We had them on our race team toy hauler and I have them on my current 5er. Both trailers have one that is much harder than the other. I think it's probably an alignment thing. If I get directly under the foot or have someone else help lift so everything stays square, it is much easier.
2016 Coachmen Chaparral 390QSMB
2011 F350- CC, DRW, LB, PSD
2016 nights camped: 40