“MAIN ENGINE;
MAKER: HSD ENGINE CO.,LTD.;
MODEL: HSD-MAN B&W;
TYPE: 6S50MC;
SERIAL NO: ML 1207;
Main engine air control system” “3/2 WAY SOLENOID VALVE POS.84;
Model No- 3D-o3452-3
DRW.No- 12D0203-0” HSD ENGINE CO.,LTD.S50MC.NA