I have recently started looking into building my own custom 50 gallon lawn sprayer.
I spray a handful of properties every year and my 30 gallon trailer sprayer is somewhat annoying in 4 categories.
1. Spray width roughly 8 feet.
2. Spray hose gun length.
3. It's a trailer.
4. 30 gallons isn't enough.
So let's dive into this. I own a JD X758, no 3ph or CnG brackets. I have looked into the 40gal 3 point set ups ($500), the two downsides I see there is I have to install the 3ph which is like $700 and buy the sprayer. I'd be looking at $12-1300 to gain 10 gallons, 2ft wider spray, and lose the trailer. Things I fear of this set up is overloading the 3ph, and not being able to keep the front end on the ground since I'd be holding around 400 lbs 3 feet off the rear of the mini tractor.
Then there is the john deere click and go set up. 25 gallon tractor mounted sprayer gtfo... no thanks.
So here's what I'm thinking, using a 50 gallon narrow tank mounted to a homebrew bracket that would slide into something to the effect of 2x2x1/4 steel tubing that's attached to the same area the 3ph connects on both sides.
The sprayer arms... I'm considering an overall physical width of 14ft (16ft spray coverage). 6 foot main section with 4 foot hydrulic folding wings. Using the hydrulic valve that allows for floating, this would be an easy way to allow the arms to be moved manually if needed. Using something to the effect of a 50ft retractable hose reel for the spray wand. This needs length due to the rear being wider than the tires, I will have 3 areas I can no longer fit (by going 6ft wide center beam) into since currently the tires rub the gate to enter lmao. Something I'm considering using also is a master control box, running a large set of +/- wires to a quick connect at the rear to plug in a fuse/relay box. This will control 3 solenoid valves, for selective spraying of each boom, lights on each end of the boom, the pump, and a solenoid valve for the spray wand.
Originally I was thinking of having the outside booms fold upward, but have since considered having them forward along the tractor due to needing a narrow width while under trees at 2 properties.
Here's some pictures to chew on.
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