China best Gear Reducer with Small Gear Reducer Motor planetary gearbox

Product Description

Company  Profiles

-We are a leading gear motor manufacturer
ZHangZhoug Xihu (West Lake) Dis.hai Reducer is a leading manufacturer of gear motor and gearbox.
Since 1991, we have specialized in manufacturing a wide range of gear motor and gear box including:


  • helical gear motor
  • helical bevel gear motor
  • parallel shaft helical gear motor
  • helical worm gear motor
  • hoist drive
  • heavy-duty helical gearbox
  • heavy-duty helical bevel gearbox
  • gear motor for car parking system
  • sprial bevel gearbox

Product Description

D series gear motor is composed with two-stage or three-stage gears. Input shaft and output shaft is inline.

Mounting position: footed mounting, flange mounting, both flange and footed mounting etc.

Thechnical data:

Output speed 10 ~ 800 rpm

Rated output torque 10 ~ 20000 Nm

Motor power 0.12 ~ 200 KW

Product Show

Product Specification

Product features
1. D series helical gear motor own rational design, compact construction, smaller size than cycloidal gearmotor at the same permitted torque.
2. Little vibration and low noise, with high transmission efficiency.
3. The products have been mainly used in chemical machinery, cement agitator machinery, printing and packaging machinery, mine and power transmission machinery, metallurgy etc.
General Technical data
Housing material HT250 high-strength cast iron
Housing hardness HBS190-240
Pinion material 20CrMnTiH
Gear material 20CrMnTiH
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Input/output shaft material 40CrMnTiH
Input / Output shaft hardness HRC25~30
Machining precision of gears accurate grinding, 6~7 Grade
Lubricating oil  L-CKC220  (GB 5903-95) 
Heat treatment tempering, cementiting, quenching, etc.
Efficiency 94%~96% (depends on the transmission stage) 
Noise (MAX) 60~68dB
Temp. rise  (MAX) 40°C 
Temp. rise (Oil)(MAX) 50°C
Vibration ≤20µm
Backlash ≤20Arcmin
Brand of bearings China Top brand C&U,LYC,TMB or other brands requested, SKF…..
Brand of oil seal CTY— ZheJiang or other brands requested
D —- series helical gear motor
D-series single stages
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Weight
Solid (mm)  (mm) (mm) (kw) (Nm) (KGS)
D37 25k6 90h13 110/160 0.12~3 4~135 210 11
D47 30k6 115h13 110/160 0.12~5.5 4~172 335 16
D57 35k6 115h13 130/200 0.12~7.5 5~188 490 19
D67 35k6 130h13 180/250 0.12~7.5 5~193 570 28
D77 40k6 140h13 230/300 0.18~11 5~197 890 39
D87 50k6 180h13 250/350 0.55~22 5~246 1660 65
D97 60m6 225h13 350/450 0.55~30 5~290 3000 110
D107 70m6 250h13 350/450 1.5~45 2~249 4550 200
D137 90m6 315h13 450/550 3~55 5~220 9270 280
D147 110m6 355h13 450/550 4~90 5~167 14940 430
D167 120m6 425h13 550/660 7.5~160 10~230 20880 650
D series double stages 
Model Output Shaft Dia. Center Height Output Flange Dia. Power Ratio Permitted Torque Output Speed 
Solid (mm)  (mm) (mm) (kw) (Nm) (RPM)
D27D17 25k6 90h13 95/140 0.12~0.18 90~229 140 6~15
D37D17 25k6 90h13 110/160 0.12~0.25 90~156 225 4.1~14
D47D37 30k6 115h13 110/160 0.12~0.25 154~572 340 2.4~8.5
D57D37 35k6 115h13 130/200 0.12~0.25 142~782 477 1.8~9.2
D67D37 35k6 130h13 180/250 0.12~0.37 158~956 590 1.4~8.2
D77D37 40k6 140h13 230/300 0.12~0.55 186~1430 880 0.97~7.3
D87D57 50k6 180h13 250/350 0.12~1.1 195~2873 1665 0.48~7.2
D97D57 60m6 225h13 350/450 0.12~2.2 209~4678 2930 0.29~6.8
D107D77 70m6 250h13 350/450 0.12~2.2 214~7583 4510 0.18-6.6
D137D77 90m6 315h13 450/550 0.12~4 35.1~12921 9090 0.11~6.3
D147D77 110m6 355h13 450/550 0.12~4 415~21342 14940 0.06~3.4
D147D87 110m6 355h13 450/550 1.5~11 159~533 14940 2.6~9.1
D167D97 120m6 425h13 550/660 1.5~11 279~2333 25710 0.6~5.2
D167D107 120m6 425h13 550/660 11 4.9~8.5 17640 4.9~8.5
Remark: the weight without oil and motor, shaft and flange input add 10%.


Plastic bag + wooden carton



Q: Can you print other colors?
Yes. Customized color can be printed on the gear motor according to your requirements.
Q: Is that factory price?
Yes. We assure you all prices are based on factory.
Q:  What is the life span? what is the guarantee
The lifespan of gear motor can reach 5-20 years depending on different working conditions .The guarantee time is 1 year after delivery.
Q: What documents are available?
A full range documents including structural drawings, packing list, installation manual and relative certificates can be provided. Moreover, customs declaration is provided. We provide one-stop service for you. 
Q: Is it able to customized?
yes, we could re-design and produce the gear motor as your requirements if the quantity is large.

