Factory DH55 DH220 DH280 DH300 DH400 DH420 DOOSAN Excavator Sprocket

Products Description >>>

The materials avaliable for Track roller and Carrier roller are 40Mn2、40MnB、50Mn,depending on working conditions.The rollers are normalized with precision forging before overall heat treatment to achieve surface hardness or HRC52-6 and the depth of hardened layer reaches more than 7-10mm(HRC45).This ensures higher durability with high impact resistance and surface wear resistance on the contact surface of the roller.High quality floating saels and lubrcating system are usde to adapt to different climate and temperature The track and carrier rollers is able to work under severe working conditions or climate ranging from -45℃~120℃,keeping the components free from miantenance.

Application >>>

About Us >>>

SuperParts Machinery professionally engaged in producing various brand 
excavator bulldozer parts such as track roller, top roller, idler, sprockets, track link,
track shoe, track adjust, bolt and nut, bucket, grader blade, tooth, 
hydraulic cylinder, swing bearing, rubber track. SPR also can produce 
the parts according to customer's dimension. SPR is committed to 
undercarriage development, production, marketing and related technical 
services. We own more than one hundred of first-class technical engineers, 
who have mature technical and experience, to provide quick and good 
after-sales service to our customers.

Contact >>>

Ms Gina

Yiwu Superparts (SPR) Machinery Co.
Email: sales@superpartscn.com
TEL:+86 155 0867 9358