cummins 6b5.9 alternator failures
My 93 Winnie Vectra on a Spartan chassis with Cummins 5.9 is about to get its 3rd or 4th alternator in 70 kmiles. It had already failed when we bought the rig and the shop that replaced it had to cut...
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Why didn't they take pulley off and remove the fan instead of whacking it up like that.also 10 si and 15 si are same size unit.
Difference is internal 10 si units are 66 amps at best.the 15 si are generally 78 amp and with proper internal parts can be built to a 94 amp.
As for the OPs question.,if your installer is not properly charging your batteries that is destroying your alternators.They are not designed to charge weak batteries but more so to maintain what you have.
I own a starter/alternator rebuild shop and will gladly provide any info I can to solve your problem .
Difference is internal 10 si units are 66 amps at best.the 15 si are generally 78 amp and with proper internal parts can be built to a 94 amp.
As for the OPs question.,if your installer is not properly charging your batteries that is destroying your alternators.They are not designed to charge weak batteries but more so to maintain what you have.
I own a starter/alternator rebuild shop and will gladly provide any info I can to solve your problem .
