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Rexroth GFB series Swing drive
ranges: Torque 12700-93300 N.m

Rexroth GFB swing drive motor  
   
Hydraulic Rexroth GFB swing motor 
GFB17T2 GFB17T3 GFB24T3 GFB26T2 GFB36T2 GFB36T3 GFB40T2
GFB50T3 GFB60T2 GFB60T3 GFB80T2 GFB84T2 GFB110T3 

 

A4VSO piston pump

 

GFB Swing Drive with Output Torques up to 485 kNm

The hydrostatic swing gears of type MOBILEX GFB feature high performance and are ideal driving components that have proven their worth under arduous application conditions in the most unfavorable operating environments. Swing gears MOBILEX GFB are employed in excavators. Due to their extremely compact size they are best suited for direct mounting inside the equipment. Their design provides for ease of mounting and maintenance. The use of case-hardened gearwheels and nitrite annulus gears has resulted in low-noise running characteristics, and a consistently high manufacturing standard ensures excellent load carrying ability and outstanding operational reliability. The teeth of the gearwheels are optimized on the basis of L+S computer programs and yield highest safety margins. The drives feature an optimum total efficiency. The gear units described in this bulletin are subject to constant updating and technical advancement. To suit the specific needs of our customers with respect to dimensions and output further variants can be made available on request. We are prepared to give advice and provide assistance whenever needed, even in the project stage, to find the most appropriate application solution for you.

– High-duty planetary gearbox of modular construction
– Compact, space-saving, two-stage planetary gear design
– Robust bearing system absorbing the forces exerted by the ring gear
– Simple mounting, low-noise running, high efficiency
– Long service life, easy oil change

Application Conditions:Rexroth swing motor gearboxes have been designed for use at ambient temperatures ranging between -20° C and + 40° C. Environmental influences such as salt water, salty air, sand, dust, overpressure, heavy vibrations, extreme shocks and ambient temperatures, aggressive media and the like will impede the function of the product. To enable a safe design of the winch drive such conditions must be reported to the Factory.
Lubrication: The gear teeth and bearings are splash lubricated. Aside from periodic oil changes, the drive units are maintenance-free. Oil changes are easy to do. The oil brands recommended in the operating manual shall be exclusively used.
The change intervals for the relevant application conditions are also given in the operating manual. The pinion-side antifriction bearing of the output shaft is grease-lubricated for life.
Brake: The standard supply scope includes a spring-loaded, hydraulically released multiple-disk parking brake arranged on the input side. The multiple-disk holding brake is not a service brake.
Hydraulic Motor: The gearbox is designed for direct flange attachment of a variable or fixed displacement motor (preferably a Rexroth hydraulic motor). If requested, the motor can be supplied along with the gearbox.
Gearbox Supply: Rexroth MOBILEX planetary gearboxes are delivered ready for installation, but without oil filling. The standard gearbox version comes with a priming coat of grey color and is internally protected with a temporary corrosion preventive that preserves the gearbox for 24 months, if stored in a dry location.
External flanges, shaft extensions and mating faces are protected with TECTYL 502 C.
Weights, Oil Volumes, Dimensions: The specified weights are average figures. As far as oil volumes are concerned, swing motor gearbox operators should rely on oil level readings rather than specified oil volumes. Figures and dimensions are not strictly binding. We reserve the right to make changes in line with technical progress.
Further Notes: As prescribed by statutory provisions, all rotating parts must be protected by guards against accidental contact. Local safety regulations must be complied with. Commissioning and maintenance of the gearboxes must be performed in line with the instructions given in our operating manual.

Technical Data of the GFB swing motor 
Table of values (theoretical values, without efficiency and tolerances; values rounded)

Rexroth GFB swing motor

Excavator 

Crane 

Gear Ratio
from-to
i

Output Torque T2 max
Nm

GFB17T2

7700

12700

17.27 - 45.66

GFB17T3

7700

12700

78.95 - 105.63

GFB24T3

10600

17500

91.13 - 138.20

GFB26T2

10000

16500

31.36 - 63.00

GFB36T2

17500

28500

20.71 - 28.93

GFB36T3

17500

28500

67.96 - 117.55

GFB40T2

18000

29000

42.04 - 60.13

GFB50T3

22000

38000

126.66 - 147.39

GFB60T2

27800

48500

40.41

GFB60T3

27800

48500

87.46 - 170.89

GFB80T2

38200

68300

62.28 - 186.43

GFB84T2

38200

68300

35.13

GFB110T3

52000

93300

174.86

GFB144T2

54000

94500

49.3

 

