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Cummins alternators
Posted: May 13th, '11, 11:54
by Michael
As I am not at boat right now, does anyone know the alternator output of the standard alternators on Cummins 250hp?
Thanks
Posted: May 13th, '11, 12:52
by In Memory of Vicroy
Pretty sure its 60 amps.
UV
Posted: May 13th, '11, 13:05
by Michael
Thanks UV
Posted: May 13th, '11, 17:30
by Bruce
For the standard engine altenator(not some Balmar or other high output) its rating comes at spinning the unit at about 5500 rpm.
Now look at the speed at which the standard diesel turns and do the pulley size math and just realize how slow they really turn even at cruise rpm and you'll realize you'd be lucky to get half that rating.