Hi David - As Elmer mentions, there are valves to do the job. One is a switch valve to divert hydraulic oil flow from the lift arms to an external control valve. Called a selector valve or 3 way selector valve, bolts onto the top of the trans in place of the 3 x 5 cover. About $140 Cdn. The other types are full blown levered valve banks with one to three control levers - fit in the same location. A three lever unit is listed at $740 Cdn. Kind of makes the decision easy, doesn't it! The problem - the internal pump is rated at about 4 GPM and about 2250 psi., when it's hitting on all 4 cylinders. Decreases when it gets tired. This volume is ok for lift cyls, but may be quite slow for a wood splitter. Check the cyl bore & stroke and do some math to see how long it will take to extend it fully. Good luck. Great Tractor! Jack
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