Kubota ZD28 mower

donhoff

New member
Nov 30, 2011
2
0
0
Johnstown,Pa
Can someone help with tapping in on the hydraulics on a Kubota ZD 28 mower. I know it's not a tractor but, it's still a Kubota. I'd like to use the mowers hydro power to run a hydro motor. I'm not sure where to tap the line.
 

bcomstock15

New member

Equipment
GF1800 4wd
Nov 12, 2011
22
0
0
Calgary, Canada
That sounds interesting, whats the purpose? just curious :)

Sorry i dont know very much about hydraulics, but i don't see why you couldn't tap into it anywhere.. just figure out which is in and which is out.. thats just a guess though, sorry :)
 

donhoff

New member
Nov 30, 2011
2
0
0
Johnstown,Pa
Well, here's the story. I have a gas powered Trac Vac collector on the rear of the mower and it is a big pain in the butt to empty it when it's full. You have to disconnect the large collector hoses, remove the rear door and then tilt the trailer to dump the leaves or clippings.
I would like to rebuild the trailer and design a moving floor, similar to a manure spreader, using the mowers hydro power and a valve to run a hydro motor to rotate the (floor) of the trailer to push the clippings out. It would be nice to just back into a dumping area , open a valve, sit back and watch the clippings just roll out. I would'nt even have to get off the mower. I just need help with tapping into the hydro system and what type of valve and motor do I need. Good idea? or not.
 

KubotaTech

New member

Equipment
None- I get to play with everyone elses stuff
Apr 1, 2010
185
1
0
PA
I would say it is not a good idea. These mowers already have hydro problems, no need to go and add an accessory to give it more of a chance of failure. Dont just tap into it any old plug- you might get 4000 psi of hydro pressure. The charge pump is what is used to operate the lift and you probably wouldnt get enough out of it to power what you want to do.
 

Stumpy

New member

Equipment
L175
Dec 1, 2011
848
6
0
NE Ohio
Hydraulic motors aren't cheap either plus the long hoses you'd have to run to do something like that. Honestly I'd do it electrically. High current 12V equipment is real common and you oughta be able to do that with mostly junkyard parts. It's intermittent use and the engine will be running full tilt the rest of the time, shouldn't have any problem recharging the battery between uses.

Were it my project I'd find a cheap geared motor starter. You should already have the reduction you need there, if not attach a sprocket and chain. Weld up the Bendix drive and attach whatever you need to the shaft. This only works assuming you don't need to reverse the conveyor but there are plenty of options. A snow plow pump motor for example. Though if you really needed to get reverse out of a starter motor I suppose you could. Remove the one way clutch and electrically isolate the motor mount.... A relay gives you a nice dash mounted switch and a pair gives you forward and reverse.

Some ideas. Anyway if you're still set on tapping the hydraulic system anywhere down stream of the pump on the high pressure side works. Just remember you need to know the pressure of the system and use the correct fittings or a regulator. Just cut the high pressure pipe, braze on two fittings, run one end into your control valve and the other end out. The site has an article on it here.

Good Luck,

Matt