I had to re-do the oil pan gasket on a 1995 John Deere 5200 due to poor surface prep on the oil pan. Tractor has 4069 hours, this is a tractor I enjoy working on. It's 2WD so there's no driveshaft to pull. Had about 180 hours / 18 months on the oil.
All its life its had 15W-40, recently its...