Posted by Bob M on February 16, 2009 at 06:10:49 from (151.190.254.108):
In Reply to: Re: Gears posted by ScottyHOMEy on February 16, 2009 at 05:29:59:
Scotty - While a hydrocreeper would provide the ideal ground speed for rototilling, unfortunately it won’t work for a tiller. Here’s why:
The hydrocreeper is essentially a low speed hydraulic motor that attaches to the PTO shaft. To operate the hydrocreeper first the clutch pedal must be blocked down. Next a transmission gear is selected - usually 1st - then then remote hydraulic valve opened to feed the creeper motor. The creeper motor then slowly drives the PTO shaft which in turn causes the tractor to move slowly forward.
Since the PTO shaft is used as part of the ground drive train (also because the clutch must be blocked down) the PTO is unavailable to run the tiller.
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As you point out, the ideal tractor for running a tiller will have an infinitely variable hydrostatic transmission.
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