It's just ok and I'd be prepared to sink some bucks in it. It will need a new clutch pretty soon. That involves a split. Been run pretty hard and put away wet a few times but Kubota's are pretty stout. Tires are acceptable, not great but acceptable. I'd be asking about the service intervals if anything else.
To give you a benchmark, last spring I bought a used M9000 open station, hydraulic shuttle (no clutch) with a Kubota quick attach bucket plate and 2 buckets for 18 grand. That is a 85 pto tractor. I've since put about another 4 grand in it, lots of stuff because stuff wears out, it's a 2002 model. Just had the dealer run the overhead, new front crank seal and dyno and it's making 96 pto. Paint was faded worse than yours (Kubota orange likes to fade to Mary Kay pink pretty fast) so it got a complete strip to running gear and repaint too. This one has twice the meter hours the one you are looking at has but Kubota engines, even with marginal upkeep will go 6000 hours plus.
