Power Test, Inc.

Torsional Dampeners

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The Power Test Engine-Mounted Torsionally Resilient Coupling is used to provide dampening of high-amplitude torsional vibration during engine testing.

  • Minimize the transmission of engine vibrations to the dynamometer
  • Moves the driveline natural frequency speeds outside the engine operating range
  • May be supplied with drive flange adapter plates to adapt to SAE 1810, 1710, 1610, and 1410 engine crankshaft adapters (sold separately)
  • Coupling can be mounted to matching SAE flywheel pattern by removing drive flange adapter plate and bolting directly to flywheel


  • Spec Sheet
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