I have just purchased a JD 190e and want a recommendation on what grease gun to use to grease the tracks
A regular sized one will do just fine. You know...the one that uses tubes of grease about the size of a tube of bathroom caulk. I'd get one with a flexible hose as opposed to a fixed one. That way, you'll be able to get to the tough ones without having to maneuver the machine as much.
