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Old 02-12-2019, 08:02 AM   #1
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Propane Gen.

Anyone with the 5.5 kg onan propane Generator know if it runs off the 2 on board propane tanks?
If so, is it possible to set up for it's own fuel supply?
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Old 02-12-2019, 08:23 AM   #2
PNW Fireguy
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I have a 6.5 KW version of that Onan and it all depends on how the fuel line is piped in. My genset runs off one side.

Some of the higher end 5th wheels have installed larger dedicated tanks in the frames just behind the axles. I am doubtful that the Montana frames would take that stress. One could check with Lippert directly however Keystone would mor than likely nullify all or part of your warranty. If you are out of warranty and Lippert says it will support the weight I would consider it.
2015 3440RL, legacy package, Sailun S637's, Onan Commercial Gen, 1400 Watts Solar, Midnight Solar Classic 150, 700AH LiFePO4, Winegard Trav'ler & Dish Hopper3, 2011 Ram 3500 CC Laramie DRW 4x4 4.10
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Old 02-12-2019, 10:03 AM   #3
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Our 5.5 Onan was installed as part of the factory build and it does run off of the onboard tanks with their auto crossover switch. We did upgrade the tanks to 40 pound tanks as part of the purchase which I would strongly advise as the generator drinks propane at a pretty good clip.

Bingo and Cathy - Our adventures begin in the hills of WV. We are blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.
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Old 02-12-2019, 08:36 PM   #4
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We have the 5.5 factory install also. Piped from the two onboard tanks, also switched to 40 pounders.
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