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For those interested in exactly how much the system draws. Since there was many responses to the alternator upgrade thread, I measured my MM1 setup at the shop the other day.

Fisher MM1 electric/hydraulic 8 foot blade on an 01 Ram. Lifting the blade drew 140 amps, and peaked at 180+ amps when piston topped out. Blade has no foil, and is the older M series(heavy). When in snow bank the weight will obviously be more.

Just thought you would like to know......

Dave
 

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Can you imaging the instantaneous peak current when it's initially activated?
 

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Good info . That must be one of the reasons new trucks come with 140 amp +/- alts
 
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