Best Gearboxes, Gearheads & Speed Reducers of 2026

The SpinCo Timpte Gearbox is designed as a direct replacement for your Timpte hopper door gearbox, making it easy to swap out the old part with the new one. It fits Timpte trailers from 2014 and newer, ensuring compatibility with recent models. If you have an older trailer, you can still use this gearbox by simply cutting down the shaft to the right length, giving you flexibility. The shaft length measures 26-1/4 inches, which is useful to know for proper installation. This gearbox also replaces specific Timpte and SAF Holland parts, making it a reliable and convenient choice for maintaining your trailer.

The Generic 40 HP Bevel Gearbox offers a compact size with dimensions of approximately 5.9 by 6.25 by 4.1 inches, making it easy to fit in tight spaces. Its 4.25-inch square bolt pattern with tapped holes ensures secure and straightforward mounting for your setup. The input shaft measures 1 inch by 2.25 inches and includes a keyway, allowing for reliable power transfer and easy connection to your machinery. Similarly, the output shaft matches the input in size and keyway, providing consistent performance and smooth operation. This gearbox is designed to handle up to 1800 RPM, making it a solid choice for various applications requiring right-angle power transmission.

The CNCTOPBAOS Worm Gear Motor offers reliable performance with its 120W power and adjustable speeds ranging from 90 to 1600 RPM, making it versatile for various tasks. Its sturdy construction features a high-strength alloy die-cast body and alloy steel casing, ensuring durability and long-lasting use. You’ll appreciate the motor’s thick copper coils that reduce heat and provide steady, smooth power output, enhancing efficiency and lifespan. Additionally, the use of metal gears made from hardened 40CR steel and full ball bearings means this motor can handle heavy loads and resist wear, giving you a dependable and robust gear motor for your projects.

The XUFOPLY 13HP Reducer is made from strong iron and aluminum, making it tough and able to handle high temperatures, so you can rely on it for long-lasting use. Its precise design ensures the parts fit perfectly, helping to cut your engine speed in half while boosting torque, which means better power for your machine. With 13 horsepower, this reducer helps your vehicle reach the right speed faster, saving you time. It’s also lightweight and compact, so you can install it easily without hassle. Plus, it runs quietly, reducing noise and making your work environment more comfortable.

The HOLDWELL Speed Reducer MRV063 is designed to help you control the speed and torque of your machinery efficiently. With a 30:1 ratio, it reduces the input speed significantly, which is ideal if you need precise speed control. It can handle an input power of 1.77 HP at 1750 RPM, making it suitable for moderate power applications. The reducer fits a hollow 5/8" diameter keyed shaft with a 56C mounting flange, providing easy installation and compatibility. This means you can replace your existing Lexar MRV063 with this part without hassle, ensuring smooth operation and reliable performance.

The CNCTOPBAOS Worm Gearbox is designed with a 40:1 speed ratio, making it ideal for applications where you need to reduce speed while increasing torque. Its compact size fits well with Nema34 stepper and servo motors, providing a perfect match for your motor setup. The gearbox’s precise dimensions ensure easy installation and compatibility, so you can integrate it smoothly into your projects. Additionally, the multi-faceted installation options give you flexibility in mounting, making it convenient to use in various mechanical systems.

The TOSEASTARS Nema 34 Gearbox is designed to work perfectly with Nema 34 86mm stepper motors, making it ideal for CNC machines, 3D printers, and routers. Its sturdy 86x86 mm frame and matched input/output shaft sizes ensure easy installation and reliable performance. With a high gear ratio of 100:1, you get significant speed reduction and increased torque, which helps your machine operate smoothly and efficiently at low speeds. The gearbox is built for durability with a long lifespan of 20,000 hours and operates quietly under 60dB, so you won’t be disturbed by noise while working. This combination of features makes it a practical choice for precision and heavy-duty applications.

The Greartisan High Torque Gear Motor offers durable all-metal gears that resist heat and wear, ensuring long-lasting performance even under heavy loads. Its rotor features a pure copper wire core with precise winding, boosting power output by 30%, so you get more efficient operation. The motor’s D-shaped output shaft is made from tough steel, improving impact resistance and extending the motor’s lifespan for reliable use. You can also control the motor’s speed in both directions, with a focus on reducing speed while maintaining low noise and strong torque—perfect for driving loads up to 15 kilograms at low RPMs.

The YWBL-WH Reversible Gear Motor offers a precise gear system that runs quietly and efficiently, helping your projects operate smoothly without disturbing noise. Its compact copper tube motor delivers strong performance in a small size, and you can easily change the direction of the motor just by switching the wire connections, giving you flexibility in use. The motor also features advanced ball bearings that reduce wear on the shaft, ensuring it runs smoothly and lasts longer. This motor is perfect for a range of devices, including smart home appliances, robots, and curtain machines, making it a versatile choice for your mechanical needs.

The TOSEASTARS Gearbox 5:1 is designed for 60mm servo motors with flexible input shaft options of 11mm or 14mm, making it easy to fit your specific motor needs. Its 5:1 gear ratio helps reduce speed while boosting torque, which is perfect if you require more power at lower speeds. The gearbox supports high radial and axial forces, so it can handle tough mechanical loads. Plus, its compact design saves space and allows for straightforward installation, ideal for CNC machines and other precision tools you might use. Overall, it offers reliability and efficiency for demanding applications.