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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
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