Flender Gearbox Repair – The Best Repair Service (Free Pickup)

We Specialize On Rebuilding Re-Manufacturing & Reverse Engineering Services On Flender Gearboxes

At National Gear Repair We Offer Free Pick Up Delivery And Free Quotes On All Flender Gearbox Repair Offering 24/7 Emergency Rush Services. We Also Stock & Manufacture All Flender Gear Sets & Shafts

flender gearbox repair

Experience qualifies us to work with Flender Gearboxes

Our extensive experience qualifies us to work with Flender Gearboxes from a broad range of manufacturers. As with all of our gearbox services, our gearbox rebuild and repair services conform to ISO standards. Contact us for more information on our capabilities and rush service.

Flender Gearbox Rebuild, Repair, and Emergency Services

Once your Flender gearbox arrives at our facility we disassemble, clean, inspect and measure all gears and shafts and determine if your Flender gears and shafts are qualified to be repaired. If the Flender gears and shafts are not repairable,  we have the capabilities and expertise to manufacture all new Flender gears and shafts such as Helical, Double Helical, Herringbone, Split Herring bone, Bevel, Spiral Bevel, Spur Gears, Ring Gears, Eternal Ring Gears, Rack & Pinion, Worm Gears, Double Enveloping Worm Gears, Hypoid Gears, Screw Gears, Plus More! Once your Flender gearbox is repaired we then do a six hour test run for overheating, vibration, and leaking to ensure our 24 Month Guarantee. National Gear Box Repair can do all of these repairs and rebuilds at a considerable amount of saving rather than buying a new Flender gearbox.

Flender is an incredibly impressive brand known as an industry leader for each of its innovative gearbox units. Ranging from Helical and Bevel-Helical Gearboxes to Planetary gear units, and custom application-specific gearboxes, there's an endless variety for customers to choose from and customize according to their specific needs. Every significant power-related industry, pulp and paper, wastewater, and food and beverage, or even sugar rely on Flender. As a significant player in the gearbox industry, they aim to deliver performance and reliability at a reasonable price. Each of their gearboxes is considered to be a universal gear unit solution, and there's virtually a limitless number of design options when you choose one of their modular units. Hoisting and Luffing with Flender

At the heart of successful hoisting and luffing is a Flender gearbox. With an extensive range of gear units in varying sizes and distances, you can easily use a parallel fitting of a motor and winding drum for simple hoisting and luffing experience. When it comes to lifting, the new CHG gear unit offers an unbelievable amount of torque. To provide long-lasting stability, Flender also provides a diagnostic tool called DIAGNOSTEX, which adds sensors to your gear systems. Having precise digital measurements makes it incredibly easy to maintain your Flender gearbox and avoid costly breakdowns.

Over several decades, Flender's collaboration with its customers has resulted in the optimal engineering of the driving gearbox found in many cranes. Ideally, these would be used in container cranes, bridge cranes, casting cranes, tower slewing cranes, or drawworks.

Flender Gearbox Repair ( This needs a modifier) or we remove it. We don't want to over optimize the headers

In the event that your Flender gearbox is in dire need of repair, National Gearbox Repair will thoroughly inspect your gearbox to suit your needs. Whether it's the gearbox housing, gears, or something as simple as an O-Ring replacement, National GearBox Repair will thoroughly draft a detailed scope of work for your product. In the event that there's substantial damage to your Flender Gearbox, National Gearbox Repair can quickly produce, replace, and manufacture the parts needed to repair your gearbox and get your operation back on track. Scope of Work

Your Flender gearbox will be thoroughly inspected by an experienced engineer. A few standard scopes of work include:


  • Friction plate replacement
  • Housing Replacement
  • New Bearings
  • Clutch plate replacement
  • New Piston Retraction Springs

National Gear Repair will replace even the most obscure gearbox parts. Whether your system needs helical, double helical, herringbone, split herringbone bevel, ring gears, eternal ring gears, rack, and pinion units - they are all replaceable, and we've got all of the tools and know-how to hastily manufacture a replacement part in record time. Following a successful repair, National Gear Repair makes sure that each product is tested for several hours to ensure that it's safe to use. It will be inspected for overheating, vibration, leaking, and a wide checklist of other possible failures before being cleared.

Even in the event of a short notice order, National Gear Repair has a 24/7 emergency rush service to get your Flender system inspected, drafted, repaired, and sent back over to you in a timely fashion.

Flender gearbox repair and rebuild
Flender gearbox repair and rebuild
Flender gearbox repair
Flender gearbox repair rebuild
Flender gearbox repair rebuild

Call National Gear Repair Today, for all of your Flender Gearbox repair and rebuilds your company needs!