I currently own a X485 AWS tractor which I traded in a 425 AWS tractor that I had for 7 years. I believe at the time I owned the 425 AWS there was a 300 series tractor available with AWS but won't swear to it. AWS reduces the amount of trimming I have to do and really makes a difference with the 46" snowthrower that I had on both tractors. One drawback of AWS is JD does not offer a front end loader if that is important to you which is to many.
The spin steer JD is worthy of consideration if you don't have to traverse more than a 10% grade which I have to just the mow the lawn. For flatlanders, it's a whole lot cheaper than my rig so good suggestion.
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