... track rollers used for crawler type heavy equipments,such as excavators,dozers,applicable for hitachi,daewoo,kobelco,sumitomo,hyundai, ... Track roller EX300 9114682:● Track roller must hold the weight of excavator along with load,it requires precision,strength and ... contract establishedPackageFumigate seaworthy packingPayment Term(1) T/T, 30% in deposit, balance on the receipt of copy of B/L(2) L/C, ...