Tread Widths-Singles or Duals

Approximate tread ranges for each tire size are shown in the following chart:

IMPORTANT: Use of clamp-on dual wheels is not allowed. A separate hub is required for each dual or triple tire.

NOTE: See Observing Tread Width Limitations in this section.

TREAD WIDTH-SINGLE WHEELS
 
  Inner Tire Range  
Tire Size (Minimum-Maximum)  
     
710/70R38 1782-2477 mm (70.2-97.5 in.)  
710/70R42 1782-2477 mm (70.2-97.5 in.)  
800/70R38 1876-2630 mm (73.9-103.5 in.)  
 
TREAD WIDTH-DUAL WHEELS
 
  Inner Tire Range Outer Range
Tire Size (Minimum-Maximum) (Minimum-Maximum)
     
18.4R46 Cast/Steel 1530-1910 mm (60.0-75.2 in.) 2968-3348 mm (116.9-131.8 in.)
480/80R46 Cast/Steel 1530-1910 mm (60.0-75.2 in.) 2968-3348 mm (116.9-131.8 in.)
480/80R50 Cast/Steel 1530-1910 mm (60.0-75.2 in.) 2968-3348 mm (116.9-131.8 in.)
20.8R42 Cast/Steel 1600-2063 mm (63.0-81.2 in.) 2987-3450 mm (117.6-135.8 in.)
520/85R42 Cast/Steel 1600-2063 mm (63.0-81.2 in.) 2987-3450 mm (117.6-135.8 in.)
520/85R46 Cast/Steel 1600-2063 mm (63.0-81.2 in.) 2987-3450 mm (117.6-135.8 in.)
620/70R42 Cast/Steel 1689-2063 mm (66.5-81.2 in.) 3240-3615 mm (127.6-142.3 in.)
620/70R46 Cast/Steel 1689-2063 mm (66.5-81.2 in.) 3240-3615 mm (127.6-142.3 in.)
710/70R38 Cast/Steel 1782-1935 mm (70.2-76.2 in.) 3471-3624 mm (136.7-142.7 in.)
710/70R42 Cast/Steel 1782-2002 mm (70.2-78.8 in.) 3471-3691 mm (136.7-145.3 in.)
800/70R38 Cast/Steel 1876-2188 mm (73.9-86 in.) 3763-4077 mm (148-160.5 in.)

 

RW29387,00002D5 -19-03MAY07-1/1