OK request send SAA6D125E-6B S/N 760004-UP (For HM300-3) ENGINE ELECTRICAL SYSTEM Section ENGINE ELECTRICAL SYSTEM SAA6D125E-6B S/N 760004-UP (For HM300-3) Komatsu: STARTING MOTOR, 7.5KW f003000 ALTERNATOR, 60AMP f001000 WIRING HARNESS f004000 ALTERNATOR, 90AMP f002000