D31 Bulldozer track roller , bottom roller , lower roller

Undercarriage parts bulldozer excavator carrier roller

 ****Undercarriage is adopting through hardening system and spraying quenching system while complying with the stringent ISO System. We are able to assure the part has excellent wear resistance even in the most severe working conditions.
 **** We are using advance machining centre,horizontal and vertical CNC machining to execute processes such as machining, drilling, threading and milling to ensure the qulity and precision of each component to ensure the accuracy of assembly dimensions. This is to maximize the life span of each component and minimize production cost per hour.
 **** Our product range for bulldozer type of equipment sizes from  D3 to D11,from  D20 to D375 as well as from excavator sizes from 5 tons to 40tons.

(1)Manufacturing Procedure for Undercarriage parts bulldozer excavator high quality carrier roller 
Forging--Rough Machining--Heat Treatment--Precise Machining--Assembly--Painting

1.using the milling machine to guarantee the precise specification.

2. through quench-tempering processes to guarantee excellent mechanical properties,high strength and superior wear resistence to bending and breakage.

(2)Real pictures for Undercarriage parts bulldozer excavator high quality carrier roller

(3) Undercarriage parts bulldozer excavator high quality carrier roller in stock