Swing Reduction Planetary Gear 3084940 Fit Excavator Hitachi ZX110 ZX110-3 ZX120 ZX120-3 ZX130-3 ZX135US

Product Name: Planetary Gear
Reference Part Number: 3084940
Compatible Machine: Excavator Hitachi ZX110 ZX110-3 ZX110M-3 ZX120 ZX120-3 ZX125US ZX130-3 ZX135US ZX135US-3 ZX140W-3…

Description:
A Planetary Gear is used within the swing drive, providing the necessary torque amplification and smooth operation. When power is transmitted to the swing drive, the sun gear receives rotational input, typically from a hydraulic motor or an electric motor. As the sun gear rotates, it drives the planet gears, which in turn rotate around the sun gear. The planet gears also engage with the internal teeth of the ring gear, causing the ring gear and the entire swing housing to rotate.

Pos. Part No Qty Parts name Comments
00. 2044629 [1] SHAFT;PROP.
01. 3083710 [1] SLEEVE
02. A811095 [1] O-RING
03. 4430041 [1] BRG.;ROL.
04. 4411143 [1] SEAL;OIL
05. 1027901 [1] HOUSING
06. 4408119 [1] BRG.;ROL.
07. 3083674 [1] NUT
08. 4407745 [1] PLATE;LOCK
10. J901020 [2] BOLT
11. 2042965 [1] CARRIER
12. 4176070 [1] PLATE;THRUST
13. 4408102 [3] PIN
14. 4414855 [3] BRG.;NEEDLE
15. 3084940 [3] GEAR;PLANETARY
16. 4414833 [6] PLATE;THRUST
17. 4116308 [6] PIN;SPRING
19. 3092035 [1] GEAR;SUN
20. 2045146 [1] GEAR;RING
21. M341440 [12] BOLT;SOCKET
23. 2042964 [1] CARRIER
24. 4244904 [1] PLATE;THRUST
25. 4408122 [3] PIN
26. 4430040 [3] BRG.;NEEDLE
27. 3083741 [3] GEAR;PLANETARY
28. 4408002 [3] PLATE;THRUST
29. 3083740 [1] GEAR;SUN
31. 3087949 [1] PIPE
33. 94-2012 [1] PLUG
101. 9182929 [1] MOTOR;OIL I 9196962 assembly of machine)
101. 9196962 [1] MOTOR;OIL r transportation)
102. 927488 [1] RING;RETAINING
106. 4298608 [1] CAP
107. M341025 [7] BOLT;SOCKET
108. 3053093 [1] NAME-PLATE
109. M492564 [2] SCREW;DRIVE
114. 4449144 [1] PIPE
115. 3090862 [1] GAUGE;LEVEL
116. 4449182 [1] PIPE
117. 4436535 [1] SENSOR;PRES.