China wholesaler Factory P Series High Torque Heavy Duty Planetary Gearbox High Precision Gears with high quality

Product Description

Product Description

Factory P series high torque Heavy Duty Planetary Gearbox high precision gears

P Series Planetary Gearbox adopts the involute planetary gear transmission with inner mesh, outer mesh and divided power employed reasonably. So the series has the features of light weight, small volume, high transmission ratio, high efficiency, smooth rotation, low noise and good applicability.
P Series Planetary Gearbox is widely used in many industries such as metallurgy, mining, hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic, etc.

P series planetary gearbox with good prices
1.P Series Planetary Gear Units is designed according to the involute planetary gear transmission with inner mesh,outer mesh and divided power employed reasonably. 

2.P series planetary gear unit has the feature of light weight , small volume, high transmission ratio,  
high efficiency, smooth rotation, low noise and good applicability. 

3.P series is widely used in industries such as metallurgy,  mining,  hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic.

Detailed Photos

 4.Technical Data

Input power Ratio Torque Planetary gear units stage Mounting type
0.4~9551kW 25~4000 Up to 1920000N.m 2 stage
3 stage

5.Basic Information
Gear Arrangement:Helical gear
Mounting Type: Horizontal, Vertical
Types: P2N,P2L,P2S,P2K,P3N,P3S,P3K


Features of Planetary gearbox Light weight
Small volume
High transmission ratio
High transmission efficiency
Smooth rotation
Good applicability

P series planetary gearbox with good prices
7.Explanation of types
P2N-2-stage planetary gear units:
P2L-Bevel,2-stage planetary gear units:
P2S-Helical,2-stage planetary gear units;
P2K-Bevel-helical,2-stage planetary gear units:
P3N-3-stage planetary gear units;
P3S-Helical,3-stage planetary gear units;
P3K-Bevel-helical,3-stage planetary gear units;

Product Parameters

Product description:

Rated Power 0.4KW~9551KW
Rated Torque Up to 1920KN.m
Gear Arrangement Planetary with helical or bevel gearbox
Input Speed 50HZ or 60HZ of 4Pole,6Pole and 8pole motor
Ratio i=25~4000
Installation Form Flange Mounted, Foot Mounted or Torque Arm Mounted



Packaging & Shipping

Company Profile

Our Advantages


Pre-sale services 1. Select equipment model.
2.Design and manufacture products according to clients’ special requirement.
3.Train technical personal for clients
Services during selling 1.Pre-check and accept products ahead of delivery.
2. Help clients to draft solving plans.
After-sale services 1.Assist clients to prepare for the first construction scheme.
2. Train the first-line operators.
3.Take initiative to eliminate the trouble rapidly.
4. Provide technical exchanging.


1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more than 1 hundred models and thousands of specifications

2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set

Welcome you contact me if you are interested in our product.
Our team will support any need you might have.

Application: Machinery, Agricultural Machinery, Industry
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened
Installation: Horizontal Type
Step: Double-Step


Customized Request

epicylic gear

What are the advantages of using planetary gears in various mechanical setups?

Planetary gears offer several advantages that make them a popular choice in various mechanical setups. Let’s explore some of these advantages:

  • Compact Size:

One key advantage of planetary gears is their compact size. The arrangement of multiple gears within a single housing allows for a high gear reduction ratio in a relatively small space. This compactness is particularly beneficial in applications where space is limited, such as automotive transmissions, robotics, and aerospace systems.

  • High Torque Density:

Planetary gears provide high torque density, meaning they can transmit a significant amount of torque relative to their size and weight. The design of planetary gears allows for multiple gear teeth to engage simultaneously, distributing the load and increasing torque-carrying capacity. This makes them suitable for applications requiring high torque transmission, such as heavy machinery, industrial equipment, and automotive drivetrains.

  • Efficient Power Transmission:

Planetary gears are known for their efficient power transmission capabilities. The multiple gear engagements and the distribution of load among the gears result in reduced friction and minimal power loss. This efficient power transmission ensures that a substantial portion of the input power is effectively transmitted to the output, leading to improved overall system efficiency.

  • Multiple Gear Ratios:

Another advantage of planetary gears is their ability to achieve multiple gear ratios within a single gear system. By varying the sizes and numbers of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be obtained. This flexibility allows for adapting to various speed and torque requirements without the need for additional gear sets or complex mechanisms.

  • Shock Absorption:

Planetary gears have a natural ability to absorb shock loads and distribute them across multiple gear teeth. The multiple gear engagements and the design characteristics of planetary gears help mitigate shocks and impacts, preventing damage to the gear system and the connected components. This makes them suitable for applications that involve sudden changes in load or intermittent operation.

  • Precise Motion Control:

Due to their design, planetary gears offer precise motion control. The combination of rotational and orbital movements of the planet gears allows for smooth and accurate motion transmission. This feature is particularly useful in applications requiring precise positioning, such as robotics, automation systems, and medical equipment.

