Home depot sells a Dewalt pressure washer at 3750 psi, 4 gpm, with a
13HP Honda GX engine and a decent looking brass pump. This a good deal? Is this a great washer? Any tips pluses or minuses welcomed.And thanks!
Dean
It sounds good if you need lots of power in a pressure washer.
I've learned to pretty much ignore the psi rating given to a pressure washer as those numbers can be fudged.
Gallons per minute is a much better way of telling how strong the unit will be.
And at 4 gpm that thing should kick ass.
The Honda engine is a nice plus as well.
As long as the house you are using it at can put out 4 gallons/ min :-) .........But most will
I've used professional machines and at 3000 psi they'd cut wood.... Literally! I dare say that their 3750 psi rating is rather exaggerated as greg6 mentioned. It's kind of like loudspeaker ratings, way too many variations in rating their actual capability. PSI is traded for GPM and visa versa. 13hp is pretty decent power and yes, the Honda is a great engine. 5gpm is average 1/2" garden hose volume unless you happen to be on a well. I've found that the most important part of a whole pressure washing system tends to be the actual nozzle. The name eludes me at the moment but we had one with a ceramic ball that spun around inside and would create a 'pulse' of water rather than a continuous stream. That's the one that would cut skids in half, you definately didn't want to accidentally hit your shoe with it :) If there's a decent warranty on the actual pump itself, sounds like a good deal. I would try to find the Pump manufacturer/model # and research that before I bought it though.
On Feb 21, 1:49 am, "dean" wrote:
Yes I have heard that you should multiply the PSI with the GPM to get "cleaning units" as the best measure of the machines power.
I am on a well, so I better go see how long it takes to fill up a galon! Thanks for the tips, I will look at the pump.
Dean
Hey Dean, I just saw your question, I have one, just finished washing My motorhome, it's a great machine had mine since 2008
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