SKU:17-5500
The four-speed Motorshop 45W Transmission Gear Assembly delivers authentic vintage performance for Harley-Davidson WL and G models from 1941 to 1946. It uses 100% brand-new components assembled in our New York V-Twin Motor Shop and includes a replica cast transmission with a left side race installed.
Designed to accept the original primary drive and chain sprocket cover, this unit provides four gears for improved power band utilization and smoother acceleration compared with a traditional three-speed setup. The shift pattern is 1st gear forward, neutral in the center, with 3rd and 4th gears toward the rider when seated—offering intuitive, confident shifting.
Compatibility covers Harley-Davidson WL and G models from 1941 through 1946. Tech notes recommend pairing this transmission with the #18-0782 45 Clutch Pack Kit and #21-0894 Servi-Car Shifter Rod Kit for optimal operation. Additional accessories such as the 45 WL Transmission Assembly 3-Speed, the 45 inch Transmission Shifter Drum, and the 45 WL Kick Starter Arm Kit in black are available to enhance your restoration project.
Made in the USA, this transmission assembly is an ideal choice for vintage Harley enthusiasts seeking authentic performance and long-lasting reliability in restoration efforts. To view the full assembly, see our production video on YouTube!
100% brand new components assembled in our New York V-Twin Motor Shop. Assembly includes replica cast transmission with left side race installed. To view the full assembly see our entire production video on YouTube!The Motorshop 45W 4-Speed Transmission Gear Assembly is a high-quality, fully assembled component designed for Harley Davidson WL and G series motorcycles from 1941 to 1946. This transmission assembly includes essential parts such as the clutch hub nut, clutch throw-out bearing, and a 17-tooth transmission sprocket, ensuring a comprehensive upgrade or replacement for your vintage motorcycle. The case features a natural finish, with the top cover parkerized for corrosion resistance, and the right side door painted black for durability and aesthetic consistency. Assembled with the sprocket cover, clutch arm, and shift linkage, this unit offers a straightforward, quick installation process, saving time and effort during maintenance or restoration.
Built to accept the original primary drive with clutch and chain sprocket cover, this 4-speed transmission visually resembles the standard 3-speed unit but provides significantly improved performance. The additional gear allows riders to stay within the power band more effectively, resulting in smoother acceleration and better overall control. The shift pattern positions 1st gear forward, neutral in the center, with 3rd and 4th gears located towards the rider’s back when seated on the motorcycle, offering intuitive shifting for confident riding. Designed to be compatible with the original parts, this transmission's robust construction ensures longevity and reliable performance.
Tech notes recommend pairing this transmission with the #18-0782 45 Clutch Pack Kit and #21-0894 Servi-Car Shifter Rod Kit for optimal operation. Additional accessory items such as the 45 WL Transmission Assembly 3-Speed, the 45 inch Transmission Shifter Drum, and the 45 WL Kick Starter Arm Kit in black are available to enhance your restoration project or upgrade. Made in the USA, this transmission assembly is an ideal choice for vintage Harley Davidson enthusiasts seeking authentic performance and durability in their restoration efforts.
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