Ever heard of a jd 547?

Has anyone heard or know much about a John Deere 547? I can’t find hardly any info on them as far as people talking about them online. Pretty strange being a JD machine. Here’s what I am looking at....

https://www.tractorhouse.com/listings/farm-equipment/for-sale/33117747/2001-john-deere-547

Ever heard of a jd 547?