John Deere D170 54”. It’s from 2014 and has a little over 300 hrs on it. Change the oil every season. I do have to add a little top of oil occasionally. Had to put a new spindle on it 2 years ago because I hit something. Changed all 3 when I had to replace the one. Had the drive belt replaced last year as a preventative measure. I think it’s on its 3rd deck belt. Keep a new one hanging in the shed just in case.