Tire Group Sizes

	Tire Group Sizes
Tire Section Width
Group Size	480 mm (18.4 in.)	520 mm (20.8 in.)	620 mm (24.5 in.)	650 mm (25.6 in.)	710 mm (28 in.)	800 mm (30.5 in.)
47	480/80R46	20.8R42 520/85R42	620/70R42		710/70R38 IF710/70R38
48	480/80R50 IF480/80R50	520/85R46	620/70R46	650/85R38 IF650/85R38	710/70R42 IF 710/70R42	800/70R38 IF 800/70R38