A planetary gearbox, also known as an epicyclic gearbox, is a gearbox with three components: a sun gear, a planet carrier (which holds two or more planet gears), and a ring gear. A planetary gearbox can produce a lot of gear reduction in a small package.
The Planetary Gearbox Reducer Replacement of Brevini Riduttori EL251 is a type of planetary gearbox that has several unique features, including:
As seen in the images below, the EL251 model has a similar design to the Replacement of Brevini Riduttori, with a sun gear, planet gears, and a ring gear. This ensures that the performance parameters are highly comparable, making it an ideal replacement for the Replacement of Brevini Riduttori.


Industry series planetary gearbox can be used in various applications, such as:
Depending on the application, a planetary gearbox may be used in different parts of the machinery and will have different functions. For example, in an automotive transmission, the planetary gearbox is used to achieve different gear ratios for different driving conditions. In robotic arms, the gearbox is used to control the movement of the arm.

When replacing an old planetary gearbox, it is important to consider the following parameters to find a suitable replacement:
Each parameter is important and needs to be carefully considered to ensure compatibility with the machinery. For instance, the installation size must be the same as the old gearbox to fit into the machinery correctly, while the output torque must be suitable for the machinery's requirements.
It is important to replace the old planetary gearbox when signs of wear or damage appear, such as:
Replacing the old gearbox promptly can prevent further damage and ensure the machinery's smooth operation.
We are a company established in 1988, specializing in the production of rotary drives, wheel drives, track drives, winch drives, and planetary gear reducers. Our gearboxes are used in various industries, including engineering machinery, petroleum, coal, geological exploration, shipping, metallurgy, solar energy, wind power generation, agriculture, and environmental protection. Our products have gained international recognition for their quality after years of development. We export gearboxes worldwide, including Southeast Asia, the Middle East, Germany, the United States, Canada, Spain, Australia, Turkey, and India. Our company is constantly evolving and strives to meet the needs of our customers, no matter where they are located.
Our company is located in Ningbo and operates manufacturing facilities for NB3 series planetary gearboxes, NB4 series walking gearboxes, NB7 series rotary gearboxes, and NB6 series wheel drive planetary gearboxes. We have over 10,000 configurations of gearboxes, making it possible to satisfy any application requirements. Our gearboxes have passed ISO9001:2030 certification. In terms of installation size and technical performance, our industrial gearboxes are comparable or similar to similar products from world-renowned brands, making them interchangeable. We can also provide custom gear reducers if needed.
Author: Miya
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