Illinois Administrative Code › Title 92 - TRANSPORTATION › Part 428 - UNSAFE OPERATING CONDITIONS OF PASSENGER CAR TIRES › Appendix A - Tire Size Designations and Types

Current through Register Vol. 48, No. 28, July 12, 2024
The purpose of this Appendix is to show the tire size
				designations and types listed in Federal Motor Vehicle Safety Standard 109 (
				49 CFR
				571.109 ), as amended. This Appendix lists,
				under each type of tire, the size designation of the smallest and the largest
				tire for each rim size shown in Standard 109 under that type of tire. All
				similar intermediate size designations for each rim size listed herein under
				each tire type are considered to be included. (Note: The rim size is the two
				digit number, such "13" of "16", at the end of each tire size
				designation.)
A)
Conventional and Low Section Height Bias Ply
						  Tires:
6.00 -13
through
7.00 -13
6.00-14
"
9.50 -14
6.00-15
"
9.15 -15, plus L84-15
6.00-16
"
7.50 -16
6.50
						  -17
"
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash."
B)
"70 Series" Bias Ply Tires:
A70-13
through
D70-13
D70-14
"
L70-14
C70-15
"
L70-15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
C)
Bias Ply Tires:
"Super Balloon" Sizes
4.80 -10
through
5.90
						  -10
5.20
						  -12
"
6.20
						  -12
5.20-13
"
6.90
						  -13
5.20-14
"
6.45 -14
7.20 -15
"
6.40
						  -15
"Low Section" Sizes
5.00 -12
through
6.00-12
5.00-13
"
7.50-13
5.50
						  -15L
"
7.00-15L
"Super Low Section"
Sizes
145-10/5.95-10
125-12/5.35-12
through
155-12/6.15-12
135-13/5.65-13
"
185-13/7.35-13
135-14/5.65-14
"
155-14/6.15-14
165-14
"
255-14
125-15/5.35-15
"
175-15/7.15-15
165-15
"
235-15
5.0 -15
"
5.5 -15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
D)
Dash ( - ) Radial Ply Tires:
145-10
125-12
through
155-12
135-13
"
195-13
135-14
"
225-14
125-15
"
240-15
185-16
165-400
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
E)
"77 Series" Bias Play Tires:
5.9-10
5.9-12
through
6.2 -12
6.2-13
"
6.9 -13
G77-14
6.2-15
through
6.9-15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
F)
Type "R" Radial Ply Tires:
5.20R10
5.22 R12
through
5.60
						  R12
5.00R13
"
7.25 R13
5.20R14
"
7.50R14
5.60R15
"
7.60 R15
The letter "H", "S" or "V" may be included in any
						  specified tire size designation adjacent to the "R".
G)
"70 Series" Type "R" Radial Ply Tires:
AR70-13
through
DR70-13
CR70-14
"
LR70-14
DR70-15
"
MR70-15
The letters "HR", "SR", or "VR" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
H)
Type "R" Radial Ply Tires:
145R10
125R12
through
155R12
135R13
"
195R13
135R14
"
225R14
125R15
"
235-R15
The letter "H", "S" or "V" may be included in any
						  specified tire size designation adjacent to the "R".
J)
"78 Series" Bias Ply Tires:
A78-13
through
D78-13
B78-14
"
J78-14
A78-15
"
N78-15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
K)
"60 Series" Bias Ply Tires:
A60-13
through
D60-13
D60-14
"
L60-14
D60-15
"
L60-15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
L)
Series 50 Cantilevered Sidewall Tires:
E50C-16
through
F50C-16
G50C-17
"
H50C-17
L50C-18
The letters "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
M)
"78 Series" Radial Ply Tires:
AR78-13
through
CR78-13
BR78-14
"
JR78-14
AR78-15
"
LR78-15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to the "R".
O)
"Low Section" Type "R" Radial Ply Tires:
140R12
through
150R12
150R13
"
170R13
150R14
180r15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to the letter "R".
P)
Series 45 Cantilevered Sidewall Tires:
F45C-16
The letter "H", "S, or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
R)
"60 Series" Radial Ply Tires:
AR60-13
through
ER60-13
FR60-14
"
GR60-14
ER60-15
"
LR60-15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
S)
"60 Series" Radial Ply Tires:
185/60 R 13
205/60 R 14
through
245/60 R 14
255/60 R 15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to the "R".
T)
"70 Series" Radial Ply Tires:
205/70 R 13
205/70 R 14
through
225/70 R 14
195/70 R 15
"
255/70 R 15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to the letter "R".
U)
"60 Series" Cantilevered Tires:
C60C-15
The letter "H", "S", or "V" may be included in any
						  specified tire size designation adjacent to or in place of the "dash".
V)
Series "50" Bias Ply Tires:
H50-14
The letter "H", "S", or "V" may be included in any
						  specified tire size designations adjacent to or in place of the "dash".