Swing Reduction Planet Gear 171-9441 4PCS Fit Excavator Caterpillar CAT 307C 307D 308C 308D 308E

Product Name: Planetary Gear 2nd Stage
Reference Part Number: 171-9441, 1719441
Compatible Machine: Excavator Caterpillar CAT 307C 307D 308C 308D 308E…

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
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