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SPEED
SYMBOLS
SPEED
(km/h)
SPEED
(mph)
A152.5
A2105
A31510
A42012.5
A52515
A63020
A73522.5
A84025
B5030
C6035
D6540
E7043
F8050
G9055
SPEED SYMBOLS
The speed symbol determines
the maximum speed allowed for
the rated loads of the tire. From
the table above, A8 means the
maximum speed allowed for the
rated load of the tire is 40 km/h
or 25 mph.
NEAREST
CONVENTIONAL
TIRE SIZE
METRIC
TIRE SIZE
14.9R28380/85R28
14.9R30380/85R30
14.9R34380/85R34
14.9R46380/90R46
16.9R28420/85R28
16.9R30420/90R30
18.4R34480/85R34
18.4R38480/80R38
18.4R42480/80R42
18.4R46480/80R46
20.8R38520/85R38
20.8R42520/85R42
EQUIVALENT LOAD DESIGNATIONS
SIZESYMBOLPLY RATINGLOAD INDEX
13.6R28
H H H
8PR126 A8/B
14.9R28
H H H
10PR133 A8/B
14.9R30
H H H
10PR134 A8/B
14.9R34
H H H
10PR136 A8/B
14.9R46
H H H
10PR142 A8/B
16.9R24
H H
8 & 10PR134 A8/B
16.9R26
H H
8 & 10PR135 A8/B
16.9R28
H H
8 & 10PR136 A8/B
16.9R30
H H
8 & 10PR137 A8/B
16.9R38
H
8PR141 A8/B
18.4R26
H H
8 & 10PR140 A8/B
18.4R34
H
6 & 8PR139 A8/B
18.4R38
H
6 & 8PR141 A8/B
18.4R38
H H
10PR146 A8/B
18.4R42
H H
10PR148 A8/B
18.4R46
H H H
12PR155 A8/B
20.8R34
H
8PR145 A8/B
20.8R38
H
8PR147 A8/B
20.8R38
H H
10PR153 A8/B
20.8R42
H H
10PR155 A8/B
24.5R32
H
10PR154 A8/B
STAR RATINGS
All conventional sized radials for agricultural applications are marked
with the star ratings. This specifies the maximum load rating for