Planetary Gearbox

Discover Planetary Gearboxes Engineered for Precision, Efficiency & Reliability

The preferred choice for high-torque, compact, and high-precision motion control in robotics, automation, automotive, renewable energy, and aerospace.

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Applications

Widely Used Across Industries

Industrial Robots & Automation、CNC Machines & Machine Tools、Electric Vehicles & Automotive Transmissions、Wind Turbines & Solar Trackers、Medical Equipment & Surgical Robots、Aerospace & Defense Systems、Packaging & Printing Machinery…

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What is a Planetary Gearbox?

A planetary gearbox (also called planetary reducer) is a high-performance gear system consisting of a sun gear, multiple planet gears, a ring gear, and a planet carrier. Its unique design allows power to be distributed across multiple planet gears, delivering significantly higher torque in a very compact space compared to traditional gear systems.

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How Does a Planetary Gearbox Work?

Power is transmitted from the sun gear to the planet gears. As the planets rotate on their own axes and revolve around the sun gear while meshing with the ring gear, they produce a high reduction ratio and multiplied output torque. The planet carrier transfers the output motion.

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Why Choose Planetary Gearboxes?

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  • High torque density in compact size
  • Efficiency up to 98%
  • Low backlash (as low as 1 arcmin)
  • Excellent load distribution
  • High precision and rigidity
  • Multiple reduction stages available
  • Long service life and reliability
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Planetary Gearbox for Sale

The following are some of our featured products. Our factory offers the most comprehensive range of gearboxes. If you have any needs, please feel free to contact us for a free product catalog.

Common Parameters of Planetary Gearboxes

Parameter Typical Range / Value Description
Gear Ratio 3:1 to 3000:1+ Ratio of input to output speed; single-stage typically 3:1–10:1, multi-stage expandable
Nominal Output Torque 100 Nm to 10,000+ Nm Continuous torque capacity; depends on motor matching and gear ratio
Acceleration Torque 1.5–2 × Nominal Torque Short-term peak load capability (limited to <1000 cycles/hour)
Full Load Efficiency 90% to 98% Energy transmission efficiency; higher with helical gear designs
Backlash 1–15 arcmin
(Precision type â‰Ī 3 arcmin)		 Output shaft free play; precision models offer ultra-low backlash
Rated Input Speed 1,000 to 6,000 RPM Maximum continuous input speed; derating required above 20°C ambient
Power Rating 0.09 kW to 150+ kW System power capacity suitable for various application scales
Noise Level 50–75 dB Operational noise; low-noise versions use precision gearing
Average Lifespan 5,000 to 20,000+ hours Based on load and maintenance; bearings and lubrication are critical
Size / Weight Diameter 50–500 mm
Weight 1–100+ kg		 Depends on power and number of stages; compactness is a key advantage

Data based on 2025–2026 industry standards â€Ē Actual values may vary by manufacturer and model

Planetary Gearbox in Wind Turbine Main Drive Systems

by | June 12, 2026 | Recycled resources | 0 Comments

Wind Energy · Main Drive Gearbox Technology The main gearbox of a utility-scale wind turbine converts the rotor's slow, high-torque rotation — typically 8 to 15 RPM — into the 1,500 or 1,800 RPM required by the generator. This speed multiplication factor of 100:1 or...
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Planetary Gearbox for Wind Turbine Yaw Drive Systems

by | June 12, 2026 | Recycled resources | 0 Comments

Wind Energy · Yaw Drive Planetary Gear Systems The yaw system rotates the entire nacelle of a wind turbine to face the rotor into the prevailing wind direction, maximizing energy capture across changing wind conditions. Each yaw drive module — four to eight are...
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Planetary Gearbox in Wind Turbine Pitch Control Systems

by | June 12, 2026 | Recycled resources | 0 Comments

Wind Energy · Blade Pitch Control Drive Systems The pitch system adjusts the angle of each rotor blade relative to the incoming wind, controlling the aerodynamic forces that determine rotor speed, power output, and structural loads. Each blade's pitch drive —...
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Planetary Gearbox for Solar Tracker Drive Systems

by | June 12, 2026 | Recycled resources | 0 Comments

Solar Energy · Tracker Drive Gear Technology Solar tracking systems tilt photovoltaic panels to follow the sun's arc across the sky, capturing up to 25–40% more energy than fixed-tilt installations. The drive mechanism at each tracker row — typically a slewing drive...
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Planetary Gearbox for Excavator Travel and Swing Drives

by | June 12, 2026 | Construction, mining | 0 Comments

Heavy Equipment · Excavator Drive Technology Hydraulic excavators rely on two distinct planetary gearbox systems — the travel drive that propels the undercarriage and the swing drive that rotates the upper structure. Both operate under extreme torque loads, shock...
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Planetary Gearbox in Crane Hoist and Slew Drive Systems

by | June 12, 2026 | Construction, mining | 0 Comments

Lifting Equipment · Crane Drive Planetary Gearboxes Cranes — tower, crawler, mobile, and overhead types — depend on planetary gearboxes to multiply motor torque for hoisting heavy loads, slewing the boom, and luffing the jib. Each drive axis operates under strict...
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Planetary Gearbox for Wheel Loader Drive Axle Systems

by | June 12, 2026 | Construction, mining | 0 Comments

Heavy Equipment · Wheel Loader Axle Drive Technology Wheel loaders rely on planetary hub reductions built into each wheel end to multiply the axle driveshaft torque into the massive tractive force needed to push a loaded bucket into a stockpile and propel a 15- to...
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Planetary Gearbox in Bulldozer Track Drive Systems

by | June 12, 2026 | Construction, mining | 0 Comments

Earthmoving Equipment · Bulldozer Final Drive Technology Bulldozers generate their legendary pushing power through final drive planetary gearboxes that multiply engine torque into the enormous tractive force at the sprocket. Each track is powered by its own final...
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Planetary Gearbox for Rotary Drilling Rig Applications

by | June 12, 2026 | Construction, mining | 0 Comments

Foundation Engineering · Rotary Drilling Rig Drives Rotary drilling rigs bore large-diameter shafts into the earth for building foundations, bridge piers, and retaining walls. The rotary drive head — the rig's primary working mechanism — uses a planetary gearbox to...
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Planetary Gearbox in Mining Crusher Drive Systems

by | June 12, 2026 | Construction, mining | 0 Comments

Mining & Aggregate · Crusher Drive Gear Technology Rock crushers — jaw, cone, gyratory, and impact types — process millions of tonnes of ore and aggregate annually, demanding drive systems that deliver massive sustained torque while surviving the relentless shock...
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Success Stories

Johnathan R., Mechanical Engineer

★★★★★ (5/5 Stars)

"I've been using this planetary gearbox in my robotics project for months now, and it's been a game-changer. The torque output is smooth and reliable, even under heavy loads, and the compact design saved me a ton of space. No complaints at all – it's just solid performance day in and day out."

Elena S., Automation Specialist

â˜…â˜…â˜…â˜…Â― (4.5/5 Stars)

"Switched to this model for our CNC machines, and it's holding up great. The efficiency is noticeable right away, with less heat buildup than our old setup. Installation was straightforward, and the low backlash makes precision work a breeze. Definitely worth the investment for anyone in industrial automation."

Marcus T., Renewable Energy Technician

★★★★★ (5/5 Stars)

"Installed this in a wind turbine prototype, and it's performing flawlessly. The multi-stage reduction handles varying speeds without a hitch, and the durability is impressive in outdoor conditions. Feels like a reliable partner in the field – highly recommend for energy applications."