I have a 2016 Kubota RTV-X1140. I am tempted to buy a coast valve to make the shifting easier and eliminate the harsh slow-down when you let off the gas. I found this one Kubota SFS Specialties Coast Valve Kit - Side By Side Stuff but it does not work on the X-series for some reason (costs...
I studied this very question for a long time before setting on the R4. The bottom line is that the R4 offers only about 60% of the traction of the R1 (ag tread). However it does not tear up the ground as bad as a R1. It also has a wider stance. I was concerned about tip-over potential while bush...