Swing Reduciton Gear Ring 2028037 Fit Hitachi Excavator EX100-2 EX100-3 EX120-2 EX120-3

Product Name: Gear Ring
Reference Part Number: 2028037
Compatible Machine: Hitachi Excavator EX100-2 EX100-3 EX100-3C EX100M-2 EX100M-3 RX100WD-3 EX100WD-3C EX120-2 EX120-3 EX120-3C EX120K-3…

Description:
A Swing Drive Planetary Ring Gear is a toothed internal gear on its inner circumference. The inner circumference of the ring gear engages with the planet gears and the sun gear, transferring torque and enabling the gear assembly to perform its intended function. As power flows through the system, the interaction between the ring gear, sun gear, and planet gears allows for torque multiplication or reduction, depending on the gear ratio and arrangement.

Attributes:
• Enable to handle high torque loads efficiently, ensuring reliable performance under demanding operating conditions
• Manufactured to precise specifications and are built for durability and reliability

Applications:
A Swing Drive Planetary Ring Gear helps to the performance of planetary drive systems by facilitating torque transmission, directional control, load distribution, and speed variation.

Pos. Part No Qty Parts name Comments
00. 2028036 [1] SHAFT;PROP.
01. 4244693 [1] SLEEVE
04. A811100 [1] O-RING
05. 4248609 [1] BRG.;SPH.ROL.
09. 4244691 [1] SEAL;OIL
14. 1014526 [1] HOUSING T 1017261
14. 1014526 [1] HOUSING 3058620
14. 1017261 [1] HOUSING
15. 3049949 [1] COVER T 3058620
15. 3049949 [1] COVER 1017261
15. 3058620 [1] COVER
16. 4247567 [1] O-RING
17. J011035 [8] BOLT;SEMS
18. 969154 [1] BRG.;SPH.ROL. I 4293424
18. 4293424 [1] BRG.;SPH.ROL.
19. 991350 [1] RING;RETAINING
22. 2031003 [1] CARRIER
23. 4258089 [1] PLATE;THRUST
26. 9732811
[3] GEAR;PLANETARY
28. 4244696 [3] PIN
29. 4063351 [3] PIN;SPRING
30. 4266255 [6] PLATE;THRUST
31. 4247567 [1] O-RING
33. 2028037 [1] GEAR;RING
35. M341450 [12] BOLT;SOCKET
38. 3046918 [1] GEAR;SUN
39. 2031106 [1] CARRIER
41. 4244904 [1] PLATE;THRUST
42. 3046916 [3] GEAR;PLANETARY
44. 4249345 [3] BRG.;NEEDLE
45. 4244689 [3] PIN
46. 4116307 [3] PIN;SPRING
47. 4269480 [6] PLATE;THRUST
48. 3046917 [1] GEAR;SUN
50. 4244541 [1] O-RING
54. 8050210 [1] PIPE
57. 94-2012 [1] PLUG
60. 8053413 [1] COVER (for transportation)
61. J011050 [8] BOLT;SEMS (for transportation)
62. 94-2011
[1] PLUG (for transportation)
100. 4241171 [1] MOTOR;OIL
101. M341028 [8] BOLT;SOCKET
102. 927488 [1] RING;RETAINING
105. 4264452 [1] PIPE
106. 3053451 [1] GAUGE;LEVEL
108. 4255227 [1] PIPE
109. 4255226 [1] CAP P 4298608
109. 4298608 [1] CAP
111. 3053093 [1] NAME-PLATE
112. M492564 [2] SCREW;DRIVE
127. J932060 [10] BOLT
128. 4018545 [10] WASHER
200. 9111265 [1] SWING DEVICE (WITHOUT MOTOR)