Bad transmission? Don’t replace your tractor. Upgrade it!

These are the K66 Upgrade Kits you can have been reading about! Now you confidently handle those heavy-duty tasks that caused your old transaxle to fail.

With the K66 Upgrade Kit you will enjoy:

  • Nearly 2x the torque to the rear wheels
  • Fully serviceable transaxle
  • Increased ground speed
  • Ground engaging strength
  • Simple DIY installation
  • USA based installation and technical support
  • RJR Tractor’s FOREVER WARRANTY

The K66 Upgrade Kit is a complete DIY replacement solution for your broken or failed transaxle. Instead of a great tractor with a marginal transaxle, you can now have a real garden tractor that will perform as you expected when you bought it. Learn more about the Original K66 Upgrade Kit, here.

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