Expander bolt

Permanent Solution to Lug Wear

Expander System pivot pin technology provides a permanent solution to lug wear. The system can be installed directly into the lugs of a new machine or be used as a spare part for repairs, eliminating the need for expensive welding and line boring.

Prevent lug wear from the first installation

Experts in the design and manufacture of machinery deserve to partner with experts in pivot pins. Whatever your machine, industry or application, we will create the perfect pivot pin for your assemblies.

From structural strength calculations to the dimensioning and production of your complete pivot pin axle – our personalized service will accompany you throughout the pivot pin creation process.

Our manufacturing facilities in Europe and the United States guarentee a speedy delivery, wherever you are in the world. With your pivot pin project in safe hands, you can dedicate more time to other areas of the machine building process. 

Expander System is used by many OEMs, including Caterpillar, Komatsu, Volvo and John Deere. 


  • Increase your customer satisfaction with a permanent solution to lug wear
  • Offer your customers the market’s best lifetime and total cost solution
  • Access technical support and an engineering team that understands your pivot issues
  • Safety stock handling
  • Access all pivot pin designs, place orders and follow production stages in the Expander web shop
  • Order Tracking

Each Expander System comes with a full Lifetime Warranty. We guarantee that your solution will perform as expected from the moment it is installed until the end of its intended lifecycle. 

Customer success stories

Buy Expander System Online For Your Repairs

Order from our Web Shop quickly and easily – choose from 60,000 different pin applications for over 10,000 machines.

To order, select your pin from our ready-to-order menu or fill in your pivot data on the dimension sheet and our engineers will contact you with a suggested solution.

Whatever method you choose, we guarantee that Expander System will solve your lug wear problem – once and for all!

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