hi all, getting ready to grease my '16 kodiack for the first time..before i head out to the hardware store, is there a certain gun or zirk fittings i should i ask for?? are they all pretty universal? m hoping to by one gun to use for all my machinery (i.e tractor, kids ride, etc)..also,. how many zirks shoud i expect to find on a kodiack?