Rear hydraulic on Kubotas the less expensive way

accordionman · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

SIR,
i have been asking this question for some time. how do i install
extra hydraulics on a L3000DT KUBOTA? my steel block is on the
left side of the tractor, under the seat. it has two hoses coming
from it. i was told be a tech, that if i tapped into the power beyond,
it would damage the pump. if i installed a "T" in each of these lines,
and hooked hoses to these, would this add the extra hydraulics?
of course i would need a spool valve. i can make an extra block if
needed, as i have the machines to do this, and i am a retired machinist.
this setup would be used for a top, and tilt. any suggestion would
be appreciated. i tried to e-mail you but it came back.
accordionman
wlbrown, wright city, mo.

_RaT_ · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

"What you are really paying for is the over priced spool valves"

I would argue that. At about $1300 for a full TnT setup with 6 quick connectors, 2 Gannon hydraulic cylinders, a very nice 3 spool valve, tap block, and many, many, many hydraulic fittings not to mention a bunch of hydrailic hoses with crimped ends, and a bracket to hold the 3 spool valve, it's not cheap, but there is a whole lot more too it then a hose, a 3 spool valve and inexpensive hydraulic cylinders. While mine is not Kubota, it is fairly comparable in terms of quality. Kubotas mounts in the body of the L30 tractors while mine sits on top where I prefer it. The value it adds to a tractor is in my opinion second to none, especially the top link. If anyone is thinking about it, the hydraulic top link is indispensible. Rat.

P.S. Good job BBell.

BBELL · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

Gee, I try to give some of you guys some cheaper alternative way to get hydraulics to the back of your tractor, instead of the Kubota rip-offs and you jump all over me, sorry. I did notice one you is a dealer,opps there goes some rip-off hydraulic sales. Any way, I've got some picture coming, of the part, it does look good. 5030, I used a broach bit to make a o-ring groove instead of a flat indended surface, lot less chance for the ring to kick out and leak. I mirror image the patten of the Kubota blank to the stock, so the holes are dead nuts on. The surface of the stock does not need to be milled finish but reasonably flat, the o-ring does the sealing. There is a third hole in the tractor, but it's just a blank on the piece, you have to make a O-ring groove for this one also on the part your make, to create a seal. Don't ask what it's for, I don't.

Junkman · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

BBell........... get used to it.... the crank, cantankerous, cynical, misanthropic, & pessimistic attitude of the members here is just a facade that they put on once in a while. They don't mean anything nasty, but it is just their way of welcoming the newcomer to the block. Sort of trying them out to see what they are made of...... if you will stay and play the game the way that they set the rules, but the rules will change while in play and you will have no idea what the new rule(s) are. You have three choices...... run and hide, just ignore them, or join them and just throw it back at them. All kidding aside, they members here are a great bunch of guys that sometimes don't always write with the soft spoken word, but are truly wanting to be helpful and might come across a little harsh, but they don't mean to. Having said all that, welcome aboard and I hope that you are here to stay, because G_d knows, we need one more expert to keep all the experts here in line..... LOL...... Now about that personal work on government time..................... /forums/images/graemlins/shocked.gif

BBELL · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

one more note, if you don't feel that this is not good idea for what ever reason, safety, looks of it, or anything don't do it. Just go down to your local dealer, and they can set you right up. Before you leave to go there, practice grabbing your ankles. I was born on a farm and now build the biggest, meanest killing machines in the world.

art · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

I didn't mean to put you down I was just making note of my own observations of prior installations of options. I hear a lot of the price of the valves here and the bad part of it is they are right on the money with the big tractor valves. I don't think that they are expensive for there uses and the convienece of them. On a 30 plus horsepower compact give me two minimum!

5030 · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

Jerry:

I wasn't trying to smoke the guy. There are some inherent dangers involved when playing around with high pressure oil. The injection of oil into the human body under high pressure can be fatal if not treated by professional medical personnel immediately.

I have witnessed that scenario personally. When I worked on the lake boats, I saw a guy standing near a high pressure fitting that ruptured and injected oil into his forearm. He didn't think much of it, and didn't go to the hospital until several hours later. He had to have his entire arm amputated at the shoulder.

That's why, if you read your owners manual, it will show a picture of a piece of cardboard near a leaking fitting. That's the proper way to locate a leak. You can also use fluorescent dye and a black light.

The 2 parallel surfaces of the mounting block must be symmetrical with each other so that the clamping pressure of the bolts exerts equal pressure over the whole surface of the "O" rings. Any surface irregularities in the mating surfaces would negate this uniform pressure. I am familiar with the mounting block itself and the mating surface is machined to a high degree of flatness.

I am not saying that the piece isn't expensive, on the contrary, it is. Precision machining doesn't come cheap, whether it's done in Japan or the United States.

BBELL · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

When I was on the farm, I ran a Lockwood potato harvester, with a air head. That impliment had a 9 spool valve back. Thats like playing the piano. LOL.

art · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

You have some good experience. I had a customer who went to a cab tractor and we built a hydro electric bank and put momentary on toggle switches in the cab on a lockwood. Then we did two more for him the next year.

_RaT_ · Nov 9, 2003

Re: Rear hydraulic on Kubotas the less expansive way

For what it's worth, I think your idea is great and thank you for sharing it with folks who really want add some rear hydraulics but find the price of the Kubota equipment more then they want to spend. Either way they will love having a hydraulic setup on the rear. I realized I could have modified the Prince cylinders and purchased a much cheaper 3 spool valve, but the Dinoil I use is very well built and gets a lot of use, especially the first spool. Anyway you decide to do it will be well worth the effort. I can't say enough how valuable TnT is for me. Thanks for the info BBell. Rat...