MX5100 is a great tractor. FYI, the MX5100 has a larger front tire than the L series, and that slightly larger tire is quite noticeable (in a good way) on rough terrain. Here is a photo of our
L5740 and old MX5100 side-by-side, MX is on the right.
View attachment 531967
There is only a difference on the industrial R4's.
Not sure how kubota swings it though......
Ag (R1) options for both machines are
Rear....14.9-26 with a rolling circumference of 148
Front ...9.5-16 with a RC of 101
Making front to rear ratio of ~1.465
R4 options for the MX are
Rear 17.5L-24.....RC of 145
Front 12-16.5.....RC of 97
Ratio is close to ags at 1.494
But the R4 options for the GL (which has the SAME R1 options an same chassis so I can only assume same gearing)
Rear 17.5L-24....RC 145
Front 10-16.5.....RC of 93
Makes that ratio 1.559
Seems a bit of a stretch to me. But dont notice people complaining about the R4 Fronts being pushed along as a result.....so must still be withing the lead/lag design parameters.
I am kicking around the idea of putting R4's on the front ONLY of my MX.
Giving me 14.9-26 rears and 12-16.5 fronts. That would make the ratio 1.525.
Slowing the fronts down a tad, but not as extreme as the GL....which again I assume is the same mechanical gearing inside.
Fronts dont offer much pull anyway, so lost traction would be minimal. But the wider footprint and a heavier duty tire are what Im after. 9.5's sink in the mud doing heavy loader work alot more than 12-16.5's will