In summary, the advantages of using planetary gears in various mechanical setups include compact size, high torque density, efficient power transmission, multiple gear ratios, shock absorption, and precise motion control. These advantages make planetary gears well-suited for a wide range of applications across industries, offering reliability, efficiency, and versatility.

epicylic gear

Can planetary gears be used in aerospace and aviation applications?

Planetary gears find extensive use in aerospace and aviation applications due to their unique characteristics and advantages. Let’s explore how planetary gears can be utilized in the aerospace and aviation industry:

  • Aircraft Engines:

Planetary gears play a crucial role in aircraft engines, especially in the reduction gearbox. The reduction gearbox connects the high-speed turbine shaft with the low-speed propeller shaft, allowing efficient power transmission while maintaining optimal propeller speed. Planetary gears within the reduction gearbox help achieve the required gear ratios and torque conversion, ensuring smooth and reliable engine operation.

  • Landing Gear Systems:

Planetary gears are also utilized in landing gear systems of aircraft. These gears provide the necessary torque and force to retract and extend the landing gear during takeoff and landing. Planetary gears offer compactness, high torque capacity, and the ability to handle heavy loads, making them suitable for this critical application.

  • Actuation Systems:

Actuation systems in aerospace and aviation, such as those used for flight control surfaces, also benefit from the use of planetary gears. These gears enable precise and reliable movement of control surfaces, such as ailerons, elevators, and rudders. Planetary gears’ ability to handle high torques, provide accurate positioning, and withstand varying loads makes them well-suited for actuation systems.

  • Satellite and Spacecraft Mechanisms:

In satellite and spacecraft applications, planetary gears are utilized in various mechanisms. They can be found in solar array drives, antenna pointing systems, and deployment mechanisms for scientific instruments. Planetary gears offer compactness, high torque transmission, and the ability to handle the extreme conditions of space environments.

  • Auxiliary Power Units (APUs):

APUs in aircraft are responsible for providing auxiliary power during ground operations and in-flight emergencies. Planetary gears are often employed in APU systems to transfer power from the engine to the auxiliary systems, such as electrical generators or hydraulic pumps. These gears ensure efficient power transmission and reliable operation of the APU.

In summary, planetary gears have significant applications in aerospace and aviation. They are utilized in aircraft engines, landing gear systems, actuation systems, satellite and spacecraft mechanisms, as well as auxiliary power units. The compact size, high torque capacity, precise positioning, and reliable operation of planetary gears make them well-suited for these critical applications in the aerospace and aviation industry.

epicylic gear

How do planetary gears differ from other types of gear arrangements?

Planetary gears, also known as epicyclic gears, possess unique characteristics and differ from other types of gear arrangements in several ways. Let’s explore the distinguishing features of planetary gears:

  • Internal Gear Meshing:

Unlike other gear arrangements where the gears typically mesh externally, planetary gears have internal gear meshing. This means that the gear teeth of the sun gear, planet gears, and ring gear are located on the inside surfaces, allowing for compact and space-efficient designs.

  • Multiple Gear Sets:

Planetary gear systems consist of multiple gear sets working in parallel or series. These gear sets include the sun gear, planet gears, and ring gear. By combining and configuring these gear sets, different gear ratios and torque distributions can be achieved, providing versatility and flexibility in various applications.

  • Central Sun Gear:

A distinctive feature of planetary gears is the presence of a central sun gear. The sun gear is typically driven by an input source, such as a motor or engine. It is located at the center of the gear arrangement and serves as the primary driver for overall gear operation.

  • Orbiting Planet Gears:

In planetary gears, the planet gears rotate on their own axes while simultaneously orbiting around the sun gear. This combination of rotational and orbital movement allows for efficient torque transmission and enables the gear arrangement to achieve different gear ratios based on the relative sizes and positions of the gears.

  • Compact Size:

One of the key advantages of planetary gears is their compact size. The internal gear meshing and the arrangement of multiple gear sets within a single gear system contribute to their space-saving design. This makes planetary gears suitable for applications where size and weight restrictions are important considerations.

  • Wide Range of Applications:

Planetary gears find applications in various industries and mechanical systems. They are commonly used in automotive transmissions, industrial machinery, robotics, aerospace systems, and more. Their ability to achieve different gear ratios, transmit torque efficiently, and operate in compact spaces makes them versatile solutions in diverse engineering applications.

In summary, planetary gears differ from other types of gear arrangements due to their internal gear meshing, multiple gear sets, central sun gear, orbiting planet gears, compact size, and wide range of applications. These characteristics make planetary gears suitable for achieving various gear ratios, transmitting torque efficiently, and meeting the space requirements of different mechanical systems.

China wholesaler Factory P Series High Torque Heavy Duty Planetary Gearbox High Precision Gears with high qualityChina wholesaler Factory P Series High Torque Heavy Duty Planetary Gearbox High Precision Gears with high quality
editor by CX 2023-09-23