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Frount Idler,Idler Assy,Idler Group QINGDAO WONTIDE CO.,LTD produce high performance and reliabilityidler rollers used for crawler type heavy equipments,such as excavators,dozers,applicable for caterpillar,komatsu,hitachi,daewoo,kobelco,sumitomo,hyundai,samsung,volvo,mitubishi. Front idler(idler group,idler,) must holds the weight of equipments along with load,it requires precision,strength and durability. Ouridlers for excavators are specially designed, engineered and manufactured for high impact applications.Bulldozeridlers are designed for applications that call for the maximum wear resistance. We use good material to ensure quality and consistency.Our heat treatment process provides hardness in high wear areas Strict quality management to produce effective and stable products,and meet customer's demand. Models available: 1)Hitachi: UH07, UH10, UH14, EX100, EX120, EX150, EX160, EX200, EX220, EX300, EX400, ZAXIS210 2)Caterpiller: E70, E120, E180, E200, E240, E300, E325, E330, E450, CAT311, CAT312, CAT320 3)Daewoo: DH200, DH220, DH280, DH300, DH320, DH330, DH55 4)Hyundai: R200, R210, R220 5)Komatsu: 20HT, PC60, PC100, PC120, PC150, PC200, PC220, PC230, PC300, PC400, PW100, D75, D60, D50, D155 6)Sumitomo: SH60, SH100, SH120, SH200, SH220, SH300, LS580, LS1600, LS2600, LS2650, LS2800, LS3400, LS4300 7)Mitsubishi: MS180, MS230, MS240, MS380 8)Kato: HD250, HD400, HD450, HD510, HD550, HD650, HD700, HD770, HD800, HD820, HD850, HD880, HD900, HD1200, HD1250, HD1430, HD1880 9)Kobelco: SK07, SK60, SK100, SK120, SK200, SK220, SK230, SK300, SK09, SK912, SK907 10)Volvo: EC210.EC240,EC290,EC360,EC460