More than fifteen years experience in developing Komatsu iron pistons,currently we have S6D125:6151-31-2112,6151-31-2511,6152-32-2510(3 models) S6D140:6211-31-2111,6212-31-2170,6212-31-2151(3 models) S6D170:6162-35-2120,All the pistons made by special cast iron & Nitrided heat-treatment.Over years,the pistons we produced have been supplied to most of the countries Komatsu machines moving.
Komatsu SAA6D170E-2A iron piston