... products are as follows:Bulldozer Series1.Carrier roller,track roller,idler,cutting edge,end bits and buckets,covers, final driver parts ... parts, such as pins, bushings, cylinder piston rods,carrier roller,idler,sprockets , recoil spring,buckets and accessoriers, hoses and tubes for ... series of excavator parts.EngineCummins engine 205-70-73280,Komatsu O-ring