So I want to buy a Kubota B2320, the specs have the width at 45". I want the tractor to straddle 36" beds and the tires to fit down 18" paths. I think this tractor will work but what do y'all think? And is the width of a B2320 adjustable?
There may be 'some' adjustment to the width but not that much. In normal configuration, that machine will be 45 - 48" or so wide depending on which tires are on it. For that machine R1s will be about 10", R4s 12" and turfs 15". Fitting in the 18" paths should be doable but I can't see any way that you'll be able to straddle the 36" bed. My B3300 still only has 24" between the wheels and it's a 60" frame size.