KOMATSU PC200-6 engine 6D102 main control valve 1.Material:alloy 2.Applicaion:PC200-6 KOMATSU PC200-6 engine 6D102 main control valve1.Material:alloy2.Applicaion:PC200-6 3.We can supply all kinds of main valves and service valves for KOMATSU,CATERPILLAR,HITACHI,KOBELCO,KATO,SUMITOMO, KOMATSU PC200-6 engine 6D102 main control valve