Big Discount Excavator PC400 PC450 Excav China Chains Undercarriage Spare Parts Track Chain Track Link Assy for Komatsu Brand

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High quality Very first,and Consumer Supreme is our guideline to offer the most beneficial service to our consumers.At present, we’re attempting our greatest to be among the top exporters in our area to fulfill buyers far more need to have for Bulldozer Track Chain D4，Bottom Carrier Roller，Excavator Bottom Carrier Roller, China Bulldozer Track Chain Assembly, We always insist on the management tenet of “Quality is First, Technology is Basis, Honesty and Innovation”.We have been able to develop new products continuously to a higher level to satisfy different needs of customers.
roller shell material:50Mn/45#
surface hardness:HRC48-58
Quench depth:>9mm
Roller shaft material:45#
Surface hardness:HRC48-58

Quench depth:>3mm
Collar material:QT450-10
Weight:83.5kg
Installation size:378mm,130mm

What is track roller?
The function of the track roller is to convey the weight of an excavator to the ground .When an  excavator is run on uneven ground ,track rollers  carry a tremendous impact Therefore ,the support  of track rollers is huge .Moreover u5 if it is of poor  quality and is often dusty ,it needs a very good  sealing to prevent dirt ,sand ,and water from  damaging it .

High quality Very first,and Consumer Supreme is our guideline to offer the most beneficial service to our consumers.At present, we’re attempting our greatest to be among the top exporters in our area to fulfill buyers far more need to have for Big Discount Excavator PC400 PC450 Excav China Chains Undercarriage Spare Parts Track Chain Track Link Assy for Komatsu Brand, We Sincerely welcome customers from all around the entire world to go to us, with our multifaceted cooperation and function together to develop new markets, generate win-win fantastic long term.
Big Discount China Bulldozer Track Chain Assembly, Bulldozer Track Chain D4, We always insist on the management tenet of “Quality is First, Technology is Basis, Honesty and Innovation”.We have been able to develop new products continuously to a higher level to satisfy different needs of customers.