140-90-12510 1409012510 Dust Seal for Bulldozer Hydraulic Cylinder Rod Scraper

Q: Which heavy machine can part number 140-90-12510 match?
A: The part number 140-90-12510 is a dust seal developed for bulldozer hydraulic cylinder rod.

Q: What product classification does part 140-90-12510 belong to?
A: Part 140-90-12510 is categorized as dust seal, an external scraper seal for hydraulic rod protection.

Q: What raw materials compose this dust seal?
A: It uses NBR rubber combined with steel insert to maintain its shape under continuous vibration.

Q: What is the main purpose of this dust seal?
A: Its sharp lip scrapes away dirt, rock powder and mud from the piston rod before retraction.

Q: Where is this dust seal mounted on the bulldozer cylinder?
A: It sits in the outer groove of the cylinder gland, as the first barrier for the moving piston rod.

Q: What performance features does this dust seal have?
A: It delivers good low-temperature resistance and keeps lip flexibility under repeated scraping work.

Q: Is this dust seal responsible for containing hydraulic oil inside the cylinder?
A: It does not seal oil. Its job is to block external contaminants while inner rod seals handle oil retention.

Q: What troubles will arise if this dust seal is worn out?
A: Abrasive particles enter the cylinder assembly, creating scratches and shortening the service life of inner seals.

Q: What field conditions is this dust seal built to handle?
A: It is suitable for earthmoving sites with loose soil, flying dust and intermittent heavy load operation.