Jun 28, 2014 / John deere 300b burns oil #1 J John deere Chris New member Joined Jun 28, 2014 Messages 8 Location Ri Tractor 1980 john deere 300B I have a 1980 john deere 300b that buns oil. It is a 3 cylinder diesel..... Why is this so
Jun 30, 2014 / John deere 300b burns oil #2 Diamondpilot Super Star Member Joined Jan 18, 2007 Messages 16,316 Location Daleville, IN Tractor Jinma 254/284 Ford 861 Powermaster at work You need to do a compression check. My guess is valves or rings. Time for a rebuild. Chris