10-2
© Copyright Mahindra and Mahindra Ltd.062016
185 85 R
16 105 Q
A
B
C
D
E
F
U52M07
Tire size (example: 185/85 R16 105Q)
(A):185 (Three-digit number):
This number gives the width in
millimeters of the tire from sidewall edge to sidewall edge. This is
called as “Section Width”.
(B):85 (Two-digit number):
This number, known as the aspect ratio,
gives the tires ratio of height to section width.
(C): R:
This is the Tire Construction Code. The “R” stands for Radial.
(D):16 (Two-digit number):
This number is the wheel or rim diameter
in inches.
(E):105 (Two or three digit number):
This number is the tires load
index. It is a measurement of how much weight each tire can
support.
(F): Q:
Tire speed rating or speed symbol. Never drive the vehicle
faster than the tire speed rating. The speed rating denotes the
speed at which a tire is designed to be driven for extended periods
of time under a standard condition of load and inflation pressure. S
denotes a speed rating of 180 km/hr.
Speed Rating
SPEED SYMBOL
MAX SPEED
CAPABILITY
SPEED SYMBOL
MAX SPEED
CAPABILITY
KM/HR
KM/HR
L
120
T
190
M
130
U
200
N
140
H
210
P
150
V
240
Q
160
W
270
R
170
Y
300
S
180
Z
240+
WHEELS AND TIRES