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DD Precision 4WD

The DD Precision 4WD is a very versatile machine, capable of running any 2wd or 4wd vehicle including Motorcycles, Quad Bikes and Go Karts.


  • Can run very low power up to 2400 Horsepower at the wheels
  • Runs Front Wheel Drive, Rear Wheel Drive, Four Wheel Drive
  • Test Cars, Trucks, RV, Go Karts, Quad Bikes and Motorcycles
  • Measure HP, Torque Time, Tractive effort rpm etc
  • Measure AFR / Lambda
  • Automatic weather station Air Temperature Correction
  • Measure vacuum / Boost
  • Thermocouple / EGT channels
  • Built in Knock detection
  • Measure RPM direct from engine / Roller speed
  • Ramp Mode for Power Graphing
  • Steady State mode for fine engine tuning
  • Fine syncronisation of  road speed between front and rear rollers
  • Optional 4WD Belt to lock rollers together (also enables 2wd cars to be tested with no ABS or Traction Stability faults)
  • The Dyno uses Intelligent Adaptive load control and will hold load perfectly every time, very useful for engine mappers