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Kobelco SK115SR SK135 Excavator Slewing Gearbox YY02-03001 YX32W00002F2

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Kobelco SK115SR SK135 Excavator Slewing Gearbox YY02-03001 YX32W00002F2

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Brand Name : Belparts

Model Number : SK115SR SK135

Place of Origin : Made in China

MOQ : 1 piece

Price : Negotiable Price

Payment Terms : T/T, Paypal and Trade Assurance

Supply Ability : 1000pieces

Delivery Time : 1-7days

Packaging Details : Wooden packing

Model Name : SK115SR SK135

Part Number : YY02-03001 YX32W00002F2

Brand : kobelco

Material : Steel

After-sales Services : Online

Contact Now

Kobelco SK115SR SK135 excavator Slewing Gearbox YY02-03001 YX32W00002F2

Appliion Excavator
Part name Belparts swing gearbox
part number

YY02-03001 YX32W00002F2
Model SK115SR SK135
Brand kobelco
Payment term T/T, Paypal, Trade assurance, or as required
Delivery 3 days after the payment received
Shipment by sea, by air, by express, or as required

Construction & Key Components

The swing gearbox consists of several essential parts:

(A) Hydraulic Motor

  • Converts hydraulic energy into mechanical rotation.

  • Common types: Axial piston motors, gerotor motors.

(B) Planetary Gear System

  • Sun gear: Driven by the motor.

  • Planet gears: Rotate around the sun gear, mounted on a carrier.

  • Ring gear: Stationary or rotating, depending on design.

  • Provides high torque output while maintaining compact size.

(C) Slewing Bearing (Swing Ring)

  • Large-diameter ball or roller bearing that supports the excavator’s rotation.

  • Can be internal gear type (common in modern excavators) or external gear type.

(D) Brake System

  • Hydraulic disc brake (common in modern excavators).

  • Mechanical brake (used in older models).

  • Prevents free rotation when the machine is idle.

(E) Housing & Seals

  • Cast iron or steel housing for durability.

  • Oil seals and gaskets prevent leakage and contamination.

Pos. Part No Qty Parts name Comments
1. YN32W01051P1 [1] SHAFT SM
2. YN32W01052P1 [1] GEAR SM
3. YN32W01117P1 [3] GEAR SM Pinton
4. YN32W01054P1 [1] GEAR SM
5. YN32W01055P1 [4] GEAR SM
6. YN32W01056P1 [1] RING GEAR SM
7. YN32W01123F1 [1] SPIDER KOB Spider, Inludes, Refs. 7-1 & 7-2
7-1. NSS [1] NOT SOLD SEPARAT CON Spider
7-2. NSS [3] NOT SOLD SEPARAT CON Shaft
8. YN32W01058P1 [1] CARRIER,Housing, Spider SM
9. YN32W01067P1 [4] SHAFT SM
10. YN32W01030P1 [1] SPHERICAL BEARING KOB Superseded by part number: 25Z804D18
11. YN32W01029P1 [1] SPHERICAL BEARING KOB Superseded by part number: R25P0047D9
12. YN32W01060P1 [1] OIL SEAL SM
13. YN32W01104P1 [1] BOX SM Superseded by part number: YN32W00022F2
14. YN32W01026P1 [3] THRUST WASHER KOB
15. YN32W01028P1 [3] THRUST WASHER KOB
16. YN32W01022P1 [102] ROLLER KOB
17. YN32W01072P1 [4] NEEDLE BEARING SM
18. YN32W01063P1 [8] WASHER SM
19. ZR16X03500 [1] RING KOB Retaining -- ID 32.20 x OD 35 x Th 1.6mm
20. ZR16X09000 [1] RING KOB Retaining -- ID 84.50 x OD 108 x 3.0mm
21. YN32W01082P1 [1] SLEEVE SM
22. ZP26D08025 [4] PIN KOB Roll -- OD 08 x 25mm Long
23. HS23C14135G1 [11] SCREW,M14 x 135mm SM M14x2.0x135mm
24. PV02B01073DB [2] CAP KOB 18.4mm Plastic
25. YN32W01080D1 [1] RIGID TUBE SM 1/2" PT x 112mm Long
26. ZG31U08000 [1] HYD CONNECTOR SM Elbow, 90° -- 1/2" PT
27. ZE82T08000 [1] PLUG KOB 1/2" PT
28. ZR16X04000 [3] RING KOB Retaining -- ID 37 x OD 40 x Th 1.8mm
29. YN32W01081P1 [1] OIL SEAL SM
30. ZG91V02000 [1] LUBE NIPPLE,67 Degree x 1/8" PT KOB 67° x 1/8" PT Superseded by part number: 72283072
31. 2444Z3305 [1] BREATHER KOB 1/8"PT

Kobelco SK115SR SK135 Excavator Slewing Gearbox YY02-03001 YX32W00002F2

Kobelco SK115SR SK135 Excavator Slewing Gearbox YY02-03001 YX32W00002F2

Kobelco SK115SR SK135 Excavator Slewing Gearbox YY02-03001 YX32W00002F2


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