Planetary Gearboxes Manufacturers & Product Specifications

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29 manufacturers

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A planetary gearbox shares load across several planet gears. Confirm nominal and peak torque separately, together with ratio, input speed, backlash and mounting dimensions.

Manufacturer	Product focus	Profile
Xiaolan TransmissionShanghai, China	Planetary	Precision planetary reducers for automation and machinery.
HuanouJiangsu, China	Helical · Planetary	Industrial, planetary and application-specific gearboxes.
ZD / Zhongda LeaderZhejiang, China	Planetary	Precision planetary gearbox ranges, including the ZE series.
BonengJiangsu, China	Helical · Planetary · Bevel · Worm	Helical, bevel-helical and planetary gearbox ranges for industrial transmission.
NGCJiangsu, China	Helical · Planetary	Industrial gearbox and transmission solutions, with ranges serving heavy industry and wind energy.

Planetary Gearboxes: documented products

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Boneng

P Industrial Planetary Gearbox

An industrial planetary gearbox family for high output torque and large reduction ratios. Published limits describe the family, not a single selectable operating point.

Sizes: P209–P236 / P309–P336
Output torque: 22–2,600 kNm
Ratio: 25–4,000

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WANSHSIN

WVRB Precision Planetary Gearbox

A helical planetary series with a double-supported output structure. Compare frame size and ratio together: a larger reduction ratio does not necessarily increase the catalog torque rating.

Frame sizes: 042 / 060 / 090 / 115 / 140 / 180 / 220
Ratio: 3–100
Rated output torque: 10–2,000 Nm, depending on frame and ratio

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Newstart

AB60 Precision Planetary Gearbox

AB60 precision planetary reducer with one- and two-stage arrangements. The official 2025 catalog links each ratio to nominal output torque and precision grade. The table below covers single-stage P1 configurations; P2 and two-stage backlash limits differ.

Frame: AB60
Single-stage ratios: 3 / 4 / 5 / 6 / 7 / 8 / 9 / 10
Single-stage nominal torque: 55 / 65 / 60 / 52 / 50 / 45 / 42 / 42 Nm, respectively

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SGR

Industrial Planetary Gear Reducers

SGR documents industrial planetary reducers with multiple input and output interfaces. The source range identifies candidate families; select an exact assembly for the load and duty.

Ring gear size range: 200–885 mm
Series output torque limit: ≤540,000 Nm
Ratio range: ≥3

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More Planetary Gearboxes series

Explore the other published series in this category and open each page for its documented specifications.

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A planetary gearbox shares load across several planet gears. Confirm nominal and peak torque separately, together with ratio, input speed, backlash and mounting dimensions.

Operating requirements

State input speed, target output speed, running torque, repeated peak load and the motion cycle. Include temperature, operating hours and shock loading.