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Home » Products » Crane Accessories » Planetary Reducer

Planetary Reducer

The planetary gearbox for crane applications is a high-performance transmission solution specially developed for heavy-duty lifting equipment. Featuring a high-strength planetary gear transmission system, it offers a compact structure, low weight, high output torque, and excellent load-carrying capacity.

It is widely used in crane hoisting mechanisms, winch systems, slewing drives, and other heavy-duty transmission applications, providing stable, efficient, and reliable power transmission for lifting equipment.

With multi-stage planetary gear engagement, the gearbox effectively distributes loads, improves transmission efficiency, and enhances impact resistance, making it suitable for frequent starting, heavy loads, and demanding operating conditions.
 
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Structural Features

  1. High-strength Modular Design: 

    The gearbox adopts a high-strength modular design with a compact and space-saving structure. Two-stage or three-stage planetary transmission configurations are available to meet different speed ratio and torque requirements of crane applications.

  2. High Load-Carrying Planetary Gear System:

    The planetary gears are manufactured from high-strength alloy materials with precision machining and heat treatment processes, providing excellent wear resistance and impact strength. The multi-tooth engagement design ensures uniform load distribution and reliable operation under heavy-duty conditions.

  3. High Reliability Bearing System: 

    The gearbox is equipped with a high-capacity bearing system capable of handling radial and axial loads generated during winch operation, improving operational stability and extending service life.

  4. High Output Torque: 

    Designed for heavy lifting applications, the gearbox provides high output torque and powerful performance while maintaining a compact installation footprint.

Technical Parameters

Product Name

Model

Output Torque (T2max Nm)

Ratio (i)

Allowable input power (kw)

Gearbox Weight (kg)

Planetary Gearbox

P145T2-600

1200

44.3

3.7

(1450 r/min)

7.5

(2800 r/min)

20

57.6

3

(1450 r/min)

6.3

(2800 r/min)

17

Planetary Gearbox

P145T3-3k

2700

87.5

2.2

(1450 r/min)

4.5

(2800 r/min)

26

171

123.98

Planetary Gearbox

P175T2-1K

3000

40.4

11

(1450 r/min)

22

(2800 r/min)

35

Planetary Gearbox

P175T3-5K

5000

60

13

(1450 r/min)

22

(2800 r/min)

37

76.9

8.5

(1450 r/min)

18.5

(2800 r/min)

116.16

6.3

(1450 r/min)

13

(2800 r/min)

165.25

4.5

(1450 r/min)

8.5

(2800 r/min)

Planetary Gearbox

P215T2-4K

8000

36.4

30

(1450 r/min)

63

(2800 r/min)

75

Planetary Gearbox

P215T3-1W

10000

80.63

15

(1450 r/min)

30

(2800 r/min)

75

112.26

11

(1450 r/min)

18.5

(2800 r/min)

159.71

7.5

(1450 r/min)

15

(2800 r/min)

209

5.5

(1450 r/min)

11

(2800 r/min)

Planetary Gearbox

P215T2-2W

10000

40.4

37

(1450 r/min)

75

(2800 r/min)

95

Planetary Gearbox

P250T3-2W

12000

197

7.5

(1450 r/min)

18.5

(2800 r/min)

95

Planetary Gearbox

P270T3-3W

16000

41.4

58.7

(1450 r/min)

40.47

(1000 r/min)

100

84

28.9

(1450 r/min)

19.9

(1000 r/min)

112

21.7

(1450 r/min)

14.96

(1000 r/min)

220

11

(1450 r/min)

7.6

(1000 r/min)

Planetary Gearbox

P340T3-3W

16000

41

50

(1450 r/min)

110

(2800 r/min)

140

84

30

(1450 r/min)

55

(2800 r/min)

112

22

(1450 r/min)

37

(2800 r/min)

219.95

11

(1450 r/min)

22

(2800 r/min)

Planetary Gearbox

P360T3-5W

24000

41.4

90

(1450 r/min)

55

(1000 r/min)

220

81

45

(1450 r/min)

30

(1000 r/min)

160

22

(1450 r/min)

15

(1000 r/min)

Planetary Gearbox

P380T3-6W

43000

48.23

132

(1450 r/min)

90

(1000 r/min)

320

103

63

(1450 r/min)

42

(1000 r/min)

169.9

37

(1450 r/min)

26

(1000 r/min)

Planetary Gearbox

P440T3-8W

50000

47

160

(1450 r/min)

110

(1000 r/min)

420

87.64

90

(1450 r/min)

55

(1000 r/min)

126.94

55

(1450 r/min)

42

(1000 r/min)

Planetary Gearbox

P460T3-8W

80000

51.54

160

(1000 r/min)

132

(750 r/min)

455

128.6

75

(1000 r/min)

55

(750 r/min)

147.2

55

(1000 r/min)

45

(750 r/min)

Planetary Gearbox

P560T3-12W

160000

172

90

(1000 r/min)

63

(750 r/min)

620

Planetary Gearbox

P660T3-22W

300000

176

132

(750 r/min)

110

(600 r/min)

1400

Planetary Gearbox

P800T3-37W

500000

109.76

370

(750 r/min)

280

(600 r/min)

2200

Product Name

Model

Output Torque (T2max Nm)

Ratio (i)

Allowable input power (kw)

Gearbox Weight (kg)

1450 r/min

2800 r/min

Bevel Gearbox

ZT200

380

1.63

37

22

27

Bevel Gearbox

ZT600

1000

1.63

90

63

65

Bevel Gearbox

ZT1500

1500

1.63

90

63

65

Applications

  1. Electric Hoists and Hoisting Systems:

    Suitable for electric hoists, lifting machines, and hoisting mechanisms, providing high reduction ratios and torque output to improve equipment efficiency and operational reliability.

  2. Crane Winch Mechanisms:

    Widely used in winch systems of bridge cranes, gantry cranes, tower cranes, and port cranes, providing reliable driving power for wire rope drums in heavy lifting and frequent-duty applications.

  3. Slewing Mechanisms:

    Applied in slewing drives of tower cranes, port machinery, and construction equipment, ensuring smooth starting, accurate positioning, and reliable operation.

  4. Port and Heavy-duty Equipment:

    Suitable for port cranes, marine lifting equipment, and offshore machinery, with excellent capability to withstand heavy loads, vibration, and continuous operation.

Operating Conditions

The gearbox is designed for industrial operating environments and can be customized for different temperature, humidity, corrosion protection, and special working conditions. For applications involving salt spray, dust, high vibration, or severe impact, operating conditions should be confirmed in advance to ensure reliable performance.

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Henan Sanzhi Equipment Technology Co., Ltd. is located in Changyuan Crane Industrial Park, known as China's "Hometown of Cranes" , specializing in crane and crane core components.

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