Front Idler features: 1,Material:40SiMnTi ... idlers used for heavy construction machinery,such as caterpillar,komatsu,hitachi,daewoo,kobelco,sumitomo,hyundai,samsung,volvo, ... I.MX8SE200SE210SE280MX292SE350 SUMITOMOSH70SH100SH120SH160SH200SH280SH300SH340Also we can supply undercarriage parts for:JOHN DEERE,CASE,YANMAR,O&K,DOOSAN... ... if you have any requirements. Front idler for excavator and bulldozer