Hydraulic Hammer & Breaker Rebuilds

Hydraulic
Cylinder
Repair in Fullerton, ca

Professional hydraulic equipment repair for construction contractors, agriculture operations, material handling fleets, manufacturing plants, and heavy equipment operators across Southern California. We rebuild cylinders, pumps, motors, and valves that leak, lose pressure, run hot, or need complete restoration. From simple re-packs to custom manufacturing.

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Why General Engineering?

Complete Cylinder Services

Our trusted hydraulic cylinder repair service in Fullerton is your best resource when it comes to repairing you cylinders. Every cylinder we receive will be completely disassembled and inspected for worn parts and seals. Upon assessing the cause for your cylinders failure, you will be contacted with a comprehensive quote. As soon as we receive your approval we will quickly take the steps needed to repair your unit. Any new components will be manufactured by our in-house machine shop while the other components are prepared for reassembly. Once all worn components have been replaced or repaired your cylinder will be reassembled and tested.
 
This rigorous, end-to-end process ensures that your heavy-duty equipment is returned to the field with the reliability and performance of a brand-new unit. Whether your operations span mining, power generation, or local construction, you can count on General Engineering to deliver the precision repairs needed to minimize your downtime and keep your projects moving forward.
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Why General Engineering?

The Standard for Hydraulic Excellence

OEM-Grade Precision

Every rebuild uses high-grade seals, rods, and components machined to tight tolerances. We test every cylinder under full operating pressure before it leaves our shop.

40 Plus Years of Expertise

Since 1978, General Engineering has been the region's trusted name for hydraulic repair. We've seen and solved virtually every failure mode imaginable.

Fast Turnaround

Standard repairs complete in 3–5 business days. Rush 24-hour service available for critical breakdowns. We know production stops for no one.

On-Site & In-Shop

Can't bring the machine to us? Our field technicians travel to your facility across Chino, LA, the Inland Empire, and all of Southern California.

Warranty Backed

All cylinder repairs carry our workmanship warranty. If it fails due to our repair, we fix it period. That's our commitment to quality craftsmanship.

Competitive Pricing

Repair costs significantly less than replacement. Our transparent quoting process means no surprises you know exactly what you're paying before we begin.

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ENGINEERING CAPABILITIES

Honed tube manufacturing

Seamless steel tubing cut, bored, and honed to your exact bore and stroke. Finished to a 16–32 µin Ra surface for leak-free seal life and low friction.
 

Precision-turned pistons

Turned and ground to exact OD tolerances with machined seal grooves. Compatible with all standard elastomer, PTFE, and composite seal kits.
 

Rod gland & end cap fabrication

Glands machined with rod-seal, wiper, and retaining-ring grooves to your print. Thread forms, port locations, and flange patterns matched to the original head.
 

New rod manufacturing & re-chrome

Rods turned from 4140 or 1045 stock, hard-chrome plated, and precision-ground to final diameter. We also re-chrome worn OEM rods 
 

Other Equipment

Heat exchangers, homogenizers, and industrial components.

Frequently Asked Questions

Standard repairs typically take 3-5 business days. Emergency 24-hour “hot-rush” services are available for critical failures.

Yes, every cylinder undergoes 100% full-cycle dynamic pressure testing up to 5,000 PSI to ensure seal integrity and performance before it leaves our shop.

Absolutely. We specialize in hard chrome plating and precision grinding to restore scored or pitted rods to original OEM specifications or better.

We support a wide range of sectors including Food & Beverage, Aerospace, Construction, Wastewater, and Pharmaceutical manufacturing.

All our repairs are backed by a comprehensive warranty on parts and workmanship, reflecting our 40-year commitment to industrial excellence.
 
 

Get Your Cylinder Back to Work

Talk to a technician today. Free estimates, honest timelines, and repairs that last.
Call for a Free Estimate

Serving Fullerton, CA and all of Southern California · Open Mon–Fri 7AM–5PM