Application: Motor, Machinery, Agitator
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Helical
Step: Three-Step

gear gearbox

Are there any disadvantages or limitations to using gear reducer systems?

While gear reducer systems offer numerous advantages, they also come with certain disadvantages and limitations that should be considered during the selection and implementation process:

1. Size and Weight: Gear reducers can be bulky and heavy, especially for applications requiring high gear ratios. This can impact the overall size and weight of the machinery or equipment, which may be a concern in space-constrained environments.

2. Efficiency Loss: Despite their high efficiency, gear reducers can experience energy losses due to friction between gear teeth and other components. This can lead to a reduction in overall system efficiency, particularly in cases where multiple gear stages are used.

3. Cost: The design, manufacturing, and assembly of gear reducers can involve complex processes and precision machining, which can contribute to higher initial costs compared to other power transmission solutions.

4. Maintenance: Gear reducer systems require regular maintenance, including lubrication, inspection, and potential gear replacement over time. Maintenance activities can lead to downtime and associated costs in industrial settings.

5. Noise and Vibration: Gear reducers can generate noise and vibrations, especially at high speeds or when operating under heavy loads. Additional measures may be needed to mitigate noise and vibration issues.

6. Limited Gear Ratios: While gear reducers offer a wide range of gear ratios, there may be limitations in achieving extremely high or low ratios in certain designs.

7. Temperature Sensitivity: Extreme temperatures can affect the performance of gear reducer systems, particularly if inadequate lubrication or cooling is provided.

8. Shock Loads: While gear reducers are designed to handle shock loads to some extent, severe shock loads or abrupt changes in torque can still lead to potential damage or premature wear.

Despite these limitations, gear reducer systems remain widely used and versatile components in various industries, and their disadvantages can often be mitigated through proper design, selection, and maintenance practices.

gear gearbox

What factors should be considered when selecting the right gear reducer?

Choosing the appropriate gear reducer involves considering several crucial factors to ensure optimal performance and efficiency for your specific application:

  • 1. Torque and Power Requirements: Determine the amount of torque and power your machinery needs for its operation.
  • 2. Speed Ratio: Calculate the required speed reduction or increase to match the input and output speeds.
  • 3. Gear Type: Select the appropriate gear type (helical, bevel, worm, planetary, etc.) based on your application’s torque, precision, and efficiency requirements.
  • 4. Mounting Options: Consider the available space and the mounting configuration that suits your machinery.
  • 5. Environmental Conditions: Evaluate factors such as temperature, humidity, dust, and corrosive elements that may impact the gear reducer’s performance.
  • 6. Efficiency: Assess the gear reducer’s efficiency to minimize power losses and improve overall system performance.
  • 7. Backlash: Consider the acceptable level of backlash or play between gear teeth, which can affect precision.
  • 8. Maintenance Requirements: Determine the maintenance intervals and procedures necessary for reliable operation.
  • 9. Noise and Vibration: Evaluate noise and vibration levels to ensure they meet your machinery’s requirements.
  • 10. Cost: Compare the initial cost and long-term value of different gear reducer options.

By carefully assessing these factors and consulting with gear reducer manufacturers, engineers and industry professionals can make informed decisions to select the right gear reducer for their specific application, optimizing performance, longevity, and cost-effectiveness.

gear gearbox

What industries and machinery commonly utilize gear reducers?

Gear reducers are widely used across various industries and types of machinery for torque reduction and speed control. Some common industries and applications include:

  • 1. Manufacturing: Gear reducers are used in manufacturing equipment such as conveyors, mixers, and packaging machines to control speed and transmit power efficiently.
  • 2. Automotive: They are utilized in vehicles for applications like power transmission in transmissions and differentials.
  • 3. Aerospace: Gear reducers are used in aircraft systems, including landing gear mechanisms and engine accessories.
  • 4. Robotics and Automation: They play a crucial role in robotic arms, CNC machines, and automated production lines.
  • 5. Mining and Construction: Gear reducers are used in heavy machinery like excavators, bulldozers, and crushers for power transmission and torque multiplication.
  • 6. Energy and Power Generation: Wind turbines, hydroelectric generators, and other power generation equipment use gear reducers to convert rotational speed and transmit power.
  • 7. Marine and Shipbuilding: They are used in ship propulsion systems, steering mechanisms, and anchor handling equipment.
  • 8. Material Handling: Gear reducers are essential in conveyor systems, elevators, and hoists for controlled movement of materials.
  • 9. Food and Beverage: They find applications in food processing equipment like mixers, grinders, and packaging machines.
  • 10. Paper and Pulp: Gear reducers are used in machinery for pulp processing, paper production, and printing.

These examples represent just a fraction of the industries and machinery that benefit from the use of gear reducers to optimize power transmission and achieve the desired motion characteristics.

China best Gear Reducer with Small Gear Reducer Motor   planetary gearbox	China best Gear Reducer with Small Gear Reducer Motor   planetary gearbox
editor by CX 2023-09-07