Swing Reduction Sun Gear YR32W00002S011 Fit Excavator Kobelco SK60-5 SK70SR SK75SR SK80CS SK80MSR-1E SK70SR-2

Product Name: Sun Gear 2nd
Reference Part Number: YR32W00002S011
Fits and Compatible Machines: Excavator Kobelco SK60-5 SK70SR SK75SR SK80CS SK80MSR-1E SK70SR-2…

Description:
A Swing Drive Sun Gear is a central gear within the planetary gear set of a machine’s swing drive system. It’s the primary driving gear that receives rotational force from the hydraulic motor. The sun gear has fewer teeth compared to the surrounding planetary gears, which mesh with it. This gear ratio configuration allows the swing drive to convert the high-pressure, high-flow hydraulic power into a lower-speed, high-torque output for rotating the machine’s upper body with precision control.

Pos. Part No Qty Parts name Comments
1. YR32W00002S001 [1] SHAFT KOB PINION
2. YR32W00002S002 [1] COLLAR KOB
3. YR32W00002S003 [1] PLATE KOB
4. YR32W00002S004 [1] BEARING KOB ROLLER
5. YR32W00002S005 [1] GEAR KOB CASE
6. YR32W00002S006 [2] PLUG
7. YR32W00002S007 [1] SEAL KOB OIL
8. YR32W00002S008 [1] BEARING KOB ROLLER
9. PY32W00001S019 [2] PIN KOB
10. YR32W00002S010 [1] GEAR KOB RING
11. YR32W00002S011 [1] GEAR KOB
12. YR32W00002S012 [1] GEAR KOB
13. YR32W00002S013 [1] HOLDER KOB ASSY
14. YR32W00002S014 [6] CAPSCREW KOB SCREW CAPSCREW
15. YR32W00002S015 [1] REPAIR KIT KOB HOLDER ASSY Superseded by part number: YT32W00002R100
16. YR32W00002S016 [2] COLLAR KOB
17. 2436R354S18 [1] PLUG
18. NSS [6] NOT SOLD SEPARAT CON BEARING, NEEDLE
19. NSS [3] NOT SOLD SEPARAT CON SHAFT
20. NSS [3] NOT SOLD SEPARAT CON GEAR
21. NSS [6] NOT SOLD SEPARAT CON PLATE,THRUST
22. NSS [3] NOT SOLD SEPARAT CON PIN. SPRING
23. NSS [1] NOT SOLD SEPARAT CON HOLDER