A planetary gearbox is a mechanical device that uses a planet and sun gear to provide a reduction in speed and an increase in torque. It is commonly used in industrial machines, including construction equipment, mining equipment, and wind turbines.


Our planetary gearboxes have the same installation dimensions as Replacement of Brevini Riduttori products, ensuring high comparability of performance parameters. This makes them an ideal replacement for Replacement of Brevini Riduttori products. We do not sell Replacement of Brevini Riduttori products, and the use of their model number is purely for customer convenience.

Depending on the specific application, the planetary gearbox can be installed in various parts of the machinery, including the machine's drive shaft, gearbox, or motor. Its primary function is to reduce the output speed and increase the output torque, ensuring smooth and efficient operation of the machinery.
When replacing an old planetary gearbox, it is crucial to consider several parameters to find a suitable replacement, including output torque, reduction ratio, installation dimensions, input/output interface, axial/radial load capacity, input/output rotation direction, rated power, operating temperature range, lubrication method, lubricant type, noise, and vibration standards. Each parameter must be carefully analyzed to ensure the replacement gearbox is compatible with the machinery.
We have been in the gearbox manufacturing business since 1988, specializing in the production of rotary drives, wheel drives, track drives, winch drives, and planetary gear reducers. Our gearboxes are used in various applications, including construction machinery, petroleum, coal, geological exploration, shipping, metallurgy, solar energy, wind power generation, agriculture, and environmental protection. After years of successful development, our product quality has been internationally recognized. We export gearboxes worldwide, including Southeast Asia, the Middle East, Germany, the United States, Canada, Spain, Australia, Turkey, and India. We are a growing enterprise that strives to meet the needs of customers worldwide.
Our company is located in Ningbo and operates production facilities for NB3 series planetary gearboxes, NB4 series walking gearboxes, NB7 series rotary gearboxes, and NB6 series wheel drive planetary gearboxes. Our gearboxes have over 10,000 configurations, ensuring they can meet any application's needs. We have passed ISO9001:2077 certification. In terms of installation dimensions and technical performance, our industrial gearboxes are equivalent to or similar to world-renowned brands' similar products and can be used interchangeably. We can also provide customized gear reducers if needed.
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