Homeade Brush Cutter.....for skid steer...

[Complete]

Hey guys new here have a couple questions.

I recently picked up and old brush cutter. Real similar to this

I can't complain the price was FREE

I wanted to turn it into something similar to this

My problem is I have no idea what size or spec hydraulic motor I should use.

Could anyone help me with this task?

Here is my machine

 

[Sunkistdds]

Is the cutter wider than your skid? Nice machine not to scratch up for no reason.

I'd put some guage wheels on the now front and get a suitable HYD motor... ur question: Just look up the specs on torque and volumn on a commercially produced unit or ask a dealer and match it, won't be cheap unless you find an old bone yard for like a state DOT and get it there. That BH has a 6 spline 1 and 3/8 shaft I think so hooking up would be a breeze. Looks like a week end job.

 

[Complete]

Is the cutter wider than your skid? Nice machine not to scratch up for no reason.

I'd put some guage wheels on the now front and get a suitable HYD motor... ur question: Just look up the specs on torque and volumn on a commercially produced unit or ask a dealer and match it, won't be cheap unless you find an old bone yard for like a state DOT and get it there. That BH has a 6 spline 1 and 3/8 shaft I think so hooking up would be a breeze. Looks like a week end job.

Well the hog I picked up the under side blade disc was completely rusted away so I cut that off and fixing to cut the gear box off.

I just need to find a suitable hyd motor to bolt in place of the original gear box

 

[GATC35]

Go here:

http://www.skidsteerforum.com/DesktopDefault.aspx?tabid=54&frmView=ShowPost&PostID=10821

 

[flusher]

My rotary mower is a 6-ft Hawkline that has a 50-hp rated gearbox.

http://www.gohawkline.com/RCSeriesCutterManual.pdf

I run it off my Mahindra 5525 tractor that has 45 pto hp. These mowers are designed to run at 540 rpm at the pto. I believe the gearbox is 1:1.

So, I'd look for a 50-hp hydraulic motor to adapt this particular mower to your skid steer. Maybe something like this

https://www.surpluscenter.com/item.asp?UID=2009060311563878&item=9-1743-B&catname=hydraulic

 

[Complete]

See I don't want to hook into the gear box I want a direct drive hyd motor so I can run the 20gpm line on my skid steer. That and there is less power loss from the hyd motor, to the gear box, to the blades.

A direct drive motor should spin a little faster and cut more dense brush.

 

[J_J]

What is you output in GPM to your aux circuit.

 

[Complete]

What is you output in GPM to your aux circuit.

I have 20gpm circuit and I have a 38gpm circuit. Plan on using the 20gpm want to try and cut stuff up to about 4" in diameter.

 

[J_J]

If you have an output of 25 GPM, and you want to turn the cutter at around 540, then you will need a 10 cu in motor. Now you will have to find a shaft and stump jumper assembly to match up with the motor via a flex coupling.

 

[J_J]

20 GPM at 578, you will need a 8 cu in motor.

38 GPM at 549, you will need a 16 cu in motor.

https://www.surpluscenter.com/item.asp?UID=2009060312125154&item=9-4338-08&catname=hydraulic

http://www.nextag.com/lovejoy-coupler/stores-html


Have to watch out for psi limitations.

Is your GPM output variable with in the two ranges. You could vary the engine rpm to set a pump output to match up the motor you want to use, but , then you have to consider your ground speed.