Stephen,
I'm going through the same sort of grueling exercise in comparing tractors, with the B7500 and B2410 the two Kubota candidates. I caught one typo in your summary - the B7500 has 21 hp total, instead of 24 hp. Also, another note on the B7500 (v. B2410) - I believe that the mid/rear PTOs are not independent of one another on the B7500, but are independent on the B2410. A general note too about the weights - I would use your numbers for comparison between Kubotas, but would not trust the absolute numbers. I think there is a lot of speculation that these numbers do not include tire and wheel weight (pretty bizarre). Looking at the weight of an NH TC21D (1535 lb) seems to indicate that the Kubota quoted weights are 'light' by 200 lb or so. Others can comment on this if they like.
I'm going through the same sort of grueling exercise in comparing tractors, with the B7500 and B2410 the two Kubota candidates. I caught one typo in your summary - the B7500 has 21 hp total, instead of 24 hp. Also, another note on the B7500 (v. B2410) - I believe that the mid/rear PTOs are not independent of one another on the B7500, but are independent on the B2410. A general note too about the weights - I would use your numbers for comparison between Kubotas, but would not trust the absolute numbers. I think there is a lot of speculation that these numbers do not include tire and wheel weight (pretty bizarre). Looking at the weight of an NH TC21D (1535 lb) seems to indicate that the Kubota quoted weights are 'light' by 200 lb or so. Others can comment on this if they like.