Remember that Speed is Fluid flow and fluid pressure is what makes Torque. Fluid motor torque per 100psi is Fluid motor displacement (Cu. In. Rev)/.0628
Fluid motor speed is 231 x GPM / Fluid motor disp. (cu. in. rev.)
Fluid motor HP is Torque output (in. lbs.) x RPM/ 63025 (this formula is for torque in inch pounds use 5252 for foot pounds instead of 63025.
You will need to know how much force is needed to move earth. What is the mech. drive torque now? how fast is it.?
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Today's Featured Article - It Can't Be Done! - A Tractor Story - by Neil Campbell. I'll never forget the time back when I was a boy baling hay on our Farm in Big Rapid, Michigan. The most memorable event that took place was a trip up the steepest incline on the farm pulling an old New-Idea baler with a pony-motor for power and a haywagon. I had just talked my Dad into buying an old John Deere B with 6-speeds ahead and I was real proud of it, except it was a little smaller than the Case tractor that we normally
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