Forward Reverse Gear Box Transmission Kit with 16.7in Drive Shaft Differential Case for 110cc–150cc Horizontal Engine ATV Go Kart Buggy Quad Shaft Drive System Replacement
Forward & Reverse Transmission Function Designed to provide smooth forward and reverse switching for shaft-driven ATV, go-kart, buggy, quad, and utility off-road vehicles.
Complete Drivetrain Assembly Kit Includes gear box, 16.7 inch (425mm) drive shaft, and differential case for full transmission system replacement or upgrade.
Heavy-Duty Gear Construction Hardened internal gears and reinforced housing ensure reliable torque transfer and long-lasting performance under off-road use.
Precision Shaft Connection Design 6-spline 12mm input shaft and 20mm output shaft provide stable power delivery and secure drivetrain engagement.
Wide Compatibility for 110cc–150cc Engines Fits most horizontal shaft engine setups used in ATV, go-kart, buggy, quad, and similar utility vehicles (verify dimensions before installation).
Description
This forward and reverse gear box transmission kit is designed for shaft-driven off-road vehicles powered by 110cc to 150cc horizontal engines. It provides a complete drivetrain solution, allowing smooth switching between forward and reverse operation.
The kit includes a transmission gear box, a 16.7 inch (425mm) drive shaft, and a differential case assembly. Together, these components ensure efficient torque transfer and stable drivetrain performance across various terrains.
Built with hardened gears and a reinforced housing, this unit is engineered for durability and long-term use in demanding off-road environments. The precision-machined 6-spline input shaft and 20mm output shaft help maintain secure connection and reliable power delivery.
This system is widely compatible with many ATV, go-kart, buggy, quad, and utility vehicle builds using 110cc–150cc horizontal engines. It is ideal for replacement, upgrade, or DIY custom projects.