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Old 08-24-2016, 10:03 PM   #1
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5.5kw or 6.5kw genset ?

So I'm not sure if I should go with the 6.5 vers the 5.5 propane Onan. Will the 5.5 run 2 AC's at the same time? I'm not sure yet if they will be 13.5 or 1500 btu units. I won't be running them a lot but when I want AC i will want both running.
So what are your thoughts on this?
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Old 08-24-2016, 10:26 PM   #2
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Just had my genny running to exersize it and change the oil. To put a load on it I had both ACs (15K each) running with no problems.
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Old 08-25-2016, 12:08 AM   #3
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As far as I know the 5.5 will run most everything. When I did the calcs before we got ours with both airs running and add lights,TV, microwave, hair dryer it was borderline so I opted for the 6.5. Have had no issues running anything that we throw at it
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Old 08-25-2016, 02:47 AM   #4
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I too opted for the 6.5. . . Don't ask me why , because I don't really know the answer other than .. Because I wanted to,
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Old 08-25-2016, 03:10 AM   #5
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I did all the calculations with Onan Elkhart. And we determined the only way to go is the 6.5. It is the same foot print and it weighs (if i remember) 5 lbs more. another thing when using the gen at a reduced load the 6.5 consumes less than the 5.5 as it is working easier. If you decide to do it at Elkhart email me and i will give you the contact info i have. Also they were the best price around. and while they work on your coach you can stay at their sites in the back
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Old 08-25-2016, 03:40 AM   #6
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I would also go to the 6.5. We don't have a gen set in our RW since I did not want the added weight and loose the storage. We just almost never need it in our travels. Our previous 38' Motor Home had the 6.5 and it would run everything without an issue and I don't think a 5.5 would have done the job. We owned it for about 8 years and never failed us and ran flawlessly.

Steve
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Old 08-25-2016, 03:06 PM   #7
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When we chose the Genset option, the 5.5 was the only option.

it runs everything just fine and I am pleased at how quiet it is. I am sure that if there was a 6.5 option I would have ordered it just because it was more.....
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Old 08-25-2016, 04:48 PM   #8
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Our 5.5 LP ran everything on our Redwood including 2 ACs, however we originally bought the generator back when we had a 5er with 30A service. Doing it again, I would go to the 6.5 just because.
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Old 08-27-2016, 09:56 PM   #9
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Quote:
Originally Posted by Shane Wood View Post
As far as I know the 5.5 will run most everything. When I did the calcs before we got ours with both airs running and add lights,TV, microwave, hair dryer it was borderline so I opted for the 6.5. Have had no issues running anything that we throw at it
I op'ed for the 6.5 KW Onan Gold propane gen as doing the math from design experience the 6.5 KW propane Onan should only be loaded to a max of 80%. This assures that the 60HZ will be achievable for critical loads, such as the FP dishwasher when loads are cycling together such as the clothes dryer both A/C's. The FP dishwasher will fault at 58 or 62 HZ.
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