Choose Language:

hzpt logo 80px
Planetary Gear Speed Reducer ep planetary gearbox banner 2

Planetary gearbox expert

HZPT has many years of experience in planetary gearboxes, we produce very high-quality planetary gearboxes at very competitive prices. Planetary speed reducer gearboxes have been designed for different transmissions. The power is transmitted from the motor to the sun gearbox. The sun gearbox drives three planetary gearboxes, which are contained within an internal toothed ring gearbox. The planetary gearbox is mounted on the planetary carrier. The planetary carrier is part of the output shaft. So when the sun gearbox rotates, it drives the three planetary gearboxes inside the ring gearbox. As planetary gearbox rotates with carries and automatically the highest torque and stiffness for a given envelope. The other significant advantages are simple and efficient lubrication and a balanced system at high speeds. The balanced planetary kinematics and the associated load sharing make the high-speed planetary gearbox truly ideal for servo applications. The modular concept allows us to offer a particularly short delivery time for gearbox with a constantly high standard of quality whether your applications require a reducer for the motor.

A planetary gearbox is a medieval tool reincarnated in present day type. That itself says a whole lot regarding the usefulness and application of the device. It’s an effective device for the function it performs and has stood the test of time, with no receiving obsolete.

Planet gear speed reducer can make several distinctive reduction ratios because of the different planet gears that revolve all around the sun gear. Planetary gearboxes are constructed of hefty duty metal this kind of as steel and therefore are ready to handle significant shock loads nicely. Even so, distinct planetary gearboxes are made for distinct pace, load and torque capacities. The predominant use for planetary speed reducers gearboxes is in motor cars with automated transmissions. In contrast to a manual transmission, during which the operator is responsible for switching gears, automobiles that have automated transmissions use clutches, brake bands, and planetary gearboxes to alter the inputs and outputs, therefore adjusting the speeds accordingly.

Planetary gearboxes gain their benefits as a result of their layout. The sun gear’s central place allows the planet gears to rotate while in a similar route and for the ring gear (the edge of the planet carrier) to flip exactly the same way as the sun gear. In some arrangements, the sun gear can concurrently flip each of the planets as they also engage the ring gear. Any of your three components can be the input, the output or held stationary, which success in lots of distinctive reduction ratio prospects.

Planetary Gear Speed Reducer ep processing equipment 1
Planetary Gear Speed Reducer ep heat equipment
Planetary Gear Speed Reducer ep test equipment

Hzpt is a professional company engaged in R & D, design and manufacturing of gear boxes. The company has introduced a number of high-end production and testing equipment. We have successfully developed a series of gear boxes with hundreds of thousands of specifications, such as 800nm-11200nm planetary gear boxes for construction machinery, worm gear boxes, cycloidal gear boxes, agricultural reducers, high-precision planetary gear boxes, hard tooth surface helical gear reducers, hydraulic slewing and rolling mill gear boxes. The products have been widely used in supporting units and engineering projects of building materials, metallurgy, engineering machinery, lifting, shipping, chemical industry, pharmaceutical, electric power and other industries.

Planetary Gear Speed Reducer ep Planetary Gearboxes For Feed

Planetary Feed Mixer Gearbox

PGA502 PGA1002
PGA1003 PGA1202
PGA1602 PGA1603
PGA1702 PGA1703
PGA2102 PGA2103
PGA2502 PGA3003
PGA3004 PGA4203
Planetary Gear Speed Reducer ep winch drives 1

Gearbox for Tracked Vehicle

Replacement brand: bonfiglioli

700C1H, 701C1, 

703C2H, 705C2H, 

706C3H, 707C3B,

709C3B, 710C3B,

711C3B, 715C3B,

716C3B, 717C3H,

718C3H, 720C3H



Planetary Gear Speed Reducer ep GFw Series Planetary Gearbox 1

Gearbox for Winch




















Planetary Gear Speed Reducer ep 17 planetary reducer 1 2

Gearbox for Wheeled Vehicle

  • EP601L1A
  • EP603L2A
  • EP603L2B
  • EP602L2
  • EP605L2
  • EP606L2, L3
  • EP607L2, L3
  • EP607L2, L3
  • EP609L2, L3
  • EP610L2, L3
  • EP611L2, L3
  • EP613L3
  • EP615L3
Bosch Rexroth GFT series
transmital bonfiglioli 600 series


