Trailer modification

nick4030 · Mar 14, 2018

TUDOR, the 430 has three spools of factory hydraulics available for implement use. The rear outlet was a kit that was optional, and there are used and reproductions available to have that option. In the meantime, he mentioned using the ports on the front with hose extensions.

TUDOR · Mar 14, 2018

nick4030 said:
TUDOR, the 430 has three spools of factory hydraulics available for implement use. The rear outlet was a kit that was optional, and there are used and reproductions available to have that option. In the meantime, he mentioned using the ports on the front with hose extensions.[/QUOTE]

Yup. I caught that. My suggestion was as a way of shortening the run and eliminating the U-turn for the hoses at the front. A couple of Tees are cheaper than an extra 4-6' of hose.

What are the 3 spools for? On my MF, one is for the mower/blower/front blade lift, the second is for the 3PH, and there is provision to add a third for blade angling or whatever.

nick4030 · Mar 14, 2018

TUDOR said:
nick4030 said:

TUDOR, the 430 has three spools of factory hydraulics available for implement use. The rear outlet was a kit that was optional, and there are used and reproductions available to have that option. In the meantime, he mentioned using the ports on the front with hose extensions.[/QUOTE]

Yup. I caught that. My suggestion was as a way of shortening the run and eliminating the U-turn for the hoses at the front. A couple of Tees are cheaper than an extra 4-6' of hose.

What are the 3 spools for? On my MF, one is for the mower/blower/front blade lift, the second is for the 3PH, and there is provision to add a third for blade angling or whatever.

Click to expand...

I've never owned one with 3 spools, but I believe one is 3pt and deck lift, then one for each set of front ports. I'm not sure where the rear ports tie in at though.

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TUDOR · Mar 14, 2018

dave_r said:
The hydraulic motor idea is likely to work, given that there is a 30" hydraulic tiller that may work with it. But I have both very little knowledge of the specific capabilities of JD machinery, as well as very little specific knowledge of hydraulics...

The tiller has a large appetite for fluid flow and thus has its own pump that is just a tad bigger than the hydro charge pump that is under discussion for this project.

Shack01 · Mar 14, 2018

TUDOR said:
nick4030 said:

TUDOR, the 430 has three spools of factory hydraulics available for implement use. The rear outlet was a kit that was optional, and there are used and reproductions available to have that option. In the meantime, he mentioned using the ports on the front with hose extensions.[/QUOTE]

Yup. I caught that. My suggestion was as a way of shortening the run and eliminating the U-turn for the hoses at the front. A couple of Tees are cheaper than an extra 4-6' of hose.

What are the 3 spools for? On my MF, one is for the mower/blower/front blade lift, the second is for the 3PH, and there is provision to add a third for blade angling or whatever.

Click to expand...

On my 430: One was for lifting/lowering the deck. The other two went to the front 'bumper.' One went to the lift cylinder, and the other was used for spinning the chute.

sidecar4866 · Mar 15, 2018

TUDOR said:
Single action cylinders require a different spool in the valve body. Use of the normal spool results in dead heading the unused work port when the spool is shifted to lower resulting in heat due to the relief valve popping for the duration of the retracting process.

Somewhat off topic, but could a single action cylinder be used with a spool valve that has the float capability?
just another after thought,,,

jimmy

TUDOR · Mar 15, 2018

sidecar4866 said:
Somewhat off topic, but could a single action cylinder be used with a spool valve that has the float capability?
just another after thought,,,

jimmy

It would work, but it's not recommended.

TUDOR · Mar 15, 2018

Shack01 said:
TUDOR said:

On my 430: One was for lifting/lowering the deck. The other two went to the front 'bumper.' One went to the lift cylinder, and the other was used for spinning the chute.

Click to expand...

Thank you!

I thought that that was the setup, but wasn't positive.

I'm so used to using the 3PH with only 2 spools that it seems to be a waste having 3 work circuits and no 3PH. :hide:

brackishtractor · Mar 16, 2018

I agree, again, that a hydraulic or electric motor should be mounted to the existing threaded shaft in place of the crank, and leave everything else stock. Its a pretty elegant and uncommon design.

You may want to double check the geometry when you size your motor for necessary torque. Maybe load it full and see what effort the crank requires.

doug430 · Mar 16, 2018

brackishtractor said:
I agree, again, that a hydraulic or electric motor should be mounted to the existing threaded shaft in place of the crank, and leave everything else stock. Its a pretty elegant and uncommon design.

You may want to double check the geometry when you size your motor for necessary torque. Maybe load it full and see what effort the crank requires.

Yes I agree with leaving it as original as possible, I still can't find another like it so I don't want to destroy it. I will have time this weekend to bring it in the shop and do some test and figures. I'm hoping nick4030 can find time to give me a hand and get this bad boy done. I am thinking of painting it Brinly white with some new wheels as well

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rayjay · Mar 16, 2018

One neat thing about the screw setup is that wherever you stop that's where it stays. I had an electric motorcycle lift table by Handy Industries that used a similar arrangement.

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