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Duramax Sixth Generation: 2017+ (L5P) Discuss the sixth generation (2017+) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 05-02-2019, 09:36 AM   #11 (permalink)
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Originally Posted by Gerard Andrea View Post
So your saying that Nick has 370 amps of charging capacity available to him, wow. Iím not even close with my lowly 145 amp. Almost sounds like you could blow something up, like in a racing engine for example.
Yes, and no. Amp ratings for alternators are peak at ideal temps and speed. At idle or there abouts they put out about half. So a plow rig with duals could produce as much 180 amps. A plow or winch can easily draw more than that, so lifting a plow for example may pull the max the alternators can put out plus a little from the batteries, but having the large capacity will fill the batteries back up in a hurry. No add in an array of lights, stereo and so on and you can see where it goes in a hurry.

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Old 05-02-2019, 12:37 PM   #12 (permalink)
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�� Good info

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Old 05-02-2019, 03:57 PM   #13 (permalink)
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The Boss DXT V-plow draws 220 amps. This will destroy standard 105 amp alternators even with dual batteries. Ask me how I know..
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Old 05-27-2019, 10:34 AM   #14 (permalink)
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My truck also has the dual alternator option. I am not planning to run a snow plow but will the dual alternator feature also provides some redundancy if one alternator failed. Is that a real benefit? Seems like that might depend on how the alternator fails?? For example, a bearing failure would not be saved by the second alternator.
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