Planetary Gear Speed Reducer ep 19 gear speed reducer 1

Gearbox for Wind Turbines

  • EP700L
  • EP701L
  • EP703AL
  • EP705AL
  • EP706BL4
  • EP707AL4
  • EP709AL4
  • EP711BL4
  • EP713L4
  • EP715L4


Planetary Gear Speed Reducer ep 18 slewing reducer 3 2

Planetary Slewing Drive Gearbox

  • EP700L
  • EP701L
  • EP703AL
  • EP705AL
  • EP705L
  • EP706AL
  • RP706L
  • EP707AL
  • EP707L
  • EP709AL
  • EP711AL
  • EP711L
  • EP713
  • EP715L3
  • EP706S
  • EP707S
  • EP709S
  • EP710S
  • EP710BS
  • EP710DS
  • EP714S
  • EP715S
  • EP716S
  • EP717S
Bosch Rexroth GFB series
transmital bonfiglioli 700T series


Planetary Gear Speed Reducer ep right angle gearbox 1

Right Angle Planetary gearbox

  • EP300L
  • EP301L
  • EP303L
  • EP305L
  • EP306L
  • EP307L
  • EP309L
  • EP310L
  • EP311L
  • EP313L
  • EP315L
  • EP316L
  • EP317L
  • EP318L
  • EP319L
  • EP321L


Planetary Gear Speed Reducer ep inline planetary reducer 0 2

Inline Planetary gearbox

  • EP300L
  • EP301L
  • EP303L
  • EP305L
  • EP306L
  • EP307L
  • EP309L
  • EP310L
  • EP311L
  • EP313L
  • EP315L
  • EP316L
  • EP317L
  • EP318L
  • EP319L
  • EP321L


Excavator Swing Gearbox

Swing Gearboxes


  • Wheel type Excavator
  • Rotary Drill Rig
  • Crawler Crane
  • Crawler Type Excavator
power wheel

Power Wheel

Brands we can replace

300 Series Planetary Gearbox

315 Series Planetary Gearbox

301 Series Planetary Gearbox

316 Series Planetary Gearbox

303 Series Planetary Gearbox

317 Series Planetary Gearbox

305 Series Planetary Gearbox

318 Series Planetary Gearbox

306 Series Planetary Gearbox

319 Series Planetary Gearbox

307 Series Planetary Gearbox

321 Series Planetary Gearbox

309 Series Planetary Gearbox

700C Series Planetary Gearbox


310 Series Planetary Gearbox

710 Series Planetary Gearbox


311 Series Planetary Gearbox

700T Series Planetary Gearbox


313 Series Planetary Gearbox

600 Series Planetary Gearbox


PGA Series Auger Drive Planetary Gearbox

PG Series Feed Mixer Planetary Gearbox

PGR-T Track Drive Planetary Gearbox

PGR-W Wheel Drive Planetary Gearbox

PGR-H Winch Drive Planetary Gearbox


RR Series Linear and Angular Planetary Gearbox

R2E Series Heavy Duty Planetary Reducer 

ZHP Series Planetary Slewing Gear Gearbox

 Classification by function

Agriculture & Forestry Industry & Mining Food Processing
  • Sprayer
  • Wheel Harvester
  • Crawler Harvester
  • Feed Mixer
  • Forestry Machinery


  • Earthwork
  • Construction
  • Concrete
  • Road Construction
  • Crushing, Grinding, & Raw Material Processing
  • Mud Treatment
  • Grain, processing & milling
  • Baking processing
  • Fruit, vegetable & beverage processing


Transport Maritime Affairs Wind Energy
  • Road vehicles
  • Warehouse and raw material handling
  • Off-highway vehicles
  • Access and aerial platform
  • Warehouse and raw material handling
  • Automatic storage
  • Airport equipment
  • Logistics and industrial cranes
  • Mobile crane
  • Dredging vessel
  • Offshore construction vessel
  • Work vessels and tugs
  • Offshore platform
  • Merchant ship
  • Pipe laying machine and cable laying machine




