Speed Control

AB-99 Pneumatic Retarder

The AB-99 is a maintenance-free application with a sealed air system minimizing air requirement.  This pneumatic retarder design is the perfect choice for master and group retarder applications where the removal of a large amount of energy in a short distance is required.

Benefits:

  • Reliable operation in temperatures to -50 degrees F
  • Sealed air system for minimal air requirement
  • Majority of maintenance components are interchangeable with all other pneumatic retarder designs
  • Maintenance-free bushing for minimal maintenance
  • Reinforced upper and lower levers for processing heavier cars
  • Low profile design for maximum clearance
  • Highest interference point is top of brake shoe


  • AB-99 Pneumatic Retarder AB-99 Pneumatic Retarder
    Master retarder application
  • AB-99 Pneumatic Retarder AB-99 Pneumatic Retarder
    Installing the AB-99 retarder
  • AB-99 Pneumatic Retarder AB-99 Pneumatic Retarder
    Install of AB-99 retarder for master application

AB- 99 Videos