Posted by Owen Aaland on February 16, 2009 at 17:49:22 from (65.165.246.48):
In Reply to: Gears posted by K-Mo on February 16, 2009 at 04:11:42:
Wardner said: (quoted from post at 18:11:51 02/16/09) mkirsch,
I am on dangerous ground here as I don't have any experience with IH hydros. The PTO rpm should have a constant ratio with engine rpm. Isn't the pto gear drive?
The Hydros use a single shaft driven off a flex plate in the flywheel. This input shaft drives through the PTO gears to a counter shaft much like a regular clutch tractor. The counter shaft drives the rear hydraulic pump (larger tractors) and the PTO. The input shaft also drives the hydro charge pump and the hydrostatic transmission pump.
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