Koellmann gearbox repair and rebuild - Reliable 24/7
A & J Machine Rebuilders is your only choice for Koellmann gearbox repair. We have been industrial gearbox repair experts with over 20 years experience in repairing, rebuilding, and reconditioning your Koellmann gearbox.
We rebuild your gearbox back to the original Koellmann OEM specifications at a fraction of the cost of purchasing new equipment. We offer a free inspection and proposal service. Once the your Koellmann Gearbox is inspected for the necessary repairs, we will send a detailed report of our findings along with a proposal li sting the scope of repairs to be completed.

Free Pick Up, Delivery And Free Quotes for every Koellmann Gearbox
All Of Our Work Is Backed By Our Guarantee Not To Chip, Flake, Peel Or Wear Out, Within A Period of A 12, 24, 36 or 48 Month Warranty From Time Of Installation for each Koellmann Gearbox.
Koellmann Gearbox Repair Turnaround
We know how critical it is to get your Koellmann gearbox back in operation as quickly as possible. We’ll provide quality restoration at a fair price, as well as courteous service and quick turnarounds.
We rebuild and recondition all types of Koellmann gearboxes, speed reducers and drives. Free Pickup and Delivery!
"Koellmann Gearbox Repairs - Industry Experts in Rebuild and Repair Solutions!"
24- 48 HOUR TURN AROUND ON EMERGENCY SERVICES
Koellmann Gearbox rebuild services
We can rebuild and recondition your Koellmann gearbox(s) at a fraction of the cost of buying new and save you downtime , regardless of make or model or even if obsolete.
Every Koellmann gearbox undergoes the same 9 step process to ensure accuracy and consistency.
Although A & J Machine Rebuilders prides it self on consistent repairs in a timely manner. We also offer rush repair for Emergency breakdowns which consist of engineers working on your equipment 24/7 until your repairs are finished.
Once your Koellmann Gearbox is received, we will diagnose and send you a repair authorization and quote. The lead times on repairs can change and depend on parts availability and lead time, our current repair schedule, and actual repair times. You may call or email to request specific service for your Koellmann Gearbox and estimated repair times.
Koellmann Gearbox assessment
Our on site assessment using an endoscopic camera will provide photos of bearings and gears. We measure endplay and backlash and will compare to OEM Koellmann gearbox specs. With this information you can plan the repair and manage the cost.
We work with both OEMs and after-market gear manufacturers for the most appropriate solution for Koellmann Gearbox repairs.
We carry out Koellmann industrial gearbox repairs on
- Koellmann variable speed
- Koellmann fixed speed
- Koellmann mechanical changeover
- Worm/worm wheel
- Helical
- Helical bevel
- Spur
- Chain
- Cone or fluid
- Koellmann Seal Replacement
- Koellmann Repair and Part Replacements
- Koellmann Overhaul / Refurbishment
Providing Repairs to following Gearbox lines and many more















Quality Koellmann gearbox repair and rebuild services