Talk about weird shit... for whatever reason, I reverted back to my " how to put a 540 pto on a gt" thought this afternoon and then I get on to see this post. After exhausting the mechanical means, I came up with... Hydraulics. Which btw, it appears that a planetary gear set up is the only way possible if looking to go with the 540 RPM standard.
Surplus Center has LSHT motors with the 1-3/8" "540" shaft already on the motor its self. Then find the correct displacement pump to drive said motor. I have not figured out the details except the way it would be driven (splined output shaft of hydro pump). One of the first issues I see, little to no room for a clutch of any type to disconnect the hydraulic pump. An open center hydraulic valve would need to be installed in the circuit, but would continuously circulate oil.
The valve, if directional, would be very handy if a guy wanted to reverse the pto (post hole digger operation), but not necessary for a gt.
The next issue is oil... there is not room to have a separate oil reservoir, SO the rear end would need to be tapped into for a suction and discharge for the pto ckt. Which, to me, presents the biggest problem, Oil Temperature. Would the oil, after being used to for auxiliary hydraulics and propelling the tractor, become too hot with the extra pump and motor added to the oil system? I do not see a feasible way to install an external oil cooler that wouldn't just look awful on a cub.
Any thoughts?
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1- 1864 Dual hyd, cat 0, axle braces
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