D4D bulldozer undercarriage parts lower roller,bottom roller ,track roller

 Good Quality Bulldozer spare  parts  track roller   D4D We specialized in a variety of  construction machines, such as excavator ,bulldozer,road roller,cranes and also specialized in parts of Excavator and Bulldozer, such as Track link assembly,Track shoe, Track roller,Carrier Roller,Idler,and Sprocket with many years' experiences and good reputation.     1. Product Information  track roller

Material	40Mn2
Finish	Smooth
Colors	Black or yellow
Technique	Forging or casting
Surface Hardness	HRC48-54,deepth:4mm-10mm
Warranty time	one year
Certification	ISO9001-9002
place of origin	shandong
MOQ	10 piece
Delivery Time	Within 30 days after contract established

  2. Design / Structure / Details Pics  track roller   Good Quality Excavator Parts Track Roller 3.Advantages / Features: 1.Our factory has three advanced forging line with the biggest forging hammer weight 6300 ton. 2.We introduced the most advanced automatic heat treatment production line . 3.In our factory there is a very strong research and development team, which is now researching the pitch of track line between 101 to 260  . We also can produce  by customer's order with your dimensional drawings with  MIQ 300 links for each items . 4.We have a great  quality supervision system , our inspectors test the whole process from rough forging to finished product 5.Our product strictly according to komatsu standard, especially the bulldozer track line has the considerable advantage not only in quality , but also in price .   4.Factory View     5.Types: 1.For excavator and bulldozer. 2.We can offer undercarriage spare parts: track shoe,track link, track roller,carrier roller,spocket,front idler,idler cushion and so on.:

1)	PC60-5-6-7, PC100, , PC240, PC200-1-3-5-6, PC220-1-3-5, PC300-3-5, PC400-1-3-5, D20, D30, D31, D50, D60,  (D85)
2)	EX40, EX60, EX150, EX100M, EX100, EX120, EX150, EX200-1-2-3, EX300-1-3-5, EX400
3)	E110B, E200B (E320), E240 (MS180), E300B, E330, D3C, D5, D5B, D5D, D6C, D6D, D6H, D7G, D8K
4)	DH220, DH280, R200, R210
5)	HD250, HD400 (HD450), HD500, HD550,  HD800, HD820, HD850, DH880, HD1020, HD1220 (HD1250), HD1430, DH1880
6)	SK07N2, SK07-7SK200, SK220, SK300, SK320
7)	SH120, SH200, SH280, SH300, SH400
8)	MS110, MS120, MS180
9)	SE55, SE210,SE280,SE330

  6.  Our company’s exhibition 7.  Certification for  track roller   We promise you that we always provide the high-quality items with competitive price.