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Homemade 200 Gallon Sprayer

B

Bill VA

Well-known Member
One of the projects we are contemplating is buying a 200 gallon tank, mounting it to a trailer and using the boom, pump, etc off my 3pt 50 gallon sprayer to it. The goal is more time in the field vs repeated re-fills. Tow behind would also be more stable with the larger gallon capacity.

Anyone done this?

Also - for you folks using sprayers, are you able to mix the exact amount of spray you need for a given outing - or if you have spray left over, leaving it in the tank - for another day? One thing to empty the tank spraying, pouring out on the ground is a non-starter for me and if I had 20 gallons of spray (as an example), probably easier to leave in the tank then drain off in 5 gallon-ish jugs. What do you do with your access spray?

Thanks!
Bill
 
I can get pretty close on the spray amount after a few years. You should be able to mix to within 5 gallons or so?

You would just spray out on the early stuff you sprayed, only 1/2 acres extra. Drive faster to lower the rate, hit the weedy patches, etc. put a hand wand on the rig and spray on fence lines or so forth to use up.

Some product you can leave in the tank for a few days, some that's not so good. I find over time a scum often forms and I just don't like the stuff sitting in there for weeks....

How wide is your boom, after a bigger tank that will be the next wish, just a little wider... ;)

I have a 110 gallon 3pt 20 foot, and a 300 gal 40 foot trailer sprayer.

Paul
 
PLEASE go to your county extension office and get a CORE Pesticide Applicators Manual! You don't necessarily have to take the test unless you're planning to use restricted use pesticides,but READ THE BOOK. You'd better especially know the legal ramifications of dumping things on the ground if that thought has even entered your head. When it comes to the law,ignorance is no excuse.
 
I prefer a pull type sprayer.Yes you can mix partial loads. Just have to do the math. I rarely have extra left over.If I do,It get sprayed on (irrigation) ditch banks, fencelines,'ends',places like that.Some chemicals loose their effectiveness a few days after being mixed.NEVER just pull the plug.And,I would NEVER try to save unused solution.As was said,go talk to extention agent,spray suppliers.IE,'experts'.These days,many products are "Restricted". Take the "private Aplicator" coarse/exam and get certified.
 
Mine is a 110 Gal trialer type. The booms cover 8 30" rows.I apply 10 gal/acre 'solution'. So mixing is pretty easy.Divide/multiply by 10.It is wise to mix a bit more(1 or two acre' worth') than needed.That way you wont run out. You tend to use 'more' by turning on ends.I spray 70 to 80 acres of corn annually. Really doesnt take long at all.
 
Boom is 20 ft wide. Doubt if I'd go larger given our smaller fields and irregular shape.

Thanks,
Bill
 
I have that book. Dumping on the ground has NEVER crossed my mind as I eluded to in my OP.
 
Thanks! Good idea on spraying ditches, etc., areas to empty the sprayer. One of the battles we have is road/trail areas where it is desirable to rid woody plants, but grass is OK. That's where we are using whatever is left, if any with my present sprayer.
 
Best product for hayfield weeds is Grazon P+D, but you need license to spray it. Go to the class and get your res license.
 
Familiar with the grazon. What I don't like about it is the residual. I'm selling the hay and have had the question asked - has the hay been sprayed with any chemical with a residual.

Presently I'm using 2,4-d and last time out used Pasturgard, which worked great.
 
Don't mean to come off sounding harsh,but 99% of the time when somebody has a sprayer question,they don't have that manual.
The manual completely covers calibration,and if it's calibrated and you know how many acres you have,you should come out pretty close. It covers what type of product will settle out without agitation too.
All that said,I have a 30 gallon Roundup barrel here that I pump it off in to if there's more than 5-10 gallons left over.
 
I'm thinking of doing the opposite. I have a 110 gallon field sprayer that I'm thinking of putting on a smaller trailer with shorter booms to pull behind a garden tractor.
 
Make sure your new tank has a decent sized sump.....some are too shallow, so you need to mix "extra" just to get it all out. I"d say a gallon sump, six inches deep, should work well.
 
When I use things like 24D and/or cobra I put the dregs into old two gallon chemical jugs. I keep them in the shed and add a splash of Roundup to do the driveways and fence lines. I usually only have about one of those overfills a year but that gets put to good use. The only time it gets dicey is when you have chemical specific fields. I had half Liberty and half Roundup beans this year. I can tell you just how much chemical stays in those 60 foot booms when you switch over and start with the other kind. You can kill a pretty good swath of Liberty beans pretty quick.
 
I only spray 2, 4-D on my prairie grass because I have lots of Korean lespedeza and want to keep it. Fine hay. I bought boomless nozzles a few years ago and they are great on rough ground, more susceptible to wind. Get the manual, and calibrate your sprayer. It's pretty easy to put exactly ten gallons of clean water and spray in the gear and throttle setting you use in the field. When you run out you measure how far you've been and calculate how many acres you would have covered. Overlap and underlap are what will cause you to run out or have leftover, but pretty soon you'll learn how many acres you spray with 160 gallons of chemical.
 
Roger is right, get a manual about calibration and get a nozzle chart. If you accurately know your tractor speed and have an accurate pressure gauge you can be pretty close. I have a 1000 gallon field sprayer with a 60 foot boom and a monitor that puts on any rate I tell it and I admit it has spoiled me. I also have an old 200 gallon sprayer with a ten foot boom for fence lines and small grass areas. That rig is a shot in the dark when it comes to knowing how much I am applying. This fall I made a lawn sprayer with a six foot boom for the lawn mower. I had no idea how fast I was going so I downloaded a speedometer app on my smartphone to solve that problem. I went by a nozzle chart and this speedometer app on the cell phone and ended up hitting the nail on the head with the application rate.
 
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