Swing Reduction Sun Gear 171-9449 171-9456 Fit Excavator Caterpillar CAT 307C 307D 308C 308D 308E

1st Stage Sun Gear 171-9449: 25T, 13S Inner, Thickness 25.5mm;
2nd Stage Sun Gear 171-9456: 19T, Height 45.5mm;
It is used for Swing Reduction System;
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Product Name: Sun Gear 1st & 2nd Stage
Reference Part Number: 171-9449, 171-9456
Compatible Machine: Excavator Caterpillar CAT 307C 307D 308C 308D 308E…

Description:
A Sun Gear is designed to transfer torque from the input shaft to the planetary Gears, which in turn transmit power to the output shaft.

CAT308C Swing Reduction Diagram

Pos. Part No Qty Parts name Comments
1. 095-9805 M [4] BOLT-SOCKET HEAD (M14X2X40-MM)
2. 204-2748 Y [1] MOTOR GPSWING
3. 171-9446 [1] PLATE
4. 171-9447 [1] PLATE
5. 171-9448 [1] PLATE
6. 095-1590 [1] SEAL-O-RING
7. 139-7308 [2] PLUG
8. 095-1575 [2] SEAL-O-RING
9. 171-9449 [1] GEAR
10. 171-9454 [4] BEARING
11. 171-9441 [4] GEARPLANETARY
12. 171-9440 [4] WASHER (36X58.5X2-MM THK)
13. 171-9453 [4] RACE
14. 171-9439 [1] CARRIER
15. 171-9473 [1] HOUSING AS
16. 171-9451 [1] SEAL
17. 171-9438 [1] COLLAR
18. 171-9456 [1] GEAR
19. 171-9457 [1] RINGRETAINING
20. 171-9455 M [4] SCREW (8X1.25X16-MM)
21. 171-9442 [1] PLATE
22. 171-9443 [1] CARRIER
23. 150-0814 [3] WASHER
24. 099-7076 [1] SEAL-O-RING
25. 171-9445 [3] GEAR
26. 150-0812 [3] BEARING ASNEEDLE
27. 150-0813 [3] RACE-INNER
M METRIC PART
Y SEPARATE ILLUSTRATION