There are many pieces of data that go into a thorough and meaningful decision matrix, but a sample size of one from a random member on a forum just isn't one of them, or at least shouldn't be. Luckily we all have access to someone who actually has experience with a significant sample size. Are you going to jump out of a plane at 33,000 ft without a parachute because Vesna Vulović tells you that she survived the experience?Bingo, sample size of one or otherwise.
The OP already selected the F12/R12 before @whitetiger's response but now he can feel even more confident in his decision to spend $70k or more on a new tractor.