Small water pump

/ Small water pump #1  

LarryC

New member
Joined
Apr 23, 2002
Messages
19
Location
NC
Tractor
L2550
I need a small gas water pump, TSC used to handle one that had a small weed eater type motor on it but don't stock it anymore. I think I remember someone mentioning it here, maybe Bird, I saw it in Northern or one of the catalogs but can't remember which one. Can anyone help, thanks.
 
/ Small water pump #2  
Here's what Northern offers.

<A target="_blank" HREF=http://www.northerntool.com/cgi-bin/ncommerce3/CategoryDisplay?cgrfnbr=1544&cgmenbr=6970&PHOTOS=on>http://www.northerntool.com/cgi-bin/ncommerce3/CategoryDisplay?cgrfnbr=1544&cgmenbr=6970&PHOTOS=on</A>

Jeff
 
/ Small water pump #3  
Harbor Freight also sells various pumps, although their selection is not as near as big as NT. The prices are similar (higher on some, lower on others), but the main benefit with HF is that if you spend over a certain amount ($100 I think) there is no charge for shipping -- taking that in to account, HF is often substantially lower in overall out-of-pocket. If you go to their homepage and search on "pump" you'll get a lot of hits, but here's an example...Hope this helps! /w3tcompact/icons/smile.gif

<A target="_blank" HREF=http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=38273>3.5 hp pump</A>

<A target="_blank" HREF=http://www.harborfreight.com/>Harborfreight.com</A>
 
/ Small water pump #4  
Larry, I'm not sure how small you want, but I have a Homelite AP-125, very small, lightweight, 2 cycle engine (and I don't find the specs in the manual), came with a 1" diameter suction hose and strainer. You can use a 1" outlet hose, or use any garden hose (which is what I've always done) with the adapter than came with it. It was priced at $169.00 in '95 at the same lawn and garden shop where I bought my Cub Cadet riding mower. It's rated at 1860 gph (undoubtedly through a 1" hose and less with a garden hose). The manual has a phone number of 1-800-242-4672 to call for the nearest servicing dealer.

When we were burning brush, we just put two 55 gallon barrels of water and that pump on a little trailer behind the tractor to stop any fire that tried to spread.
 
/ Small water pump
  • Thread Starter
#5  
Thanks Bird, that's the one I was looking for,I'll call the 800 number monday to see if I can find a dealer.
 
/ Small water pump #6  
Yeah Bird, we've got one just like that here at my office. It works fine for light duty stuff, and runs for a long time on a tank of gas. They can be tempermental.

We've found that an electric bilge pump is cheaper, a lot easier to maintain, and is more reliable. They sell them up to 2000 or more gph. A 1000 gph costs $29, and works great for draining pools, whatever. Rule makes the best, in my opinion.
 
/ Small water pump #7  
John, at the time I bought my little pump, another store in Corsicana had a Wayne electric pump; looked like about the same pump and same capacity with an electric motor for $125, and I'd have bought it if I knew I'd always be using it where electrical power was available.
 
/ Small water pump #8  
Bird,

I've never used an ac-powered pump, but as you stated they should work fine where there is electricity. The ones I am referring to are 12 volt. With little effort, one could wire a plug to the back of the tractor to provide a power outlet for such a pump. A 1000 gph pump fills a small stock tank in less than 10 minutes, and can fill (or empty) a 55 gallon barrel in less than 5 minutes. The pump/hose/cord is small enough to fit in an ammo can, and weighs less than a pound.

I use these pumps A LOT. Beats a 5 gallon bucket by a mile. The nice thing is that they are so cheap, you can buy more than one. For example, you could buy a high volume pump for filling a water can, and a low volume pump for emptying it if you don't want to much volume for small plants.
 
/ Small water pump #9  
John, that's probably a better idea than either the AC or the gas powered ones.
 
