I think that your attention when reading that old thread should largely be paid to Ken's comment that Bobcat randomly numbers machines with no rhyme or reason....Still dont know entirely why my 825 was named that way. It is an old girl, but I was actually bragging about it the other day. Nothin electrical to go wrong, no safety features, works great around the acreage. Good luck and hope the numbers on your machine make sense though.Here is a post where this was discussed.
http://www.skidsteerforum.com/DesktopDefault.aspx?tabid=54&frmView=ShowPost&PostID=17495
You can also go to the Bobcat historical specifications webpage here and see sizes, HP and capacity.
http://www.bobcat.com/historical_specs/skid_steer