BAKER OD6 Overdrive Six Speed Left Side Drive Complete Transmission for 1991-2005 Evolution and Twin Cam Dyna Big Twin Motorcycles

The OD6 is built to comfortably handle the power from today's big-inch motors. This transmission is rated for motors putting out up to 165ft/lbs of continuous use. It is available as a complete transmission with a wide variety of case options and configurations, or as a builder’s kit for your stock case application, which requires little to no modification. The BAKER OD6 is available with many optional gear ratios to match your engine torque and riding style.

  • Fits 1991-2005 Evolution and Twin Cam Dyna big twin motorcycles.

  • Available finishes are raw, wrinkle black (add $250), and show polished (add $300).

  • Features include billet 6061-T6 bearing door, 1/8" thick bearing retainer plate, redundant neutral smooth shift system, hard chrome plated shift forks, diamond cut gearset made out of 8620 steel, optional gear ratios, and all transmission seals, gaskets, and hardware.

  • Benefits include stronger than stock build quality and integrity, lower RPM for smoother highway speeds, and improved fuel efficiency.

  • Backed by a 5 year manufacturer's limited warranty from BAKER Drivetrain.


BAKER Builder's Kits come fully assembled
and ready to install into your existing
transmission case with no modifications,
shimming, or adjustments required.