Alternator Preference? Dual vs. Heavy Duty - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 01-05-2011, 08:51 AM Thread Starter
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Question Alternator Preference? Dual vs. Heavy Duty

Anyone have a preference on running Dual alternators vs. the HD alternator? Assuming Duals provides a level of redundancy but just checking.

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post #2 of 14 Old 01-05-2011, 06:04 PM Thread Starter
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No opinions? Not likely...
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post #3 of 14 Old 01-05-2011, 06:05 PM
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post #4 of 14 Old 01-05-2011, 06:32 PM
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ive been wondering this same thing...

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post #5 of 14 Old 01-05-2011, 06:54 PM
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For the rapid heat heater, it is required...my opinion? uhm, if you want a rapid heat heater...? Might want to lean towards accepting having two alternators...

Driving: 2011 Pale Adobe...F-350 CC 6.7 FX4 3:55-Locking Rear End-Dual Alternators-premium Lariat, moon rf, added wheel flares, 2-tone black base

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post #6 of 14 Old 01-06-2011, 11:02 AM
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I think this is going to be one of those personal preference deals. From what I've been told, it is slightly more efficient to run one larger unit than two smaller. However, the tradeoff is the benefit of always having a backup.

2011 F250 XLT 6.7 PSD 4X4 Crew 3.31 rear-end in Sterling Grey
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post #7 of 14 Old 01-06-2011, 06:20 PM
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If you were pulling a trailer with a ton of running lights, triple axle electric brakes, and running power inverters off every cigarette lighter outlet than you may need the doubles.

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post #8 of 14 Old 01-06-2011, 06:28 PM
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I prefer dual alt's.... That's what I have on mine

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post #9 of 14 Old 01-07-2011, 04:09 AM
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The duals were intended for ambulance use. Unless you have someone who is depending on life support equipment to stay alive in your truck bed, the duals are totally unnecessary, inefficient overkill and complication..
If you can't get by with 130 amps, especially when most trailers now use LED lighting, something's wrong.

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post #10 of 14 Old 01-07-2011, 02:14 PM
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Dual alternators - to be able to run a 3KW inverter.

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Duane

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