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Old 05-10-2015, 03:59 PM   #1
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XLR 300X12 generator

Hello, I am new to the camping scene. We just bought a xlr thunderbolt 300x12, and I was wondering, can we run both a/c's on the 5500 watt Onan?

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Old 05-10-2015, 04:01 PM   #2
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Location: Tucson, AZ
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That is what I have in my 40-12 XLR and we run both without any problems.

2014 Ford F450 4+4
2009 XLR 40X12
2009 RZR ready for the trail
2014 RZR XP 1000
Days camped in '16 - 87
Days Camped in '17- 62
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Old 05-10-2015, 04:35 PM   #3
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Thanks for reply, it does fine with one a/c but bogs down and dies when I turn on the second a/c. Looks like a trip back to dealer.
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Old 05-11-2015, 09:02 PM   #4
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Add up what's on plus the AC units. WH? Frige? Converter draw? What else?
Hyper diaper 29HFS = 2015
2017 F-250 4x4 6.2L Gas
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Old 05-12-2015, 09:54 PM   #5
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It should run both. Put your fridge and water heater on propane, and it should be good to go.
2015 GMC 2500HD Duramax Denali
2015 XLR 300X12HP
2013 Polaris RZR 900 XP
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generator, xlr

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