15-inch: 15Ã8 with 4-1/2-inch backspacing front and rear. With some tires the rear shocks will have to be mounted inboard; if you do that, some combinations of 9-inch rear wheels will work with 5-1/2-inch backspacing. 16-inch: 16Ã8 with 4-1/2-inch backspacing front and rear.
Definition of turf for Students. 1  1 : the upper layer of soil bound into a thick mat by roots of grass and other plants. 2  2 : land covered with grass. 3  3 : an area that is or is felt to be under an individual's control Fluffy won't allow any other dogs on his turf.
Sod or turf is grass and the part of the soil beneath it held together by the roots, or a piece of thin material. In British English such material is more usually known as turf, and the word sod is limited mainly to agricultural senses (for example for turf when ploughed).