yanmar ym30 spring undercarriage parts

...Yanmar B22 Mini Digger Undercarriage Attachment Specifications 1 Piston rod 40# steel & 40Cr Using highly precision mirror polishing The thickness of the plate is 0.025mm (electroplating 0.05mm then grinding to 0.025mm to ensure surface hardness reaches HB700) 2 Spring High-strength spring steel The recoil size is the same as the original Roughness as well as original material Produce as per OEM standard Taped end spring...

...Undercarriage Parts , Customized Excavator Accessories Descrition: Main Product:cutting edge,end bit,bucket,bucket teeth, bucket adapter,teeth pin,bucket pin and bushing,bucket ear,round ball,link rod,h-link,track adjuster ,spring,idler yoke,track roller,top roller,sprocket,segment,idler,track link chain,track shoes,bolt and nuts,track bushing and pin etc. Brand:hitachi,komatsu,kobelco,hyundai,daewoo,doosan, VOL-VO,yanmar...