3PH not lifting at low RPMs

/ 3PH not lifting at low RPMs #1  

Indian Territory

Silver Member
Joined
Feb 23, 2020
Messages
107
Tractor
New Holland PowerStar 75
My 75hp New Holland PowerStar will only lift our larger implements (~2,000 lbs—10’ Maschio flail mower, Rain Flo 2670 bed shaper/mulch layer, etc.) when it’s at maximum RPM. Anything below max rev and nothing is moving. It’s rated for such weight and more. Oil is at appropriate levels. Is this normal behavior, or is something wrong, as I suspect? Thanks.
 
/ 3PH not lifting at low RPMs #2  
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