

Ontario is the Inland Empire's freight crossroads — the I-10 and I-15 interchange, Ontario International Airport cargo operations, and mile after mile of distribution buildings whose forklifts, yard loaders, dock equipment and trucks run hydraulics from before sunrise to after midnight. In that duty cycle, hydraulic wear is not a possibility; it is a schedule. LA Trucks and Tractors serves Ontario from our Fontana hydraulic shop at 14166 Whittram Ave, minutes east on I-10: cylinders stripped and measured, barrels honed, rods re-chromed or manufactured new, pumps and motors rebuilt and bench-tested, and chronic leaks traced to the scored surface or worn clearance actually causing them. Ontario's equipment list runs beyond the warehouse walls, too: airport ground-support machines, construction fleets building the next industrial phase, refuse and municipal trucks, and farm equipment on the city's eastern edge all feed from the same hydraulic principles and the same bench. If it lifts, steers, clamps, dumps or drives by oil pressure, its failure modes are ones we measure daily.

Hydraulic repair · Serving Ontario, CA

The full hydraulic bench, ten minutes from Ontario's yards

Most repeat hydraulic failures in logistics service share one biography: a reseal kit installed over a rod with chrome worn through, or a pump swapped while the contaminated oil that destroyed it stayed in the tank. Our bench refuses that script. Every Ontario component is torn down and measured — bore, rod straightness and chrome, piston and gland wear, pump and motor clearances — and the system behind the symptom gets inspected with it. Repairs are then matched to evidence: an honest reseal where seals truly are the whole story, rod manufacture and pump rebuilding where they are not, and pressure and function testing before anything is released back to a working yard. Valve work belongs in that picture: control valves and spools inspected for scoring and sticking, load-holding valves tested where a drifting function could drop a load, and hose and fitting condition reported when abrasion or age makes a burst a matter of time. Ontario customers approving a cylinder rebuild can see, on the same quote, the related items the teardown exposed — each measured, each priced separately, each their decision. That is how a hydraulic repair stays a repair instead of becoming a subscription.

Brands we serviceCaterpillarParker HannifinEatonVickersBosch RexrothKomatsuToyota
Hydraulic cylinder rod and piston repair serving Ontario at LA Trucks and Tractors in FontanaHydraulic Repair in Ontario · Ontario, CA

Ontario hydraulics, Fontana bench, zero middleman

Pick-up and delivery are free, so an Ontario cylinder or pump reaches a specialist bench without a courier invoice attached. Regular hours are Monday-Friday 6 AM-5 PM, and rush service runs 24 hours a day, 365 days a year — a loader bleeding down under load at a cargo yard does not care what the clock says. Quotes are free and follow the teardown, not a guess over the phone, and you talk directly with John Clark about what we found, what it costs and how fast it can be back in service. Component turnaround is quoted from the teardown, and rush bench time is reserved for the failures that stop a building, a route or a ramp operation cold. Ontario shops and yards that run their own mechanics can also send us the component alone — cylinder, pump, motor or valve — and get it back rebuilt, tested and ready to install, with the measurements recorded so their own records stay complete.

  • Hydraulic cylinder rebuilding for Ontario logistics and cargo fleets
  • Pump and motor teardown, rebuild and bench testing
  • New rods manufactured and hard-chromed in-house
  • Drift, creep and repeat-leak diagnosis to the root cause
  • Every rebuilt component pressure-tested before release

Our 8-step repair process

A clear path from the first call to a tested component or machine returned to work.

01

Pick-up

Coordinate free equipment or component pick-up when applicable.

02

Inspection

Disassemble and evaluate the complete failure.

03

Photos & video

Document condition and findings for a clear repair conversation.

04

Repair quote

Define the recommended work and quote before proceeding.

05

Approval

Confirm scope, urgency and the practical path forward.

06

Manufacturing

Machine, weld, rebuild or reverse engineer required components.

07

Testing

Verify operation and workmanship before release.

08

Shipment

Return the completed component or equipment to service.

Frequently asked questions

Why does my forklift mast keep drifting down after new seals?

Drift usually means internal bypass — a worn piston seal, scored barrel or a valve leaking through — not the external seal most recently replaced. We measure barrel, piston and valve at teardown and quote the repair that actually holds the load.

Do you pick up hydraulic components in Ontario?

Yes — pick-up and delivery are free from our Fontana shop at 14166 Whittram Ave, Fontana, CA 92335. Call (800) 821-3404 or (949) 400-2937; we have no Ontario storefront and serve the city entirely from Fontana.

Emergency breakdown? Call the 24-hour rush line.

(949) 400-2937

Schedule service or open a repair order

Request a service call.

Include the make, model, symptoms, location, urgency and preferred service time. Your details open in a text to John so you can review them before sending.

Schedule Service / Repair Order