TIRE SPEED-RATING SYSTEM
LOAD INDEX

SPEED RATING SYMBOL LOAD INDEX & LOAD IN LBS.
|
RATING SYMBOL |
SPEED (KM/H) |
SPEED MPH |
|
LOAD INDEX |
LOAD (LBS)* |
LOAD INDEX |
LOAD (LBS)* |
|
B |
50 |
31 |
|
65 |
639 |
85 |
1135 |
|
C |
60 |
37 |
|
66 |
661 |
86 |
1168 |
|
D |
65 |
40 |
|
67 |
677 |
87 |
1201 |
|
E |
70 |
43 |
|
68 |
694 |
88 |
1235 |
|
F |
80 |
50 |
|
69 |
716 |
89 |
1279 |
|
G |
90 |
56 |
|
70 |
739 |
90 |
1323 |
|
J |
100 |
62 |
|
71 |
761 |
91 |
1356 |
|
K |
110 |
68 |
|
72 |
783 |
92 |
1389 |
|
L |
120 |
75 |
|
73 |
805 |
93 |
1433 |
|
M |
130 |
81 |
|
74 |
827 |
94 |
1477 |
|
N |
140 |
87 |
|
75 |
852 |
95 |
1521 |
|
P |
150 |
94 |
|
76 |
882 |
96 |
1565 |
|
Q |
160 |
100 |
|
77 |
908 |
97 |
1609 |
|
R |
170 |
106 |
|
78 |
937 |
98 |
1653 |
|
S |
180 |
112 |
|
79 |
963 |
99 |
1709 |
|
T |
190 |
118 |
|
80 |
992 |
100 |
1764 |
|
U |
200 |
124 |
|
81 |
1019 |
101 |
1819 |
|
H |
210 |
130 |
|
82 |
1047 |
102 |
1874 |
|
V |
240 |
149 |
|
83 |
1074 |
103 |
1929 |
|
*Z |
Over 240 |
Over 149 |
|
84 |
1102 |
104 |
1984 |
Note: Consult the manufacture for maximum speed. The rating system shown above indicates the top speed for which a tire is certified. It does not indicate the total performance capability of a tire.
*One pound is equal to .4536 kg. The load index is an assigned number that corresponds with the load-carrying capacity of a tire. Most passenger car tire load indexes range from 75 to 100 but a few carry more.