... .About 30 days lead time. 4.1500-2000 Hours guarantee 5.ISO9001:2008 1.Product Specification Material50MnQualityHeat-treated,HRC49-56,Depth ... ) D20,D31,D60,PC60-5/6,PC100-5,PC200-3/5,PC300-1/2/3/5,PC300-3/5R200/220-5,EX03,EX120,EX200-1 ... /2/3/5,EX300-1/2/3DH220-5,E200B,HD700,SH120/280 Mutual profit is our pursuit Komatsu PC300-5 excavator chain track ...