Transmissions
Grab the incomparable BAKER Drivetrain transmission of your dreams
Our reputation was built on innovation. As the first to build a 6-speed aftermarket assembly for Harley-Davidson bikes, BAKER Drivetrain is the authority in the market. From Overdrive 6-Speeds to our Direct Drive 6-Speed and the GrudgeBox, we have the perfect transmission to make your bike run the way it should. Search through the specs to find your favorite or give us a shout to offer suggestions. Each transmission is hand-built to order right here in the USA.
GrudgeBox Builder's Kit
$ 3,695.00
The GrudgeBox is a tough overdrive 6-speed to replace your stock 6-speed! The GrudgeBox was engineered with a focus on excessive torque capacity and crisp shifting. All gears are straight...
OD6: Overdrive 6-Speed Builder's Kit
$ 3,195.00
This is the ORIGINAL 6-speed design that revolutionized the American V-Twin industry. It’s still the best overdrive 6-speed built to this day…hands down. Our OD6 is built to comfortably handle...
6-into-4 Complete Transmission
$ 4,395.00
Made to satisfy the old school tendencies while providing the ability to run reasonable RPM’s at highway speeds. Panhead and Shovelhead riders will love the ability to ride hard with...
F6R: Factory 6-Speed Reverse
$ 2,695.00
Designed, manufactured, tested, proven and beloved - the industry's leading reverse drive for Harley-Davidson is the easiest to use and most worry-free system. Our non-invasive reverse gear system was designed to...
DD7: Direct Drive 7-Speed Builder's Kit
$ 3,695.00
The DD7 upgrades any existing 2006-later big twin 6 speed to a full 7 speed transmission. The BAKER DD7 is more than just another gear added to the mix for...
4-Speed Complete Transmission
Call Us! 517-339-3835
LIMITED AVAILABILITY! GIVE US A CALL AT 517-339-3835 TO ORDER YOUR 4-SPEED TRANSMISSION NOW! Favored by those inspired by the old-school cool, garage builders and riders of the nostalgic...
DD6: Direct Drive 6-Speed Builder's Kit
$ 3,195.00
* Limited supply of chrome bearing doors with ear available. Please give us a call at 517-339-3835 to order a chrome bearing door. From an engineering standpoint, it is difficult...
DD6: Direct Drive 6-Speed Complete Transmission
$ 4,395.00
* Limited supply of chrome bearing doors available. Please give us a call at 517-339-3835 to order a chrome bearing door. If you enjoy riding for long periods of time...
DD7: Direct Drive 7-Speed Complete Transmission
$ 6,395.00
This is for a complete transmission, case and all. The sprocket/pulley is not included in the complete transmission assembly. For the acquisition of these components, kindly contact BAKER Drivetrain at...
OD6: Overdrive 6-Speed Complete Transmission
$ 4,395.00
* Limited supply of chrome bearing doors available. Please give us a call at 517-339-3835 to order a chrome bearing door. This is the ORIGINAL 6-speed design that revolutionized the...
Big Dog Motorcycle Transmission Parts
Call Us! 517-339-3835
Call us at 517-339-3835 to place your order! Big Dog Service Parts: Number DD6R-CS DD6R Counter 6th Gear Combo - 2005 DD6-1C-2.94 DD6 1st Counter - 2.94-1 DD6R-MS-2.94B...
Transmission Rebuild Kits
$ 379.00
Features This kit was put together to assist you with that high mileage rebuild. When your transmission has reached its limit of efficiency and smooth shifting, it’s time for that...
Cruise Drive Upgrade Bundle
$ 1,850.00
This discounted bundle will help repair your stock Cruise Drive transmission. Normally, these parts would cost: Part Normal Retail Cost Primary Rebuild Kit $149 for M8 applications Street Door $395...
Spectro Gear Lube
$ 30.43
Picking the right transmission fluid ensures the life and durability of your transmission, that’s why BAKER recommends a fully synthetic GL-5 rated gear weight oil of 75W-140. The Spectro Heavy...
Red Line Heavy ShockProof Gear Lube
$ 23.97
Picking the right transmission fluid ensures the life and durability of your transmission, that’s why BAKER recommends a fully synthetic GL-5 rated gear weight oil of 75W-140.The Red Line Heavy...
Spectro Assembly Lubricant
$ 5.67
Spectro Assembly Lubricant is recommended for initial scuff and wear protection in re-assembly and repair of two- and four cycle engines, as well as transmissions. A heavy-weight lubricant fortified with...
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Haslett, Michigan 48840 USA | Call Us: 517-339-3835
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