HET: High-Efficiency Traction Control

Bosch Rexroth's high-efficiency traction control automatically switches between two-wheel and all-wheel drive.

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Bosch Rexroth introduces its latest single-wheel drive solution for compact vehicles, the  high-efficiency traction control (HET).

  • Enables fully automatic switch from two-wheel to all-wheel drive
  • Combines high energy efficiency with a high level of driving comfort
  • Allows compact vehicles to operate efficiently with two-wheel drive on normal roads, and provides optimal all-wheel drive characteristics for difficult terrain
  • Fully automatic all-wheel drive actuation feature kicks in immediately when needed and helps improve operator comfort
  • Features compact design and easy installation without any electronics
  • If the main drive axle's torque is reduced as a result of slippage, distribution is balanced by automatically actuating the front wheels' motors which activates the ancillary drive as needed
  • Prevents oil from becoming hydraulically clamped between wheels with varying levels of grip
  • Specially developed HET valve block ensures excess hydraulic oil caused by natural slip is directed to low-pressure side of circuit to improve efficiency
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