Nov 13, 2015 / How to add Duals rear tire to Yanmar1610D #11 D davecharles Bronze Member Joined Nov 27, 2012 Messages 50 Location Carbondale IL Tractor Yanmar 2220D Yanmar 240D The rear rims from my 240D are 6 hole on 5.5"center. I hope that helps Yanmar 1610D. Dave