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Chain Driven Crank Rebuild Kit


This kit rebuilds later model chain driven upper crank assemblies. Both upper crank systems and LH chain driven cranks found on 2000 through 2002 12 foot box models.

When use in LH crank systems, the drive hub tube will be about 3 inches shorter than the factory original.  

Features a 3-1/2 inch long drive hub extension tube.

It comes with everything you need to completely rebuild the chain driven crank system. 

Included are...

  • 22 Tooth chain gear
  • Ratchet paw gear
  • Drive shaft
  • Drive shaft nut
  • 3-1/2 Inch drive hub extension tube
  • Shaft bushing
  • Pressure plate (clutch)
  • Drive shaft rear bushing
  • Beveled washer
  • Ratchet paw kit
  • Drive hub extension tube kit
  • Roll pins

Part number 4772-6600