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Planetary Gearbox for Cargo cranes

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Planetary Gearbox for Winch Packing Machine

Our company's high-precision planetary gearbox adopts the integrated design of the planet carrier and the output shaft to ensure maximum torque stiffness and stability. A variety of backlash types can be selected according to customer needs micro precision backlash (P0), precision backlash (P1), and standard backlash (P2). Thanks to the high-cost performance of the 3F PAB series planetary gearboxes, it is widely used in servo applications in the motion control industry. The 3F PAB precision gearbox has large torque, and the input diameter D4 can reach φ255mm, which greatly meets the needs of customers. Single-stage planetary gearboxes and two-stage gearboxes are available:

●One-stage ratio : 3, 4, 5, 6, 7, 8, 9, 10
●Two-stage ratio: 12, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100

Overview of Planetary Gearbox

* Minimum backlash is 0-3 arcmin.
* Has the advantages of high torque and high strength.
* Suitable for any servo motor and stepper motor.
* Start-stop positioning time is shorter.
* High rigidity and high motor rotor inertia.
* Due to the miniaturization of the motor power, the inertial load can be stabilized, and the vibration is small.

P2   ( ≤7arcmin )
Output Type
Rated Output Torque
290   Nm
Rated Input Speed
3500 rpm
Torsional Rigidity
Synthetic Grease
Operating Temperature
Protection Temperature
Mounting Position
Any Direction
Service Life
21000 hours


Why choose us


We offer the widest range of standard and custom solutions for applications in motion control and mechanical transmission. We offer precision inline planetary gearboxes and right angle planetary gearboxes, 90 degree right angle servo motor gearboxes, harmonic drive gearboxes, RV reducers for robotics, ground precision racks, and pinions, servo motors, stepper motors, brushless motors, etc. The company can also provide worm gear reducers, gear motors, screw jacks, steering gears, and other related reducer gearboxes and accessories. This means you can get what you want right here and benefit from our one-stop service, saving you time and money.


As a manufacturer-type sales company, we offer our customers attractive prices with high quality. Compared with other companies' gearboxes, 3F precision planetary gearboxes have the characteristics of low backlash (2-8 arcmin), high efficiency (≥95%), and low noise (60dBA). All servo gearboxes produced by 3F famous brands will be strictly inspected and tested before leaving the factory. In addition, we provide customers with a one-year warranty and lifetime after-sales service.


Don't worry if you don't know how to choose the right transmission for your machine. We have a professional technical team to serve you. As long as you follow our steps, you'll know how to choose the right size. After selecting the matching gearbox for your motor, we will send you the corresponding CAD drawing for your inspection to avoid any errors. We also offer 24-hour technical support if you have any other issues that need urgent resolution.


If you need a custom gearbox for a unique application, we can provide custom service according to your requirements. We will provide you with reliable, high-performance custom gearboxes from small to large output torques. Please tell our sales engineer your detailed requirements and all the necessary dimensions you want. The more information you provide us, the more suitable we can design a custom transmission for you.


For most of the standard reducers, we have sufficient stock, which can be delivered to customers in a very short time, solve the problem of urgent replacement of damaged gearboxes on working machines, and save costs for customers. Also, if a customer needs a gearbox of a certain size urgently and we do not have it in stock, we can arrange priority production, especially for you.


Most of our precision gearboxes can perfectly match and replace Apex gearboxes, Dawn gearboxes, Shimpo gearboxes, Neugart gearboxes, SPG gearboxes, and Harmonic Drive gearboxes, Boston gearboxes, Bonfiglioli gearboxes, etc. Product number. With high quality and low price, our reducers, especially planetary gearboxes and harmonic drive gears are warmly welcomed by customers all over the world.

edited by CX



industries we service

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.

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Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.product materials available

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

product finishing


product packages


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

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