Worm Reducer-Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer-with Torque Arm Double/Triple Reduction 871
This is a brief introduction of the Worm Reducer-Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer-with Torque Arm Double/Triple Reduction 871. This gearbox has a driving power of up to 45 kW with efficient energy-saving right-angle drive, multiple mounting options, and available ratios from 8:1 to 16,000:1, which can be interchangeably used with leading competitors in the market without the need for modifications, and can accept standard IEC motors.
The modern design technology and high-quality components of the C-series helical worm gear reducer outperform any other gearbox in terms of the lowest cost/Nm. The C-series right-angle series offers a highly efficient and compact solution that can meet most requirements. Our company provides Fenner brand replacement helical worm gearboxes, which are of good quality and affordable. It is important to note that our products are replacement parts, not original parts. If you need to purchase original parts, please contact the original supplier. Below is an image of our replacement helical worm gearbox for Fenner:

Features
- Available ratios from 8:1 to 16,000:1, with a maximum torque of 10,000Nm
- 8 different sizes, with bore sizes ranging from 20mm to 90mm
- Efficient energy-saving right-angle drive, with efficient gear transmission to save energy and operating costs
- Interchangeable with other manufacturers' products in terms of size
- Innovative motor adapter using standard IEC interface
- Oil-free sealed reducers prevent oil leakage when the motor is disassembled
- Multiple mounting options including base, flange or shaft mounting
Below is an image showing the different mounting positions:

The worm reducer is composed of several parts. Below are the main components and their functions:

- Worm shaft: transmits the motion and power from the input shaft to the worm gear
- Worm gear: meshes with the worm shaft to transmit the motion and power to the output shaft
- Housing: provides support and protection for the internal components
- Output shaft: transmits the motion and power to the driven equipment
- Bearing: supports the shafts and reduces friction
- Oil seal: prevents oil leakage
- Input shaft: transmits the motion and power from the motor to the worm shaft
- Motor adapter: connects the motor to the reducer
The worm reducer can be used in various applications, including:
- Conveyor belts
- Agitators and mixers
- Hoists and cranes
- Pumps and fans
- Printing machines
Below is an image of a worm gear reducer in use:

Installation, Lubrication and Maintenance
The performance of the reducer depends on correct installation, lubrication, and maintenance. Here are some guidelines for installation:
- Shaft Mounting: Ensure that the shaft of the gear unit and the hole of the gear unit are clean and free of burrs. Apply a sufficient amount of lubricating oil to the shaft and hole to assist assembly and prevent frictional corrosion. Slide the device onto the drive shaft and install the key.
- Foot Mounting: Mount the device firmly on a sturdy structure. Install an output extension shaft if needed. The connection between shafts should use an elastic coupling, and ensure that the deviation of the shaft is within the range of the coupling. When installing pulleys or sprockets on two shafts, install them as close as possible to the gearbox. Do not hit the shaft when installing or removing transmission components, as this will damage the bearings.
Here are some guidelines for lubrication:
- Oil Change: Gearboxes of sizes 870 and 871 are lubricated for life except when working in explosive environments. All other gearbox sizes require oil changes based on the operating temperature of the equipment. New gearboxes should have half of the oil changed after 1000 hours of operation, one year, or the designated service life.
For maintenance, please take note of the following:
- Keep the gearbox clean and check for oil leaks regularly.
- Check the oil level regularly and change the oil according to the recommended schedule.
- Check the torque of the bolts and nuts regularly.
- Replace the oil seal in time if there is oil leakage.
- Replace the bearing in time if there is abnormal noise or vibration.
Below is an image of a worm drive motor:

Fenner Helical Worm Gearbox Replacement
Our company provides a replacement for Fenner brand helical worm gearboxes. Here are some advantages of using our replacement:
- Good quality and affordable price
- Our products are replacement parts, not original parts
- Interchangeable with other manufacturers' products in terms of size
- Efficient energy-saving right-angle drive, with efficient gear transmission to save energy and operating costs
- Multiple mounting options including base, flange or shaft mounting
Here is an image of our worm gear reducer:

Motors for Worm Gear Reducers
Worm gear reducers and electric motors are closely related and their compatibility is crucial for the performance of the entire system. At our company, we also provide various types of electric motors for sale. Choosing the right motor for the worm gear reducer is important to ensure optimal performance. It is important to note that the output torque and speed of the motor must match the input torque and speed of the reducer. Below is an image of some of our electric motors:

About Ever-power
Ever-power is a comprehensive transmission equipment manufacturer that integrates research and development, manufacturing, and sales of speed reducers. With more than 15 years of experience in the design, production, manufacture, and sales of gearboxes, we serve customers in Europe, America, Africa, Asia, and more, and have won the praise of the market. Our consistent mission and vision over the years have led us to introduce advanced production equipment and testing equipment at home and abroad, employing industry professionals and technicians to carry out innovative research and development and manufacturing. We use standardized production management methods to strictly control every aspect of the production of reducers, over the years has been to provide customers with high-quality, high-energy-efficiency, high-stability production.
Our gearboxes are widely used in various industries, including the equipment industry, food industry, car washing industry, packaging industry, transmission industry, automation industry, solar energy industry, and more. We provide the best services, highest product quality, and most competitive prices to our customers. Our main customers are located in Europe and America, and we enjoy a good reputation in the industry. We encourage customers to explore our products and contact us for purchasing. Below is an image of our worm gearbox factory:

Q&A
| Question | Answer |
|---|---|
| What is the driving power of the Worm Reducer-Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer-with Torque Arm Double/Triple Reduction 871? | The driving power of the Worm Reducer-Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer-with Torque Arm Double/Triple Reduction 871 is up to 45 kW. |
| What are the available ratios for the Worm Reducer-Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer-with Torque Arm Double/Triple Reduction 871? | The available ratios for the Worm Reducer-Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer-with Torque Arm Double/Triple Reduction 871 range from 8:1 to 16,000:1. |
| Is the gearbox lubricated for life? | Gearboxes of sizes 870 and 871 are lubricated for life except when working in explosive environments. All other gearbox sizes require oil changes based on the operating temperature of the equipment. |
Additional information
| Edited by | Zqq |
|---|
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




