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24-Hour Rush Repair
Gearbox repair · Bohmer
Bohmer Gearbox Repair in Fontana
A Bohmer gearbox rarely fails politely — it whines, it heats, it sheds metal into the oil, and then it stops the line or the machine it drives. We rebuild Bohmer gearboxes used in industrial ball-valve and process drives at our Fontana shop: complete teardown and inspection, gear-by-gear measurement, bearing and seal renewal, and in-house gear manufacturing when a gear is worn, chipped or no longer supplied. The box goes back together set to specification and tested, not just reassembled.
Gearbox repair · Bohmer
How Bohmer gearboxes wear — and what we do about it
In service, long static periods followed by high breakaway torque, drying seals and corroding internals. At teardown we record backlash, tooth contact patterns, bearing condition and shaft wear before anything is cleaned, so the quote is built on the box you actually have. Worn gears can be rebuilt up or replaced with gears we cut ourselves — ring gears, helical, bevel and worm work is done in this shop — which keeps an obsolete Bohmer unit in service instead of scrapped. Housings are checked for bore wear and alignment, seals and bearings are renewed as a set, and the finished gearbox is set up with correct preload and backlash and run-checked before release.
Brands we serviceBohmerFalkFlenderSEW-EurodriveHansenNordSumitomo
Bohmer Gearbox Repair in Fontana · Fontana, CAOne Fontana shop for gears, machining and rebuilds
Gear cutting, machining, rebuilding and testing all happen at 14166 Whittram Ave, Fontana — so a gearbox job never waits on an outside machine shop. Regular hours are Monday to Friday, 6 AM to 5 PM, with 24-hour rush and emergency service every day of the year. Talk to John Clark's team on (800) 821-3404 or (949) 400-2937 for a free quote on your gearbox.
- Bohmer gearbox teardown, inspection and full rebuild
- Replacement gears manufactured in-house, including discontinued gears
- Bearing, seal and shaft renewal set to specification
- Backlash and preload set and run-checked before release
- 24-hour rush and emergency gearbox service, 365 days
Our 8-step repair process
A clear path from the first call to a tested component or machine returned to work.
Inspection
Disassemble and evaluate the complete failure.
Photos & video
Document condition and findings for a clear repair conversation.
Repair quote
Define the recommended work and quote before proceeding.
Approval
Confirm scope, urgency and the practical path forward.
Manufacturing
Machine, weld, rebuild or reverse engineer required components.
Testing
Verify operation and workmanship before release.
Shipment
Return the completed component or equipment to service.
Frequently asked questions
My Bohmer gearbox is obsolete — can you still repair it?
Usually, yes. Because we manufacture gears in-house, a worn or broken gear that is no longer supplied can be measured and reproduced, and the rest of the box rebuilt around it.
What are the warning signs a gearbox needs attention?
New whine or rumble, rising operating temperature, metal in the oil, backlash you can feel at the shaft, and leaking seals. Caught early, most boxes need bearings and setup, not gears.
Do you handle rush gearbox jobs?
Yes — emergency and rush repair runs 24 hours a day, every day. Call (800) 821-3404 or (949) 400-2937.
Related services
Emergency breakdown? Call the 24-hour rush line.
(949) 400-2937Schedule 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.