Rexroth GFB swing motor

Output Torque

Gear Ratio
i

Braking Torque

Hydraulic  Motor

Excavator

Crane

TBr max. Nm

GFB17T2 1000

7700

12700

17.27 • 32.47 • 45.66

390

A2FE45 • A2FE56 • A2FE63

GFB17T2 2000

7700

12700

17.27 • 32.47 • 45.66

390

A2FE45 • A2FE56 • A2FE63

GFB17T3 1000

7700

12700

78.95 • 89.21 • 103.62 • 105.63

249

A2FE28 • A2FE32

GFB17T3 2000

7700

12700

78.95 • 89.21 • 103.62 • 105.63

249

A2FE28 • A2FE32

GFB24T3 1000/1

10600

17500

91.13 • 103.63 • 121.5 • 138.2

249

A2FM28 • A2FE32

GFB24T3 1000/3

10600

17500

91.13 • 103.63 • 121.5 • 138.2

249

A2FM45 • A2FM56 • A2FM63

GFB26T2 1000

10000

16500

31.36 • 43.87 • 51.52 • 63

332

A2FE80 • A2FE90

GFB26T2 2000

10000

16500

31.36 • 43.87 • 51.52 • 63

332

A2FE80 • A2FE90

GFB36T2 2000

17500

28500

20.71 • 24 • 28.93

390

A2FE107

GFB36T3 1000/1

17500

28500

67.96 • 80.36 • 101.02 • 117.55

332

A2FM45 • A6VM 55

GFB36T3 1000/2

17500

28500

67.96 • 80.36 • 101.02 • 117.55

332

A2FE45 • A2FE56 • A2FE63

GFB36T3 1000/3

17500

28500

67.96 • 80.36 • 101.02 • 117.55

332

A2FE80 • A2FE90

GFB36T3 2000

17500

28500

67.96 • 80.36 • 101.02 • 117.55

332

A2FE45 • A2FE56 • A2FE63

GFB40T2 1000/1

18000

29000

42.04 • 49.28 • 60.13

588

A2FE45 • A2FE56 • A2FE63

GFB40T2 1000/2

18000

29000

42.04 • 49.28 • 60.13

588

A2FE80 • A2FE90

GFB40T2 1000/3

18000

29000

42.04 • 49.28 • 60.13

588

A2FE107 • A2FE125

GFB40T2 1000/4

18000

29000

42.04 • 49.28 • 60.13

588

A2FE45 • A2FE56 • A2FE63

GFB40T2 1000/5

18000

29000

42.04 • 49.28 • 60.13

588

A2FM125

GFB40T2 2000/1

18000

29000

42.04 • 49.28 • 60.13

588

A2FE45 • A2FE56 • A2FE63

GFB40T2 2000/2

18000

29000

42.04 • 49.28 • 60.13

588

A2FE80 • A2FE90

GFB40T2 2000/3

18000

29000

42.04 • 49.28 • 60.13

588

A2FE107 • A2FE125

GFB50T3 1000/1

22000

38000

126.66 • 147.39

332

A2FE45 • A2FE56 • A2FE63

GFB50T3 1000/2

22000

38000

126.66 • 147.39

332

A2FE80 • A2FE90

GFB50T3 1000/3

22000

38000

126.66 • 147.39

332

A2FE107 • A2FE125

GFB50T3 1000/4

22000

38000

126.66 • 147.39

332

A2FM63

GFB60T2 1000/1

27800

48500

40.41

613

A2FE107 • A2FE125

GFB60T2 1000/2

27800

48500

40.41

613

A2FE107 • A2FE125

GFB60T3 1000

27800

48500

87.46 • 95.8 • 140.86 • 170.89

613

A2FM80 • A2FE90

GFB60T3 2000/1

27800

48500

87.46 • 95.8 • 140.86 • 170.89

613

A2FE80 • A2FE90

GFB60T3 2000/2

27800

48500

87.46 • 95.8 • 140.86 • 170.89

613

A2FE107 • A2FE125

GFB80T3 1000/1

38200

68300

62.28 • 111.86 • 186.43

975

A2FE80 • A2FE90

GFB80T3 1000/2

38200

68300

62.28 • 111.86 • 186.43

975

A2FE107 • A2FE125

GFB80T3 1000/3

38200

68300

62.28 • 111.86 • 186.43

975

A2FM90

GFB84T2 2000/1

38200

68300

35.13

1661

A2FM180 • A2FM200

GFB84T2 2000/2

38200

68300

35.13

1661

A2FM180 • A2FM200

GFB110T3 1000/1

52000

93300

174.86

588

A2FE80 • A2FE90

GFB110T3 1000/2

52000

93300

174.86

588

A6VM200

GFB144T2 2000

54000

94500

49.3

1423

A2FM180 • A2FM200

 

 



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