/ Small water pump #10  
Bird here are some nice pumps <A target="_blank" HREF=http://www.shurflo.com/>http://www.shurflo.com/</A>
 
/ Small water pump
  • Thread Starter
#11  
What I actually need the pump for is water transfer from the stream on my property and infield use so a gasoline motor type is needed.
 
/ Small water pump #12  
Yep, Hillbilly, I'm not familiar with all their pumps, but I've used (and even rebuilt) Shurflos in RVs and for spraying insecticides. They make some pretty good pumps for those uses.
 
/ Small water pump #13  
In the interest of furthering our collective knowledge I've been doing some testing on the Homelite pump Bird mentioned. I have a small seasonal pond on my property and decided to see what the pump was capable of. The test also raised some questions that maybe others could answer.

With 260 ft of garden hose, and about 15' of vertical lift, the pump put out about the same volume and pressure as the spigot (side-by-side comparison). It powered a sprinkler just fine. However, add 110 ft of garden hose and another 8' of lift, and the flow was reduced pretty much to a trickle, perhaps appropriate to watering a tree or some single plant, but not a sprinkler.

Downside to the pump was the noise /w3tcompact/icons/frown.gif. Sounded like a weedeater stuck on high . . . well I guess that pretty much is what it is.

So, I did some looking and found a 4-stroke alternative to the small pump, namely the Honda WX10 <A target="_blank" HREF=http://southwestfastener.com/productsAllWaterpumps.htm>http://southwestfastener.com/productsAllWaterpumps.htm</A> This pump is also set up to use garden hoses, and is rated for a bit higher output than the Homelite.

Now, I've used much larger pumps, and they put out a lot of water. Many come with a throttle that allows you to pump a little water or a lot. So I thought, why not put a reducer on a 2" outlet pump so that a garden hose could be used, and then adjust the throttle to put out just enough water for whatever task was at hand? I posed this question to Northern Tool:

<font color=orange>Can a gasoline water pump with a 2" discharge opening be fitted with a reducer, allowing me to use 1" diameter garden hose? I need to pump water approximately 350', and the little 2-cycle pump I have doesn't provide enough pressure. I appreciate your help.</font color=orange>

I got this reply:
<font color=blue>
Thank you for your email. we do not recommend reducing the output of any pump, as the back pressure would damage the internal parts. Thank you.

Tonia Brown
Northern Tool & Equipment Co.
E-Commerce
</font color=blue>

So it sounds like my idea won't work. And maybe the bigger pump wouldn't put out any more volume/pressure than the smaller pump when reduced to garden hose diameter.

If anybody could shed some more light on this subject, I would certainly appreciate it.
 
/ Small water pump #14  
The best and simplest explanation of why it isn't a good idea to restrict the output of a centrifical pump is that doing so will overwork the impeller and cause a tremendous amount of heat buildup in the pump body that will eat the seal prematurely.
Most pumps in current production use plastic impellers, and are engineered to perform a pretty specific function. I own and use enough pumps to know they are purpose specific, and not intrechangable.
The small (weedeater calss) pumps are handy, and light. They are designed to be just that, and I'm glad they exist. They are built to lift a certain distance (head) and deliver a fantastic amount of water at that lift, considering what they are. One big thing to consider when buying one of these pumps is the availability of replacement parts, the impellers wear out much faster than the rest of the machine, so you better be able to get a replacement, or you will be throwing out a perfectly good engine.
If you must operate a large pump with a restricted outlet, you will need to install a releif on the discharge, and run that water back to the pond, or whereever you are sucking from.
Garden hoses are relatively small in actual cross sectional area, and are also very inefficient in terms of friction. If you were to equip a weed eater type pump with a sump pump discharge hose, it would fill a tank of 500 gallons capacity in 1/4th the time it would take the same pump to fill the tank with a garden hose of the same diameter.
If you want high pressure, use a piston type pump. Piston pumps acheive pressure by restricting output.
 
/ Small water pump #15  
There is only one and that is Kubota. The local fire staion has 2 of these 4 cycle petrol units and they are great little machines. Don't know if they are available in the USA of course.
 

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