144-15-11290 1441511290 RING,SEAL FOR KOMATSU D21P D75S GD405A-1 GD505A-2

1. Quick Details of  seal 144-15-11290 :

2. 144-15-11290  parts on group :

3. 17A-22-05220 picture:

4. Service ring part no. :

5. FAQ

Q: Why are copper rings made of this material used in repair kits?

A: In the transmission, this copper ring is typically used as a bushing or a support/friction pair for sealing rings. Its core functions include:

• Wear Resistance: It pairs with rotating steel shafts or gears, enduring friction. The wear resistance of the copper alloy ensures a long service life.
• Reduced Friction/Self-lubrication: Leaded bronze materials have a low coefficient of friction, and the lead particles can act as a solid lubricant during friction.
• Anti-galling Properties: Under extreme conditions (e.g., momentary oil starvation), the copper alloy and steel shaft are less prone to "cold welding" or "seizing," preventing more serious damage.
• High Load Capacity: It can withstand the significant pressure and shock loads transmitted by the transmission.
• Conformability: The relatively soft copper alloy material can better adapt to minor shaft deformations or alignment errors.

Q: Is a transmission repair kit in the grader important?

A:  Absolutely, a transmission repair kit is extremely important for a grader, or any piece of heavy equipment.

    Let me tell you why:

• Minimizing Downtime: Graders are essential to construction and road-building projects. A transmission failure can halt an entire project. Having a repair kit allows for a quicker repair, minimizing the unexpected downtime that can ruin project timelines and cost a significant amount of money.
• Longevity and Safety: A properly maintained and repaired transmission extends the overall lifespan of the grader. A malfunctioning transmission can also affect the safe operation of the machine, making timely repair a safety necessity.
• Maintaining Performance: The transmission is the "heart" of the drivetrain; it ensures engine power is delivered to the wheels effectively and efficiently. Worn parts inside the transmission can lead to problems like slow engagement, overheating, or loss of drive. Replacing these worn parts with a kit restores the machine's optimal performance.

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