I don't have one but, I know people that have . What I've heard is that when the hydraulic oil heats up the thing starts to slow down . They are not real popular around here . That's what I've heard, for what it's worth .
littlefarmer":1v55eup5 said:We used a 85hp JD @4.5 mph no problem. Used on very hot days and never experenced any hydraulic problems.