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Mining Equipment
SWING GEARBOX SUN GEAR Z=21
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The swing gearbox sun gear with 21 teeth is the central component of the planetary reduction drive, transmitting torque to the planet gears and ring gear. Its precise operation ensures smooth and stable rotation of the machine’s upper structure. Regular maintenance or replacement prevents catastrophic gearbox failure and eliminates costly unplanned downtime.
Compatible machines:
- A309 LI-1035
- A309 LI-717
- A309 LI717-717
- A311 LI-1036
- A311 LI-718
- A311 LI718-718
- A312 LI-1037
- A312 LI-719
- A314 LI-1039
- A314 LI-635
- A316 LI-1040
- A316 LI-1041
- A316 LI-715
- A316 LI-716
- A316 LI715-715
- A316 LI716-716
- A900 B-LI-662
- A900 C-LI-1002
- A900 C-LI-917
- A900 C-LI-987
- A900 C-ZW-1030
- A900 C-ZW-1031
- A900 C-ZW-1032
- A900 C-ZW-1033
- A900 C-ZW-1384
- A900 C-ZW-1385
- A900 C-ZW-729
- A900 C-ZW-730
- A900 C-ZW-931
- A902 IND-583
- A902 IND-638
- A904 C-LI-1003
- A904 C-LI-1004
- A904 C-LI-1005
- A904 C-LI-1071
- A904 C-LI-439
- A904 C-LI-440
- A904 C-LI-441
- A904 C-LI-477
- A904 IND-710
- A904 IND-711
- A904 LI-665
- A904 LI-666
- A904 LI-667
- A904 LI-720
- A918 COMP-1192
- A918 COMP-1508
- A918-1184
- P314 LI-1350
- R313 LI-1038
- R313 LI-636
- R317 LI-1042
- R317 LI-1043
- R317 LI-362
- R317 LI-970
- R321-607
- R900 B-LI-664
- R900 B-LI-762
- R900 B-LI-920
- R900 C-LI-1076
- R900 C-LI-971
- R900 C-LI-981
- R900 C-LI-982
- R902-584
- R904 C STD-984
- R904 C-1017
- R904 C-984
- R904 C-EW-993
- R904 C-STD-984
- R904 CHDSL-983
- R904 CHDSL-985
- R904 CS-LC-1018
- R904 CSLC-1018
- R904 EW-670
- R904 HD-SL-668
- R904 HDSL-668
- R904 HDSL-669
- R904 HDSL-694
- R904 HDSL-983
- R904 HSDSL-694
- R904 S-LC-733
- R904 SLC-733
- R904 STD-669
- R904 STD-704
- R904-668
- R904-694
- R904C EW-993
- R904C HDSL-983
- R904C HDSL-985
- R904C STD-984
- R914 BHDSL-960
Fits slewing reducers:
- SAT 225/218
- SAT 225/220
- SAT 225/228
- SAT 225/229
- SAT 225/230
- SAT 225/240
Component used in slewing reducers (upper structure rotation gearboxes) of excavators, cranes, material handlers and mining machines. Industry synonyms: swing gearbox, slewing reducer, swing reducer, swing drive, slewing drive, swing reduction gear, slew drive.
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Consistent reliability in all conditions
We will deliver top-quality parts ensuring machine reliability even under the most demanding working conditions.
New
parts
New parts are original Liebherr products from official manufacturer distribution.
Used
parts
Used parts undergo a multi-stage verification process ensuring their condition and performance parameters. This is an attractive alternative offering an excellent price-to-remaining-life ratio.
