You have expensive tastes.... The skid steer uses a variable displacement axial piston pump. When the swash plate (attached to the control lever) is centered the pump moves no oil. When you push it ahead a bit it moves some. When you push it full ahead it goes to full displacement. When you pull the lever back it reverses the direction of the plate which changes the porting of the pump and creates the reverse... or something like that.
I would think that if you can give up a bit of simplicity for a lot of cheap.... a 100 buck spool valve and a couple of 100 buck PC flow control valves would pretty well accomplish the same thing. Place a flow control in each output line of the spool to create a controled flow on the work lines and dump the excess back to tank. You'll get some feathering on the spool and the rest on the flow controls... A buddy of mine runs a sawmill carriadge like that and basically achieves any speed he needs just feathering the spool...
The axial piston pump you want is many thousands of dollars.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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