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780 Series


The highly tunable 780 torque converter drive clutch can be used with your selection of several different driven diameters and spring configurations to obtain the ideal driver to driven ratios for each specific application. Torque sensitive drives are particularly suited to those applications where immediate response to torque demand is required for down shifting and where engine speed is ideally maintained at its peak rpm.

  • Optional air holes for improved cooling
  • Quiet, dependable operation
  • Field proven performance and limited maintenance
  • Multiple weight and spring calibration options allow for peak engine and overall unit performance
  • Can be used in combination with other Comet drivens for virtually every load and speed need
  • OEM and aftermarket parts available
  • Light-weight aluminum die castings provide one of the lightest, high capacity drives on the market
  • Manufactured in the USA
  • OEM applications for engines 24-100 hp available in 1-1/8″ and 1-7/16″ bores
  • Pulley ratios 3.41:1 low and 0.68:1 high
  • Drive pulley dimensions are 7.22” outside diameter. Weight is 6.84 lbs.
  • Driven pulley available in diameters of 9.91”(Model 90D), 9.83”(Model 770), 9.26”(Model 780) and 8.45”(Model 790)
  • Engine Rating: 4 cycle – 20 hp, 2 cycle- 30 hp
  • Bore size: 1” Drive
  • Engagement: 750 rpm – 3750 rpm max
  • Concrete ride-on trowels
  • Dune buggies
  • Lawn & Garden Equipment
  • Concrete buggies
  • Walk behind and ride-on trowels
  • Personnel carriers
  • Golf carts
  • UTVs, ATVs
  • Airplane tugs