1968 massey 135 cont. gas tractor 3 pt lift. slow liftting.

[boomer05]

will lift brushhog but is real slow and the levers have to be nearly all the way up to lift.oil is clean.pump circulates a good flow.thanks

 

[J_J]

Although your pump flow is good, it might not be getting to the 3pt cyl, and if it does, it could be leaking by the cyl seals.

The relief valve might be leaking.

Install a hyd gage and test the pressure while lifting or max out the 3pt cyl and read the pressure.