Lower Lift Arm - 2 Point Attached Mower Conditioner Question

mercredi 24 août 2016

NH, JD, Krone, Vermeer - at some level in their mower conditioner line-up, offer a hitch system that attaches to the tractor via the 2 lower lift arms vs the draw-bar.  I gather this arrangement with vertical gearbox as a pivot allows max turning with zero drive-line bind.

 

But.....

 

1.  How hard/cumbersome are these 2 point attachment mower conditioners to attach to the lift arms - breeze or wrestling match.  Looks like a tight space once in place - is it a struggle to get the PTO hooked up to the shaft with all the 2 point framework/lift arms there?

 

2.  Once hooked-up, the lift arms appear to be in a lift position, i.e. the lift arms at a 30 degree-ish angle up - off horizontal/parallel to the ground.  Certainly not lower than horizontal.  Question is - does this cause the mower to pull the front end up more so than a draw-bar arrangement where the effective point of attachment is on a draw-bar is lower than the rear axle and the lift arm attachment points are above it?  How do you set the lift arm height with respect to proper cutter-bar height/level with respect to the ground?

 

3.  So you are going along with the 2 point mounted mower conditioner and you - for whatever reason, decide to slam on the brakes.  What keeps the mower conditioner from pushing against lift arms and causing them to rotate up and towards the tractor?  Same for going down a hill - what keeps the mower conditioner from pushing the lift arms up and towards the tractor.  When I was a boy - it was drilled in to my thick head, never pull a wagon with a draw-bar mounted to the two lower lift arms, without some locking device (and even then it was a risk) to keep the lift arms from coming up and potentially causing damage or wrecking the tractor as you travel down hill.  How is this 2 point mower conditioner attachment different?

 

Any other good, bad and ugly you can share regarding a 2 point attached mower conditioner is much appreciated.

 

Thanks,

Bill



Lower Lift Arm - 2 Point Attached Mower Conditioner Question

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