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Tractor Talk Discussion Forum

Propane pump - are they still made?

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mbu

11-13-2006 15:31:00




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When I was young we had a John Deere that was powered by propane. To fill the fuel tank on the tractor we had a hand pump that was connected to the bottom a 500 gallon storage tank and then to the tractor tank. Do they still make these pumps?

Thanks in advance




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Mike w J

11-14-2006 16:20:17




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
Krug lp pumps are built in madison S.D They can supply you with a pump or a hose to use the bleed method I have been filling fork lift and grill tanks with a hose and the bleed method for 20 years The new opd tanks do take a little longer



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Pete - IN

11-14-2006 05:35:27




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
I inquired about an electric pump at my propane supplier a couple years ago. Wanted one to fill my hot air balloon. They had a catalog with all kinds of propane fittings and supplies. As one of the guys said below, a hand pump is about $500. The electric pump, which is what I wanted, was more costly than what your old iron is most likely worth. Occasionly, one (electric and hand pump) will show up on Ebay. Never did get one yet. Pete

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mark-in-michigan

11-13-2006 19:42:10




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
The 5 1000 gallon tanks I have all have a liquid draw valve on top.Liquid draw commonly used on grain dryers.Mark



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mbu

11-13-2006 18:04:47




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
Thanks everyone for responding!



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Nebraska Cowman

11-13-2006 16:27:13




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
You don't need a pump. Just a wet line on your tank. It uses a dip tube and comes out the top. Then just vent off the gas on the tractor. You kill two birds with one stone cuz you can hook up a garden hose to the vapor vent and blow the dust off your tractor while you are filling. And it gives you something to do so you don't get bored.



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Glen in TX

11-13-2006 17:33:42




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 Re: Propane pump - are they still made? in reply to Nebraska Cowman, 11-13-2006 16:27:13  
We never used pumps or return line either. First time I heard that one cleaning the tractor off with it. I suppose it works if careful and things are cooled off and no sparks. A guy by town had big 1000 gal. propane tank for house, shop and tractors and got to using it for his shop air until he was under a vehicle using the vapor to run a impact wrench and had a big boom and flash fire under it burning him some and he couldn't hear for a while and was hairless. Tanks will fill some faster if you switch back to running on vapor for about a hour or so reducing tank pressure before shutting down.

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mbu

11-13-2006 18:02:04




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 Re: Propane pump - are they still made? in reply to Glen in TX, 11-13-2006 17:33:42  
Glen,

Glad the story didn't turn out to be something about the guy's obituary! Had a good laugh with that one though.



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Glen in TX

11-13-2006 21:58:18




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 18:02:04  
Some people never learn and that same guy did about the same thing a few months later and he is still around yet. It's a wonder he hasn't blown up his shop? lol. Yeah as a firefighter I've seen much worse when someone wasn't safe with LPG but it's really as safe a fuel as any when you handle it right.



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KIP in MX

11-13-2006 16:26:30




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
We had an electric pump on our 1000 gal tank as at one time most of our tractors, cotton picker, windrower and pickups ran on propane. Sure beat filling by bleeding vapor. Never saw a hand operated pump.



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jdemaris

11-13-2006 16:08:39




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
Seems besides finding the pump, you'd need a tank with a bottom tap - and they usually don't come that way for general farm and home use. I just made that mistake recently. Bought my own new 1000 gallon LP tank and was thinking that maybe someday I'd find a way to hook a pump to it and fill small tanks from the big one. Ends up - there is no bottom tap - not even a place for one. Seems I should've gotten the more expensive model - but didn't realize the bottom tap was an "option."

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mbu

11-13-2006 16:24:09




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 Re: Propane pump - are they still made? in reply to jdemaris, 11-13-2006 16:08:39  
jdemaris,

Actually as I remember it...

The tank we used didn't have a bottom tap either. From a top exit, we just fitted it with a pipe that went to the bottom of the tank.



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jdemaris

11-13-2006 19:23:17




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 16:24:09  
Would that work? I'm no expert on the matter, but the liquid is at or near the bottom, and it's the liquid that needs to be pumped. How does a pipe coming off the top even if looped to the bottom get liquid? I'm not arguing, by the way - but I would like to know if that would work.



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mbu

11-13-2006 20:43:03




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 Re: Propane pump - are they still made? in reply to jdemaris, 11-13-2006 19:23:17  
jdemaris,

Sure it works - one proves it to themselves every time they use a straw to drink their soda.

Another way one can see how a liquid is "pushed" out of a pressurized tank is to do the following. Next time you order a soda at a fast food restaurant get it with two straws and a lid. Drink some of the soda so that its level is about an inch below the cups rim. Then poke one straw through the lid until it almost touches the bottom and seal it with some chewing gum. Now take the other straw and stick it thru the lid so that it is above the level of the soda and seal it too. Now blow into that straw and the soda will come out of the straw that reaches to the bottom of the soda.

One of the nice things about having a tank rigged so that the liquid is pumped from the top with a tube to the bottom is that any sediment will not go thru the pump and cause damage.

Oh... just thought of something else that uses this idea! I don't know if this is still done now but the spray cans of paint etc. would use liquid propane as the propellant. This works great since the propane will maintain a constant pressure from the can if the temperature is constant.

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John (C-IL)

11-13-2006 19:41:55




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 Re: Propane pump - are they still made? in reply to jdemaris, 11-13-2006 19:23:17  
All modern tanks have a liquid withdrawl fitting on top. That being said, you need to have your propane supplier set it up. It takes a special fitting to make the fitting useful and you will also need a hose and at least one valve on the hose.

Although you can bleed the receiving tank off in the air, that is not the environmentally friendly way to do it.



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Kenneth Smous

11-13-2006 15:59:25




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
Try a google or yahoo search for Krug propane pumps. I bought a hand operated one several years ago from them. They are a bit expensive, I remember paying around 500.00 for the pump and shipping.



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mbu

11-13-2006 17:56:52




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 Re: Propane pump - are they still made? in reply to Kenneth Smous, 11-13-2006 15:59:25  
Kenneth,

Thanks! That"s what I was look for.



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Brokenwrench

11-13-2006 15:45:32




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 Re: Propane pump - are they still made? in reply to mbu, 11-13-2006 15:31:00  
I would suggest talking to your propane supplier. I know when I used to haul propane there were a few of those setups in use. Alot of suppliers have transfer pumps to transfer from one tank to another. You`ll probably have to have them come out and pump your tank down to install the plumbing and the pump anyway.



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504-1

11-13-2006 19:46:40




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 Re: Propane pump - are they still made? in reply to Brokenwrench, 11-13-2006 15:45:32  
One of the small fittings on the end of the tank should be a siphon(stand pipe)that is how you get liquid from the top of the tank.



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