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High efficiency reduction gearbox 50:1

Product Description

High power  Industrial Gearbox

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                           WAH SERIES                                 PC SERIES   COMBINATION OF RV SERIES


WUMA WH series parallel shaft and WB series right angle shaft industrial gearboxs are a new design. Their outstanding innovations are shown as below:

1)More sizes with a reduced variety of spare parts.

2)Higher operational reliability combined with increased power capacity.

3)Combination of output shaft and output flange to facilitate assembly of reducers in confined spaces (on request).

Mounting Position

1)WH/WB series Gearbox can be supplied with either horizontal or vertical installation.

2)Other mounting positions can be supplied upon customer’s request.

3)Input flange to connect with motor and torque arms are standard configuration

The Characteristics Of Gear Noise

New design concepts have be applied to improve the characteristics of gear noise through following ways:

1)Designing noise-absorbing housing structure

2)Adopt exceptionally large ratio of gear face contact

Thermal Conduction

WH/WB series gearbox does not only have high transmission efficiency, but also has a fine thermal conduction. It is by means of following ways:

1) Enlarge the surface area

2)Applying a large fan and a new type of diversion fan cover.

3)The selection of WUMA gearbox is based on a lower maximum allowed oil temperature. As a result, the operation reliability of equipment will be increased and the cost of maintenace will be reduced due to longer oil changing cycle.

  Two-Stage Three-Stage Four-Stage
Model Type   WB2-01 to WB2-18, 12 models in total


  WB3-03 to WB3-26,24 models in total   WB4-05 to WB4-26, 18 models in total
  Ratio   5.0~18   12.5~90   80~400
  Power                                                  18~822 KW


These data and parts can be changes as your requirements.

1,Housing Design,Ratio,etc.

2,Key Spare Parts(Bearing/Oil Seal).


4,Name Plate.

5,Oil Brand.

 We can develop as customers' samples and drawings. 

Quality Control

 We do 100% run test before despatch.Each item being tested for two hours, and each side for one hour.



Company information

Zhejiang Wuma Reducer Co., LTD. is a company specializing in research, development and  production of various speed  reducers and variators etc.  It is a member of China  Speed  Reducer and Variator Industrial Association.

Our main products are RV series worm reducer, MB,MBN series variator, WR ,WK ,WF  series helical gear reducer,  WS series helical-worm gear reducer,   WH/WB series high power reducer and WAH series hypoid gear reducer etc.We can also provide customised products.The products  have serialized and modularized  advantages, and have been widely used  in the driving fields and transmission for all types of industries.

Our company has internationally and domestically advanced gear grinders, machining center and  gear  inspection center, as well as universal tool microscope etc. testing and machining equipmentWe have an  annual production capacity of  200,000 sets of reducers. 

We manufacture according to the ISO9001:2000 quality control system. In 2001we obtained  self-operating import and export qualification certificate.  The products have been  widely used  all over China and  exported to Europe,  America, HongKong, Taiwan,  outh America and  Southeast Asia etc.


Contact Us

Contact us if you need more details on Reduction Gearbox 501. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Precision Reduction Gearbox 501、High Efficiency Reduction Gearbox 501. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Industrial Gearbox

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