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Old 06-18-2016, 08:36 AM   #1
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Cummins 8000 vs 8000X

What is the difference between the cummins onan 8000 and 8000X.
Thanks
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Old 06-18-2016, 10:57 AM   #2
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The online info on the 8000X is in foreign language, so maybe it produces a European or Asian spec power instead of US 120v/60 Hz? Just guessing...
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Old 06-18-2016, 12:40 PM   #3
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They put the 8000X in my couch because of the third roof air. There is some difference..maybe it a 8500 equivalent ?
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Old 06-18-2016, 03:05 PM   #4
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Originally Posted by Texasranger View Post
What is the difference between the cummins onan 8000 and 8000X.
I'm curious as well, can't find anything on the "X" distinction.
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Old 06-18-2016, 03:08 PM   #5
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Three roof airs usually get a 10k Onan. I suggest you call Onan with your question. 800-888-6626
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Old 06-18-2016, 03:11 PM   #6
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I thought the X was propane powered. May be wrong though!
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Old 06-18-2016, 03:16 PM   #7
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I thought the X was propane powered. May be wrong though!
Tried, they just send you to a dealer, who is clueless.

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I thought the X was propane powered. May be wrong though!
Nope, diesel.
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Old 06-18-2016, 03:16 PM   #8
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I suggest you call Onan with your question.
Tried, they just send you to a dealer, who is clueless.

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I thought the X was propane powered. May be wrong though!
Nope, diesel.
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Old 06-19-2016, 12:08 PM   #9
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They put the 8000X in my couch because of the third roof air. There is some difference..maybe it a 8500 equivalent ?
Onan labels their models with the watt rating, 8000 in this case. 8000 watts is 8000 watts, so an 8000x isn't going to power 3 a/c any better than an 8000, right?

Since somebody here has an 8000x, could you post the Onan model number? Is it an HDKAK like the regular QD 8000?
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Old 06-20-2016, 07:02 PM   #10
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Old 06-21-2016, 11:21 AM   #11
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I was told that the 8000x had a higher surge rating than the 8000. I have the 8000x in my Journey
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Old 06-21-2016, 01:14 PM   #12
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Strange that there are no spec sheets for it on the Onan site. Nor any brochure that for it, except one in some language I can't read.
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Old 06-22-2016, 09:39 AM   #13
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Yes, that is odd.

I did ask Cummins/Onan rep at the Tampa Supershow and the surge rating was from them, not a dealer guess.

Not sure who else uses the 8000x in there units. In the Journey, the EMS will only run 2 A/C units at one time
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Old 06-22-2016, 10:18 AM   #14
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In the Journey, the EMS will only run 2 A/C units at one time
Could be, if Winnebago wired it that way. An 8000 watt genset has a bit less than 35 amps/leg, which is marginal for the start up load on two a/c units, so maybe they decided to avoid that potential issue. Higher end models usually get a 10 kw genset with a 3 a/c configuration. But if the 8000x indeed does have a higher surge rating, it ought to be able to start two a/c on either leg.
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