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bus708


Location: Maryland
Joined: Jul 24, 2010
Points: 321

Honda GX engine service life
Original Message   Nov 22, 2012 10:51 pm
I'm still un desided I'v been checking out many generators and as good as the reviews are for Honda generators- It is comming to a investment cost /reliability factor. Does anyone know the service life of a Honda gx series/gxi engines.. I here Onan, Perkins and Kubota are clamming 100000 - 200000 hours. Does anyone know how long a Honda generator will last. I prefer a portable unit over a fixed unit.
This message was modified Nov 22, 2012 by bus708
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borat


Joined: Nov 10, 2007
Points: 2692

Re: Honda GX engine service life
Reply #5   Nov 23, 2012 9:37 pm
I agree with MN Runner.   Those hours are a real stretch.

When I first read the message, I though it was 10000 to 20000 hours.  Now I see I missed a zero.  Very unlikely.  Fifty thousand hours will be an accomplishment on a quality diesel generator that received good maintenance.

An air cooled Honda single cylinder driving a generator might see 5000 hours give or take a thousand, if well maintained.  Don't forget, that engine is spinning at 3600 rpm and burning gasoline.  The Kubota diesel gensets generally run at half that rpm and diesel fuel itself, assists in the lubrication process.  So slower speed, heavier initial construction, liquid cooling and lubricity of the fuel all work together to ensure long engine life in a high quality diesel engine.
carlb


Joined: Nov 16, 2010
Points: 279

Re: Honda GX engine service life
Reply #6   Nov 24, 2012 7:08 am
I have to agree with what borat said. No way you will get an air cooled gasoline engine to last those kinds of hours. A well maintained quality water cooled diesel spinning at 1800rpm or even slower will last much longer than any high speed 3600rpm air cooled gasoline engine and getting even a high quality slow speed diesel to 50,000 hours without a rebuild is quite a feat. I run a very large (750lb) twin flywheel Lister type 6hp water cooled diesel at 650rpm and would be thrilled to get 20,000 hours without a rebuild. This engine is so massive that the piston and rod weigh about as much as a 6hp air cooled honda. Since i only run it as a backup generator I suspect i will never need to rebuild it.
bus708


Location: Maryland
Joined: Jul 24, 2010
Points: 321

Re: Honda GX engine service life
Reply #7   Nov 24, 2012 7:49 pm
FrankMA wrote:
Those numbers seem very high even if they were for a diesel powered engine... Where did you come across those claims?

How often do you plan on using it? If a generator were used for 8 hours /day, 7 days/week, 52 weeks/year you would accrue roughly 2,900 hours/year. That's a lot of hours for a portable generator, not to mention fuel. Have you considered a natural gas powered stationary model?



My bad I meant 10K to 30K hours
bus708


Location: Maryland
Joined: Jul 24, 2010
Points: 321

Re: Honda GX engine service life
Reply #8   Nov 24, 2012 7:51 pm
My bad I meant 10 k to 30k hours
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