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135-9044 Lip type Seal for Caterpillar 349DL Hydraulic Excavator 418-7154 Swing Motor

Model:Caterpillar 349DL Swing Motor Lip-type Seal
Part Name:Swing Motor Box Lip-type Seal
Motor Part Number:418-7154,4187154
Part Number:135-9044,1359044
For:Caterpillar 352F,322BL,345BII,345BL,349D,324DFMLL,349FLXE,349DL
Material:Steel+NBR
MOQ:1PCS
Description Review
Description
Model:Caterpillar 349DL Swing Motor Lip-type Seal
Part Name:Swing Motor Box Lip-type Seal
Motor Part Number:418-7154,4187154
Part Number:135-9044,1359044
For:Caterpillar 352F,322BL,345BII,345BL,349D,324DFMLL,349FLXE,349DL
Material:Steel+NBR
Certification: IOS 9001
Packaging Details: bag or box +carton
Delivery Time:2-5days upon payments confirmed
Brand:Bulldog,TOPARTS, OEM or as Required
Payment Terms:TT/Paypal/WEST UNION
Supply Ability:500
MOQ:1pc
Parts list

NO.

Part Number

Quantity

Product Name

Grp

418-7154

 

DRIVE GP-SWING-WITHOUT MOTOR

1

6V-7238

1

VALVE-SHUTOFF (HYDRAULIC OIL)

2

094-0611

14

WASHER (47.3X76X1-MM THK)

3

114-1398

1

    OIL LEVEL DRIVE)

CL

394-9815

1

GAUGE-OIL-YM

4

114-1399

 

PIPE-GAUGE

5

191-2694

1

  SHAFT-PINION

6

191-2696

 

CAGE

7

227-6221

1

BREATHER AS(SWING DRIVE)

 

4H-6112

1

(SWING DRIVE)

 

227-6215

1

BOSS (1/4-18-THD)

 

267-6785

1

PIPE

8

296-6268

3

 BEARING AS-ROLLER

9

418-7160

1

GEAR-SUN (13-TEETH, 18-TEETH)

10

418-7161

1

GEAR-SUN (23-TEETH)

11

418-7162

3

       GEAR-PLANETARY (25-TEETH)

12

418-7163

4

            GEAR-PLANETARY  (22-TEETH)

13

418-7164

1

       GEAR-RING (69-TEETH)

14

418-7167

4

SHAFT

15

418-7196

1

HOUSING

16

418-7232

1

COVER-HOUSING

17

418-7233

8

   BEARING AS-ROLLER

18

418-7234

1

 CARRIER AS

19

418-7235

1

 CARRIER-PLANETARY

20

422-1352

2

SPACER

21

422-4054

3

RING-RETAINING

22

451-2182

50

WASHER-HARD

23

453-3447

20

BOLT

24

093-1730

2

RING-RETAINING

 

095-0670

30

BOLT

26

509-6676

     4

PIN-SPRING

27

096-2653

     1

RING-RETAINING

28

135-9044

     2

SEAL-LIP TYPE

29

136-2904

     1

BEARING

30

136-2940

     1

BEARING

31

191-2697

     1

SPACER

32

3K-0360

     1

SEAL-O-RING

33

8J-8879

     1

SEAL-O-RING

 

1U-8846

 

SEALANT-GASKET

Exploded view

Product Description

Heavy-Duty 135-9044 Shaft Lip Seal for Caterpillar 349DL Excavator 418-7154 Swing Motor

Maintain perfect hydraulic containment and eliminate expensive swing mechanism failures with Toparts' premium 135-9044 lip-type rotary shaft seal. Specifically precision-engineered for the 418-7154 swing motor group utilized on heavy-duty Caterpillar 349DL hydraulic excavators, this high-performance component is built to withstand the rigorous demands of mass excavation, quarrying, and heavy mining operations.

The Toparts Engineering Difference: Built for 50-Ton Mining Demands

In large-scale excavators like the Cat 349DL, the swing motor undergoes continuous, violent directional changes, generating immense inertial torque, pressure spikes, and structural harmonic vibrations. Standard aftermarket seals often deform or carbonize under these high-friction, high-heat conditions, leading to internal hydraulic fluid entering the swing reduction gear case (cross-contamination). At Toparts, we manufacture our 135-9044 seals to eliminate these specific vulnerabilities:

Reinforced High-Fluorine Elastomer Compound: Molded from premium, wear-resistant synthetic rubber (FKM / Specialized Viton) integrated with a corrosion-resistant steel reinforcement cage and a stainless steel garter spring. This provides 35% higher elasticity retention and constant radial sealing pressure against the spinning shaft under continuous 120°C+ operating temperatures.

Torsional Vibration Deflecting Lip Geometry: The primary lip features an optimized hydrodynamic edge profile that actively deflects high-pressure spikes and absorbs shaft runout/wobble during sudden swing deceleration or bucket braking.

Zero-Leakage Active Fluid Flow: Engineered with low-friction micro-grooves that utilize centrifugal force to channel escaping hydraulic oil back into the motor chamber, reducing wear and extending the seal's service intervals.

Anti-Contamination Auxiliary Lip: Incorporates an integrated outer excluder dust lip that blocks metal shavings, abrasive tooth wear dust, and gear grease from contaminating the primary hydraulic sealing zone.

Technical Specifications:

Brand Compatibility: Caterpillar (CAT)

Excavator Application: 349D L / 349DL Heavy Series

Target Component: 418-7154 / 4187154 Swing Motor Group

Part Number (P/N): 135-9044 / 1359044

Component Type: Dynamic Lip Type Rotary Shaft Seal / Swing Motor Oil Seal

Material Matrix: High-Performance Mining-Grade Elastomer, Metal Shell, Stainless Steel Spring

Fluid Compatibility: Mineral Hydraulic Oils, Bio-Degradable Fluids, Heavy-Duty Gear Oil

Condition: 100% Brand New Industrial Aftermarket
Tag:Hydraulic pump seal kit,Travel motor seal kit,swing motor seal kit

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