Track chain link assembly for excavators and bulldozers material:40Mn2 HRC55-58,Depth:8-10mm Gurantee:One year Xiamen EBpart Manufacturing Co.,Ltd is a leading manufacturer and exporter of aftermarket replacement undercarriage parts for heavy construction machinery,such as excavators and dozers,applicable for caterpillar,komatsu,hitachi,daewoo,kobelco,sumitomo,hyundai,samsung,volvo,mitubishi.Our ...