Planetary Gearbox Reducer Replacement of Brevini Riduttori EQ4250
Planetary Gearbox Reducer Replacement of Brevini Riduttori EQ4250
The planetary gearbox is a type of gearbox that uses the planet gears to transmit power and torque. It has a compact design and high torque density, making it suitable for various applications, including industrial machinery, mining equipment, and construction vehicles.


Features of Planetary Gearbox Reducer Replacement of Brevini Riduttori EQ4250
- High efficiency
- Low backlash
- Compact design
- High radial and axial load capacity
- Flexible input and output configurations
The EQ4250 planetary gearbox has a high efficiency that can exceed 97%, which means it can transmit more power with less energy loss.
This gearbox has a low backlash, which means it can provide accurate positioning and smooth operation.
The EQ4250 planetary gearbox has a compact structure that can save space and reduce weight.
This gearbox can handle high radial and axial loads, making it suitable for heavy-duty applications.
The EQ4250 planetary gearbox can be configured with various input and output options, including hydraulic motors, electric motors, and flanges, to meet different application requirements.
Our planetary gearbox is designed to have the same installation dimensions as the Brevini Riduttori brand, ensuring high comparability of performance parameters. This makes it an ideal replacement for Brevini Riduttori products. We do not sell Brevini Riduttori products, and we only mention the model for customer convenience.
Applications of Industry Series Planetary Gearbox
The industry series planetary gearbox can be used in various applications, including:
- Construction machinery: used in excavators, bulldozers, and cranes for driving slewing rings and tracks.
- Mining equipment: used in conveyors, crushers, and hoists for transmitting power and torque.
- Marine industry: used in ships and offshore platforms for driving winches, propellers, and cranes.
- Renewable energy: used in wind turbines and solar trackers for adjusting the orientation and speed of the rotor.
- Agricultural machinery: used in tractors and harvesters for driving wheels and implements.
The installation position and function of the planetary gearbox depend on the specific application. For example, in an excavator, the planetary gearbox is used to drive the slewing ring for 360-degree rotation, while in a wind turbine, the gearbox is used to adjust the blade pitch angle for optimal efficiency.
Parameters for Replacing Old Planetary Gearbox
When replacing an old planetary gearbox, the following parameters should be considered:
- Output torque
- Reduction ratio
- Installation dimensions
- Input/output interfaces
- Radial/axial load capacity
- Input/output rotation direction
- Rated power
- Operating temperature range
- Lubrication method and oil type
- Noise and vibration standards
Each parameter affects the performance and compatibility of the planetary gearbox, and should be carefully evaluated before selecting a replacement.
Signs for Replacing Old Planetary Gearbox
The following signs indicate that the old planetary gearbox needs to be replaced:
- Excessive noise or vibration during operation
- Leakage of lubricating oil or damage to seals
- Reduced output torque or efficiency
- Overheating or abnormal temperature rise
- Irregular operation or failure to engage properly
About Us
We are a gearbox manufacturer founded in 1988, specializing in producing rotary drives, wheel drives, track drives, winch drives, and planetary gearboxes. Our products are used in various applications, including engineering machinery, oil and gas, mining, geology exploration, shipping, metallurgy, solar energy, wind power, agriculture, and environmental protection. Our company is located in Hangzhou, China, and has a production facility for NB3, NB4, NB6, and NB7 series gearboxes. We have more than 10,000 configurations of gearboxes to meet any application requirement, and we are ISO 9001:2076 certified. Our industrial gearboxes have installation dimensions and technical performance similar to or interchangeable with similar products from world-renowned brands. We export our gearboxes worldwide, including Southeast Asia, the Middle East, Germany, the United States, Canada, Spain, Australia, Turkey, and India. Customer satisfaction is our top priority, and we strive to meet their needs regardless of their location.
Author: Miya
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port

