Ningbo Rock Machinery Manufacture Co., Ltd

EX40, CAT305T PC60-1/2/3/5, S50, D20, D21, ZY65 K903-A, K903-B, K903C, K903-MARK CAT307-E70, E70B PC40-7, PC45, PC50-7/8, SK40

EX200-2, EX210, EX220, EX100, EX160 E300, EL240 PC180, PC200-1/3/5, PC220 ZX200 PC200-5 R220, E300, ZX160, ZX180, ZX200, ZX210 EX200-2/3, EX2

single- grouser track shoe with link pitch 203mmtypically for bulldozer when grip and traction are the main factors

EX40, CAT305T PC60-1/2/3/5, S50, D20, D21, ZY65 K903-A, K903-B, K903C, K903-MARK CAT307-E70, E70B PC40-7, PC45, PC50-7/8, SK40 YC35-6/7.SWE55

triple-grouser track shoes with link pitch 216mmtypically for excavators, when a firm grip, low ground pressure and maneuverabilty are needed.