  • Wind turbine
  • yaw
  • pitch






Showing 1–30 of 403 results

Application of Planetary Gear Reducer Gearboxes

The use of planetary gear drives in the field of power transmission is the modern answer to the demand for Compactness constructive simplicity and product reliability. An automated transmission includes two complete planetary gearsets placed together into a single element. Planetary speed reducer gearboxes can also be utilized in electrical screwdrivers, sprinklers and applications that call for large or many reductions from a compact mechanism. Planetary gear reducer gearboxes are among several variations of speed reducers and it’s vital the ideal mechanism is made use of. Gearboxes may even be combined to produce the preferred final results as well as the most typical types are helical gear reducers, worm gear reducers, and inline gear reducers.

Construction Machinery

The gearbox is a vital mechanical part of construction machinery. Built to the highest quality standards, our planetary gearheads have won the recognition and trust of our customers. Our gear units can be used on various construction machines, such as tower cranes, crawler cranes, beam carriers, excavators, graders, concrete mixing plants, asphalt pavers, bridge machines, milling machines, and other equipment. They are essential transmission components for bridge and road construction machines and all kinds of mining machines.

Application of Planetary Gear Reducers

Planetary Gear Head for Aerial Work Platform

Planetary Gearhead for Shield Machine

Planetary Gearhead for Shield Machine

 Wind Turbines

Our planetary gear speed reducers are installed in wind turbines all over the world including in China, Europe, the United States, and India. Our products are capable of withstanding cold, heat, high altitude, ocean climate and other harsh natural environments tests, which is especially important for applications on wind power generation turbines. We recommend using our EP700L4 series gear speed reducer for wind turbines.

Application of Planetary Gear Reducers

Planetary for Aerial Work Platform

Application of Planetary Gear Reducers

Planetary Gearhead for Aerial Work Platform

Metallurgical Mining Machinery

In the metallurgical industry, a stable and reliable running gearbox can determine whether the entire production line can work properly. Failure of the gear set can lead to serious consequences. Usually, the gearhead works even in heavy-duty, high shock load, high or low speed, high temperature, high pollution, and other harsh operating environments.

Equipped with high-performance bearings, our high speed planetary gear reducers can meet the demanding needs of the metallurgical industry. The gearbox can be used on crushing machines, grinding machines, dryers, sand-making machines, vibrating feeders, grab steel machines, crawler loaders, and other metallurgical and mining machines.

Planetary Gearbox for Hydraulic Side Dump Rock Loader

Planetary Gearbox for Hydraulic Side Dump Rock Loader

Planetary Gearbox for Traction Mechanism

Planetary Gearbox for Traction Mechanism

Marine Machinery

Marine machines usually work at -20℃ ~+ 45℃ temperatures, and the planet gear speed reducers gearboxes for them require specific material properties to properly perform their mechanical functions. In addition to marine cranes, our gear units can also be used on bridge cranes, tire cranes, gantry cranes, belt conveyors, unloading machines, palletizing machines, marine windlass, boarding bridges, offshore cranes, and other shipboard equipment.

Gear Unit for Deck Crane

Gear Unit for Deck Crane

Gear Unit for Deck Crane

Gear Unit for Deck Crane

Solar Power Generation Equipment

There are significant environmental benefits to solar energy use. Most of our planetary gear reducers can be used for the equipment used in solar power plants, such as solar trackers, solar tracker slewing drives, and solar battery panels. We recommend using our EP300L4, EP301L4, EP303L4, and EP305L4 gearboxes for solar power plants.

Application of Planetary Gear Reducers
Application of Planetary Gear Reducers

Agricultural Machinery

Today, farming is largely mechanized and in some cases automated. Large tractors, motor graders, combines, rolling machines, and irrigation machines are commonly involved in farm work. A variety of our gear drives are suitable for installation in these large machines.

We can provide high-quality planetary speed gearboxes for large agricultural machinery. Our power transmission products are standardized, serialized, and with reliable performance. We have a variety of models available for customers to choose from. If you need to customize specific gear units, we can provide products tailored to your specifications.

