Auxiliary Springs

Enable high lateral deflections in combination with air springs in secondary suspensions. Ensure emergency ride in case of loss of air pressure in the air spring system.

Auxiliary springs are an essential part of the secondary suspension beside the air spring. Different designs provide different performance according to customer requirements concerning dynamic properties of the air spring system, its lateral deflection and emergency ride.

Auxiliary Springs


  • Support high lateral deflections in secondary suspensions
  • Enable emergency ride of trains


  • Different designs available:
    • Half Hour Glass Springs
    • Conical springs
    • Layer springs
    • Combination of springs