755 W. Rialto Ave, Unit B, Rialto, CA 92376 24/7 Emergency Service — Call us: (714) 204-5167

AMERICAN GEARBOX REPAIR

Industrial Gearbox Repair | Gear Manufacturing | Industrial Pump Repair | Hydraulic Cylinder Repair

Industrial gearbox repair and rebuilding, custom gear manufacturing, and pump and hydraulic cylinder repair for customers all over the United States — done at our shop in Rialto, California, with emergency pickup & delivery nationwide.

24/7 EMERGENCY SERVICE 24–72 HOUR RUSH REPAIRS ON QUALIFYING JOBS Emergency Pickup & Delivery | Nationwide Service 24-Month Warranty

Gearbox Repair, Gear Manufacturing & Pump Services

Fast, reliable service for the equipment your operation depends on — serving plants, mines, quarries and facilities all over the United States, with pickup and delivery available.

Gear Manufacturing

Custom gears for operations anywhere in the United States — we repair and manufacture all types of gears to your exact specs.

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Gearbox Repair

Complete gearbox repair and rebuilding for plants across the United States — inspection, repair and maintenance done right.

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Emergency Rush Repair

Equipment down anywhere in the United States? We understand the urgency of a breakdown — call us and we'll get you moving again.

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Pump Repair

Industrial pump repair for facilities all over the United States — diagnostic testing, component replacement and preventive maintenance, performance-tested at our shop.

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Hydraulic Cylinder Repair

Hydraulic cylinder repair for operations all over the United States — inspection, resealing and rebuilding at our shop, with pickup & delivery nationwide.

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Open industrial gearbox with large polished steel gears and shafts exposed during repair

Industrial Gearbox Repair & Rebuilding

Gearboxes are vital to industrial equipment, and American Gearbox Repair excels at complete gearbox repair and maintenance for customers all over the United States. Our services include:

  • Inspection and Diagnosis: Detailed assessments to spot wear, damage, or misalignment.
  • Repair and Rebuilding: Restoring gearboxes to OEM specs — replacing worn parts, optimizing clearances, and validating performance.
  • Custom Solutions: Tailored upgrades or modifications to meet unique operational demands.

We also provide pickup and delivery for a seamless experience — anywhere in the United States. Our work enhances efficiency, reduces downtime, and is backed by a 24-month warranty.

We repair all major brands, including Lufkin, Falk, Dodge, Hansen, Flender, Foote-Jones and Sumitomo.

Gear Manufacturing

Beyond repairs, we produce high-quality gears engineered for your exact needs — for shops and plants all over the United States. Our gear manufacturing capabilities include:

  • Custom Gear Cutting: Precise custom gear cutting for spur, helical, bevel, and other gear profiles.
  • Material Selection: Matching alloys and treatments to your load and environment.
  • Advanced Machining Techniques: CNC grinding and finishing that meet or exceed OEM tolerances.

From one-off prototypes to large production runs, we deliver on time and on budget — serving customers all over the United States.

Large gearbox main shaft and helical gear assembly resting in its housing during rebuild
Technician working on a large industrial gearbox in a repair shop

Industrial Pump Repair

Pumps keep processes moving, and our full-service pump repair program ensures they stay efficient for facilities all over the United States:

  • Diagnostic Testing: In-depth diagnostic testing pinpoints issues quickly.
  • Component Replacement: High-quality parts restore full functionality and reliability.
  • Preventive Maintenance: Scheduled preventive maintenance programs that reduce failures and lengthen service life.

Every rebuilt pump is performance-tested and covered by our warranty. We service centrifugal, positive-displacement, and rotary-vane pumps for facilities all over the United States, with pickup and delivery available.

Hydraulic Cylinder Repair

When a hydraulic cylinder is leaking, drifting or not holding load, we inspect it, identify the cause and repair or rebuild it at our shop in Rialto, California — for customers all over the United States.

  • Inspection and Diagnosis: A thorough check of the barrel, rod, seals and fittings to find wear, scoring or damage.
  • Repair and Rebuilding: Resealing, rod and component replacement, and rebuilding to restore reliable operation.
  • Testing: Repaired cylinders are checked at our shop before they go back to work.

We arrange pickup & delivery to our shop nationwide. Learn more about hydraulic cylinder repair →

Also from American Gearbox Repair

Every repair is backed by our 24-month warranty. Turnaround depends on equipment condition, required parts, job complexity and availability.

Serving All Over the United States

All three services — gearbox repair, gear manufacturing and pump repair — for plants, mines, quarries and facilities anywhere in the United States, with pickup and delivery nationwide and a 24-month warranty.

All Over the United States

Gearbox, gear and pump service for operations anywhere in the United States — wherever your plant, mine, quarry or facility is, we'll arrange pickup and delivery.

  • Gearbox repair & rebuilding
  • Custom gear manufacturing
  • Industrial pump repair
  • Emergency rush repair

Pickup & Delivery Nationwide

Gearbox, gear and pump service anywhere in the country — mining, aggregates, manufacturing and processing operations, with pickup and delivery arranged nationwide and emergency rush service available.

  • Gearbox repair & rebuilding
  • Custom gear manufacturing
  • Industrial pump repair
  • Emergency rush repair

See our service areas →
Based in Rialto, California — serving customers all over the United States — call (714) 204-5167 and we'll arrange pickup and delivery.

Industries We Serve

Gearbox, gear, pump and hydraulic cylinder service for the operations that depend on heavy equipment — anywhere in the United States.

Manufacturing

Gearbox, gear and pump repair for plants and processing facilities, with pickup & delivery to our shop nationwide.

Mining & Aggregates

Heavy-duty gearbox and gear service for mines and quarries, including rush and emergency repair.

Processing & Facilities

Pump and hydraulic cylinder repair for facilities that need equipment back in service with minimal downtime.

And More

If it runs on a gearbox, a gear, a pump or a hydraulic cylinder, talk to us. See industries →

Repair Experience With Major Brands

We repair gearboxes, gears and pumps from the brands below — and many others. Tell us the brand and model when you call, and we will talk through the repair.

Lufkin · Falk · Dodge · Hansen · Flender · Foote-Jones · Sumitomo · SEW-Eurodrive · David Brown · Philadelphia Gear · Horsburgh & Scott

Repair experience with a brand is not an endorsement by, or affiliation with, that manufacturer.

Equipment down anywhere in the United States?

We offer 24/7 emergency repair and 24–72 hour rush repairs on qualifying jobs — backed by a 24-month warranty, with emergency pickup & delivery to our shop nationwide. Emergency repair →

☎ (714) 204-5167

Get In Touch

Serving customers all over the United States for gearbox repair, gear manufacturing and pump repair. Tell us what's down and we'll talk through the fastest path back to running.

American Gearbox Repair

Phone(714) 204-5167

Shop

755 W. Rialto Ave, Unit B
Rialto, CA 92376

Webamericangearboxrepair.com

The fastest way to reach us is by phone — call with the make and model of your equipment and we'll take it from there.

Request a Quote

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