Application of Planetary Gear Reducers

Oilfield Equipment

Petroleum exploitation involves the use of oil rigs, pumping units, oil well logging winches and other equipment. In addition to moderate climates for oil and gas drilling, these machines are also used in harsh environments such as deserts, rocky areas, marshes, shoals, oceans and places with severely cold temperatures. These environmental conditions require the gear speed reducer to be capable of heavy-duty operation. Our planet gear reducers are qualified for use in petroleum exploitation no matter the condition.

Application of Planetary Gear Reducers
Application of Planetary Gear Reducers

Cement Machinery

The technological progress in making gear units should focus on high efficiency, low energy consumption, low pollution and further enhancement of operational reliability and life extension. Our planetary gear speed reducers are equipped with bearings with high load capacity, so as to meet your special requirement for applications in cement industry.

Planetary Gearbox for Mixers

Planetary Gearbox for Mixers

Planetary Gearbox for Concrete Pump Truck

Planetary Gearbox for Concrete Pump Truck

Environmental Machinery

Planetary gear speed reducers are widely used in centrifuges, mixers, garbage compactors, and other machines used for environmental purposes. High-quality gearboxes can improve the operational stability of the machines and keep them running in excellent condition. Environmental machines are generally supposed to be capable of long-term operation. Our high-performance gear sets meet that requirement and provide a full set of advantages as well with their strength and energy saving capabilities.

Gear Speed Reducer for Centrifuge

Gear Speed Reducer for Centrifuge

Gear Speed Reducer for Garbage Compactor

Gear Speed Reducer for Garbage Compactor

Packaging Machinery

HZPT planet gear reducers play a fundamental role in packaging equipment use. Different aspects of packaging machinery, such as conveyors and lifts, utilize our gear reducers for operation. Bakery, filling, special packaging, and palletizing are all aspects of packaging machinery that involve our gear reducer.

Application of Planetary Gear Reducers
Application of Planetary Gear Reducers

Mixing Equipment

Our planet gear reducers are used in mixing equipment meant for both consumer products and food processing production HZPT gear reducers are manufactured to function efficiently and smoothly for use in extreme conditions, suitable for use in the food and consumer products industries.

Mixing Equipment
Bucket Conveyors

Bucket Conveyors

Our planet gear reducers are also used to operate a variety of equipment in the food processing industry, including bucket conveyors. Companies rely on our products for safe and effective operation of their machinery.

Boat Lifts

We have HZPT Boat Lift splenty of customers that rely on us for their boat lifts. As boats are taken in and out of the water, our gear reducers help move the boat in and out as needed.

Planetary Gear Reducers for Boat Lifts


You may be surprised to learn that our gear speed reducers are used in retractable theatre and gymnasium setups. Seating systems, curtains, and basketball hoops utilize our products to efficiently function and provide organizations with ease of use. In addition to the variety of uses mentioned above, our products are used in traffic control gates, machines that pour, shrink wrappers, cranes, hoists, elevators, and grain silos. As you can see, our gear speed reducers are vital to the success of different industries. To learn more about how our gear reducers can benefit your business, contact us now!

Planetary Gear Reducer Advantages

If you have been looking for a way to save on your power bills, you may want to consider investing in a planetary gear reducer. These gear reduction devices have many advantages, including lower noise levels, perfect precision, and higher efficiency. They also minimize losses, improve reliability, and minimize vibrations. 

Better rolling properties and torsion rigidity are planetary gear reducer advantages. They also minimize the risk of gear misalignment. The planetary gear reducer also has more teeth for a higher transmission torque. These characteristics make it ideal for applications where you need a high transmission torque but still need compact dimensions. These factors make them suitable for transport and lifting applications. They are also useful in medical equipment and instrumentation. Several models are available, including models with square flange designs and suitable for stepper or hydraulic motors.

The planetary gear system is easy to understand. Most studies have been performed in stationary conditions. Researchers have studied the behavior of a planetary gear set under various load conditions. A second study focuses on the effects of different design parameters on the vibration of a planetary gear system. These findings correlate with experimental results. They’re an excellent way to maximize the efficiency of a planetary gear system.