71355 XCMG GR2605 motor grader seal

71355 XCMG GR2605 motor grader seal

The 71355 seal is a specialized oil seal for construction machinery, primarily used for sealing rotating shafts, cavities, and transmission parts. It effectively prevents hydraulic oil and gear oil leakage while blocking external dust, mud, and impurities from entering the cavity, ensuring stable system pressure and reliable lubrication of internal components.

Technical Parameters

Model: 71355
Material: Nitrile Rubber (NBR)
Applicable Media: Hydraulic oil, gear oil, lubricating oil
Operating Temperature: -30℃～120℃
Structure: Single/Double Lip Skeleton Seal
Applicable Operating Conditions: Medium and low pressure, rotary dynamic seal

Suitable Scenarios

Suitable for drive axles, wheel assemblies, gearboxes, drive shafts, hydraulic motors, balance boxes, etc., in construction machinery such as loaders, graders, and road rollers; used for sealing shaft ends and housing interfaces to ensure leak-free and dust-free operation.

Common Faults and Troubleshooting

Oil Leakage: Wear, hardening, or damage to the seal lip. Replace the 71355 seal directly.

Dust and water ingress: The seal may be twisted, flared outwards, or the mating shaft surface may be rough. Reinstall the seal correctly and check the shaft surface finish.

Premature wear: Insufficient lubrication, foreign object ingress, or misalignment. Repair the mating surfaces and replace with a new seal.

Seal failure: Long-term high-temperature aging or media corrosion. Replace with the same type of seal promptly to prevent further damage.

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1 70812 Bolt M12×1.5×45
2 3239223 Locking Plate
3 3233683 Locking Disc
4 3267253 Sprocket
5 71624 Bearing
6 3114333 Washer
7 71355 Seal
8 3349543 Support Body
9 70573 Bearing
10 70386 Bolt M18×1.5×50
11 3349583 Output Shaft
12 71860 Pins
13 71860 Pin
14 3349513 Gear Ring
15 3349553 Planetary Shaft
16 3127443 Flat Washer
17 3127443 Roller Assembly 18 3132833 Spacer
19 3132823 Planetary Gear
20 3349573 Planetary Carrier
22 70201 Retaining Ring

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