Posted 8/22/2018 05:49 (#6942970 - in reply to #6942828) Subject: RE: John Deere Track tractor reliability
The 30 series uses the same track system as the rt’s at least in the 9000 series. They have air ride as well. You do not want a 00-10-20 series they ride rough, but the 30 is much better. I would say between those two tractors it is up to your opinion of creature comforts vs emissions.