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costco honda generator

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Posted by jethro on July 11, 2009, 12:29 pm
costco is selling this weekend a honda gx390 13hp powered briggs&stratton rig
under 1k

the unit is listed as 7000 watts running power with surge power at 12000 watts

is there something in the powerhead design that allows such a wide margin that
potentially shorten the life of the unit since normally commercial units are
6000/8000w or 6500w/8000w but this one a whopping 7000/12000w ?

the costco unit is equipped also with electric start, battery and runtime meter

Posted by Frank on July 11, 2009, 12:51 pm
jethro wrote:

Looks like a BS Powerboss with Honda engine.  I have a Powerboss with a
BS engine and it is noisy but Honda should run quietly.  When I bought
mine at HD, they told me you never know what engines might be used.
I considered the generac part of the unit important and another
consideration is sound insulation which, I believe, keeps Honda quiet.

Posted by jethro on July 11, 2009, 1:04 pm
 Frank wrote:

thanks for the reply

any idea on the 7000/12000watt part of my question?

Posted by vaughn on July 11, 2009, 2:45 pm

   I haven't seen the unit you are talking about, but the 7000 wats is
probably set by the hp of the engine, and the surge 12,000 by the capacity
of the generator end.  In other words, you might find that same generator
end connected to a larger engine rated at perhaps 10,000/12,000.  If so,
that sounds like a pretty good combination for home standby power.


Posted by ransley on July 11, 2009, 4:33 pm
Why would B&S a motor manufacturer use a honda motor, I dont think
they would. The honda motor is good, but the 12000 rating is
misleading and only a second or 2 surge rating.

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