hi starcana
i have an old kubota b7100d and its a gem, i dont do much maintenance but it keeps running and running, its a compact tractor with 3 pont linkage and a power takeoff so add ons like a single plough or a harrow are available for them, we have a roller, sprayer with boom + lance and a grass topper, i think the kubota you are looking at is much better than the one i have, but then also much more expensive.
i am a kubota fan
i think the westwood is really just a lawnmower with little else going for it, but i would guess that if you only want to cut grass it would do a good job, but for anything else (flexibilty) i would choose the kubota everytime.
but dont forget i am a kubota fan
kn