Gold Member Since 2012
Audited Supplier
Shanghai RuiBiao Construction Machinery Co., Ltd.

Reducer, Gearbox, Worm Gear manufacturer / supplier in China, offering Ratio 1: 16 Gearbox for Construction Hoist, 12V 24V 4X4 ATV Electric Winch with 3000ibs 4000ibs 6000ibs 8000ibs 10000ibs 12000ibs 20000ibs, Aluminum Alloy Galvanized Steel Suspended Work Platform and so on.

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Ratio 1: 16 Gearbox for Construction Hoist

FOB Price: US $450-800 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $450-800/ Piece
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Port: Shanghai, China
Production Capacity: 10000
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: 11KW
  • Function: Clutch
  • Hardness: Soft Tooth Surface
  • Step: Three-Step
  • Shaft Material: 40cr Forged Steel
  • Gear Housing: Cast Iron(Ht250 or Qt450)
  • Features: Reducer, Worm Gear Reducer
  • Certificate: ISO9001: 2000 Ce CCC
  • Helical Gear Hardness: HRC58-62
  • Trademark: RUIBIAO
  • Specification: 11KW
  • HS Code: 84313900
  • Application: Electric Cars, Motorcycle
  • Layout: Three-Ring
  • Installation: Torque Arm Type
  • Type: Planetary Gear Box
  • Helical Gear Material: 20crmntih and 17crnimo 6
  • Mounting Position: M1, M2, M3, M4, M5, M6
  • Gearing Arrangement: Bevel / Miter
  • Brand Name: Aoya
  • Technics: Casting
  • Transport Package: Wooden Case
  • Origin: Shanghai. China
Product Description
A.The features of Ratio 1: 16 Gearbox for Construction Hoist

1. The reducers have the following features because of using plane enveloping worm gear as compared with other kinds of worm transmissions: larger loading capactiy and compact dimension and higher efficiency and smoother and quieter       functioning longer service life.
2. In addition, the housings of these series reducers are made of high-strenghth aluminium alloy. So the reducers make the features of higher strength and lighter weight.

3. It is recommended to utilize the viscosity VG320 synthetic worm gear oil (or synthetic gear oil) for lubrication. Once the environment temperature is higher than 30°C, it is recommended to utilize the viscosity VG460 synthetic worm gear oil

(or synthetic gear oil) for lubrication. And allowed maximum working oil temperature is 100°C.          

NumberWeightTransmission Ratio

Center Distance


Output power


Ordering instruction

Please specify

transmissionratio and type  

 when ordering


B.installation of Ratio 1: 16 Gearbox for Construction Hoist

1.The base-plate must be plane and stoutness and the base-plate must be screwed down and shock proof. 

2.The connecting shaft of prime mover, reducer and operation device must be coaxial installation. 

3.The diameter tolerance zone of input and output shaft is H6, the holes of fittings( such as couplings, belt-pully, sprocket wheel and so on) must properly mate the shaft, which prevents bearing from breakage because of over-loose mate. 

4.Drivers such as sprocker wheel and gear must be fitted close to bearings in order to reduce bending stress of hanging shaft. 

5.While assembling motor of WPD reducer, it is necessary that proper amount of butter applies to the warm shaft input hole and keyway, avoiding assembling too tightly and rusting after using for a long time. 

6.When ordering or using all kinds of WPD type, if the motor weight is bigger than the common,supporting set is required.

Speed ratio


Center Distance


Input Speed


Input Power


Rated output Torque





C.Usage of Ratio 1: 16 Gearbox for Construction Hoist

1.Before using,please check carefully whether the reducer modle, distance, ratio, input connecting method , output shaft structure, input and output shaft direction and revolving direction accord with required. 

2. According to the requirement of selecting lubricant oil in the product manual. Please fill proper category and brand lubricant.And then screw on the vent-plug, unlock the small cone-plug of vent-plug.Only after doing these, reducer is already for startinh up running.The proper brand and adequate lubricant oil is required, replacing oil in time conforming to the request of product manual is also necessary, especially after using first 100hours, it is required refilling new oil. 

3. When abnormal circumstances occur, please stop and check reducer per solutions and reasons for faults of reducer(allowable highest oil temperature is 95, under this temperature limit, if oil temperature no more goes up, please let reducer continue running). 

Ratio 1: 16 Gearbox for Construction Hoist
Ratio 1: 16 Gearbox for Construction HoistRatio 1: 16 Gearbox for Construction Hoist
Ratio 1: 16 Gearbox for Construction HoistRatio 1: 16 Gearbox for Construction Hoist

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Ratio 1: 16 Gearbox for Construction Hoist
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