Swing Gearbox Sun Gear 3051678 Fit Hitachi Excavator EX60-2 EX60-3 EX75UR EX75UR-3

Product Name: Sun Gear
Reference Part Number: 3051678
Compatible Machine: Hitachi Excavator EX60-2 EX60-3 EX75UR EX75UR-3…

Description:
Description:
The Swing Drive Sun Gear within the swing drive system consists of a large gear with external teeth that mesh with other gears in the system. The sun gear is centrally positioned within the swing drive assembly and is responsible for transmitting torque to drive the swing motion of the equipment allowing for the controlled rotation maintaining reliable operation and longevity of the swing drive system.

Pos. Part No Qty Parts name Comments
00. J021035 [8] BOLT;SEMS
01. 2030269 [1] SHAFT;PROP.
02. 3051675 [1] SLEEVE
03. A811060 [1] O-RING
04. 4260666 [1] BRG.;SPH.ROL.
05. 4259935 [1] SEAL;OIL
06. 3051676 [1] COVER
07. 4260028 [2] O-RING
10. 4274179 [1] BRG.;SPH.ROL.
11. 1015181 [1] HOUSING
13. 960323 [1] RING;RETAINING
14. 1015182 [1] GEAR;RING
16. 2031037 [1] CARRIER
17. 4176070 [2] PLATE;THRUST
18. 9735359 [3] GEAR;PLANETARY
19. 4267081 [6] PLATE;THRUST
20. J011235 [16] BOLT;SEMS
Pos. Part No Qty Parts name Comments
21. 4259937 [3] PIN
22. 4139939 [6] PIN;SPRING
23. 3051678 [1] GEAR;SUN
24. 2031036 [1] CARRIER
25. 3051679 [3] GEAR;PLANETARY
26. 4259938 [3] BRG.;NEEDLE
27. 4259939 [3] PIN
28. 3051680 [1] GEAR;SUN
30. 4270468 [6] PLATE;THRUST
35. 8050351 [1] PIPE
36. 94-2012 [1] PLUG
37. 3063597 [1] COVER (for transportation)
38. 94-2011
[1] PLUG (for transportation)
39. J011035 [8] BOLT;SEMS (for transportation)
40. 4295829 [1] O-RING (for transportation)
100. M341036 [8] BOLT;SOCKET
106. 3053451 [1] GAUGE;LEVEL
108. 4272301 [1] PLATE
109. 4255227 [1] PIPE
110. 4255226 [1] CAP
111. 4272670 [1] MOTOR;OIL T 0602201
111. 4272670 [1] MOTOR;OIL T 4325475
111. 4325475 [1] MOTOR;OIL
112. 4295829 [1] O-RING
Pos. Part No Qty Parts name Comments
113. 3053093 [1] NAME-PLATE
114. M492564 [2] SCREW;DRIVE
115. 4259940 [1] PIPE
227. J931645 [10] BOLT
227. J931650 [10] BOLT
228. J222016 [10] WASHER
300. 9118328 [1] SWING DEVICE(WITHOUT MOTOR)