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Open Roads Forum  >  Tech Issues

 > convert gas generator to propane

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johntank

North MS

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Posted: 01/09/19 12:23pm Link  |  Quote  |  Print  |  Notify Moderator

Has anyone done this conversion on a Onan 4K and what was the cost and where did you find the best price on parts needed.

Thanks John

wildtoad

Blythewood, SC

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Posted: 01/09/19 01:11pm Link  |  Quote  |  Print  |  Notify Moderator

If this is in a motor home why would you do that unless it’s permanently parked somewhere.


Tom Wilds
Blythewood, SC
2016 Newmar Baystar Sport 3004

fj12ryder

Platte City, MO

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Posted: 01/09/19 01:19pm Link  |  Quote  |  Print  |  Notify Moderator

I've thought about doing it with my 5500 Onan, just to make sure that it doesn't get gummed up with gas when it sits for long periods. I've not done it, but it looks relatively easy to do and there are kits on Ebay, and other places that make it look pretty easy.

OTOH, if you use the generator much propane usage is pretty high.


Howard and Peggy

"Don't Panic"

sjholt

Henderson, NV

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Posted: 01/09/19 01:29pm Link  |  Quote  |  Print  |  Notify Moderator

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Skip
1996 32' Monaco Windsor DP
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johntank

North MS

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Posted: 01/09/19 01:44pm Link  |  Quote  |  Print  |  Notify Moderator

wildtoad, no it is in a 5er,

fj12ryder, yep getting tired of a gummed up carb after sitting longer than two months and yes I do know propane use will be higher and cost a little more.

fj12ryder

Platte City, MO

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Posted: 01/09/19 02:30pm Link  |  Quote  |  Print  |  Notify Moderator

I've had mine for 8 years and use the generator very, very infrequently, and have had no issues with the carb gumming up. I thought it would be an issue since we are fully connected almost all the time. But it hasn't been a problem. I drain the carb bowl after I'm through using it, and it always starts right up when I start it again months, sometimes many months, later. It usually gets started maybe once or twice a year. I never use any stabilizer, never drain the gas tank, and the same gas has been in there for a good 5 years. Like I said, so far no problems.

Now watch, it won't run for sour apples this year. LOL

Dusty R

Charlotte Michigan 48813

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Posted: 01/09/19 03:21pm Link  |  Quote  |  Print  |  Notify Moderator

On our '01 Itasca 24' mh I installed a switch on the fuel pump, and when I knew that we were not going to use the generator for a while I would turn the fuel pump off and let the generator run out of gas. That worked fine. Never had a problem with gummed up carb.

Dusty

JaxDad

Greater Toronto Area

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Posted: 01/09/19 04:20pm Link  |  Quote  |  Print  |  Notify Moderator

If the Onan is in a 5’er it must then have its own fuel tank. It would be pretty easy to dose it up with SeaFoam then compared to a m/h where the fuel supply is the chassis tank.

Seems a bunch easier to just prevent the gumming up in the first place.

johntank

North MS

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Posted: 01/09/19 05:54pm Link  |  Quote  |  Print  |  Notify Moderator

Since I have not gotten any info on the conversion I will not be checking in for some time, maybe several days.

Thanks

MrWizard

Traveling

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Posted: 01/09/19 06:22pm Link  |  Quote  |  Print  |  Notify Moderator

no info, because converting a built in gasoline onan

is a Very Rare thing

people usually convert portable generators

or maybe a stick house emg backup generator

BTW we had a Dp with LP onan, it was a liquid feed system
with a vapor/converter at the genny, needs a special LP tank

diy conversion kits for gas to LP use vapor systems and standard bottles,


Radiate The Happy
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