Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Which Alternator for 2005 QSM11 670 › Alternators for QSM11

June 10, 2019 at 6:40 pm #73264

Tom Mann
Participant
Vessel Name: Bow Tie
Engines: Cummins QSM11 660hp
Location: Key West Fl
Country: USA

Alternators for QSM11

I’m glad it worked out for you, how did you determine your alternator(s) were bad and it wasn’t the batteries? Did you load test the alternator and put a load test on the batteries? If you didn’t do a load test you could have been barking up the wrong tree.

Tom Mann