A-Ratio UltraShift PLUS Automated Transmissions

The Eaton A-Ratio UltraShift PLUS automated transmission features lower ratios and even steps to provide better performance for grade shifting on hilly and mountainous terrain.

Eaton ARatioUltrashiftPlusTransmission 54bffe61ba485
Logo Eaton 10933210

Power management company Eaton has expanded its UltraShift PLUS automated transmission offerings with the A-Ratio model which is an 18-speed MXP (Multipurpose Extreme Performance) transmission that has lower overall numerical ratios and higher torque ratings. 

  • Specifically designed for a wide range of extreme performance applications
  • Ratios and even steps deliver better shift performance to improve grade shifting in hilly and mountainous conditions
  • Can allow for unlimited payloads when designed into the appropriate driveline
  • Uses electronic clutch actuator to provide faster shifting and smoother engagement
  • Clutch fully engages at idle to give drivers excellent control in challenging situations
  • Shift selection software uses changes in grade, weight and throttle control to calculate most efficient and effective shift points
  • Features fully automated two-pedal design (no clutch pedal)
  • Provides on- and off-highway performance 
  • Includes safety features, such as auto neutral and Intelligent Hill Start Aid, which prevents roll-back and roll-forward while launching on grades using foundation wheel brakes
  • Automatic, Manual and Low modes offer full control for drivers
  • Creep Mode included
  • Can be paired to the highest torque engines available today with torque capacities ranging from 1,450 lbs.-ft. (1,966 Nm) to 2,250 lb.-ft. (3,050 Nm)


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