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Technical features

  • Switches from drive- to brake-mode within one engine cycle
  • Easy to integrate in existing cylinder heads
  • Lost motion system with reset function guarantees the same valve closing profile in brake and drive mode
  • Upgradeable with Hydraulic Lash Adjustment (HLA) within the same packaging
  • Optimized for low oil consumption in both braking and driving mode
  • Limited load on cam by operating only one of the two exhaust valves, without sacrificing braking power
  • Allows calibrated Exhaust Gas Recirculation (EGR) lift, maximizing the braking power by managing the mass of gases to be compressed
  • Compatible with 12 volt and 24 volt electrical architectures


Medium- and Heavy-duty vehicle engines with overhead cam as well as overhead valve configurations.