§428.APPENDIX A. Tire Size Designations and Types

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
	5.22R12	through	5.60R12
	5.00R13	"	7.25R13
	5.20R14	"	7.50R14
	5.60R15	"	7.60R15
	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".