Tire Combinations Tables
Rear Tire Group Sizes
Minimum Recommended Row Width in Inches
20
22
26
30
32
40+
Tire Selection Width
Group Size
320 mm (12.4 in)
380 mm (14.9 in.).
420 mm (16.9 in.)
480 mm (18.4 in.)
520 mm (20.8 in.)
620 mm (24.5 in.)
710 mm (28.in.)
800 mm (30.5 in.)
900 mm (35.4 in.)
48
480/80R50
520/85R46
620/70R46
650/85R38
710/70R42
800/70R38
47
320/90R54
380/90R50
18.4R46
480/80R46
20.8R42 520/85R42
620/70R42
650/65R42
710/70R38
900/50R42
46
320/90R50
420/80R46
18.4R42 480/80R42
20.8R38
520/85R38
Front Tire Group Sizes
Minimum Recommended Row Width in Inches
20
22
26
30
32
40+
Tire Selection Width
Group Size
290 mm (11.2 in)
320 mm (12.4 in)
380 mm (14.9 in.).
420 mm (16.9 in.)
480 mm (18.4 in.)
520 mm (20.8 in.)
620 mm (23.1 in.)
43
380/80R38
420/85R34
480/70R34
540/65R34
600/70R30
42
290/90R38
320/85R38
14.9R34 380/85R34
16.9R30
420/90R30
480/70R30
600/65R28
41
290/95R34
320/85R34
14.9R30
380/85R30
16.9R28
420/85R28
480/70R28
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