Transmission Technology

Our transmission solutions provide pneumatic assistance on manual transmissions and high performance solenoid valve technology for automated manual transmission (AMT).


We provide modular and standard products for manual and automated manual transmissions.


Transmission gear-shifting control module

A compact unit that incorporates all pneumatic functions into one module for assisted transmission control:

  • Based upon our approved cartridge solenoid valve system
  • Central power supply – pneumatic and electric
  • Direct mount to customer’s specific footprint

Retarder control valves

Our pneumatic control unit for retarder features a compact integrated design, comprising proportional control valve, pressure sensor, safety shut-off valve and single connector – all in one high-performance, high-technology unit:

  • Reduced customer assembly time
  • Direct mount to customer’s specific footprints
  • Design is fully integrated into the retarder

Manual transmission control

  • Shift inhibit: Protects transmission from driver abuse and prevents down shifting at the incorrect RPM
  • Filter regulator: Regulates chassis air for use on the transmission
  • Double ‘H’ valve: assists gear shift between high/low range and can be mounted directly on the transmission

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