2013 Ford F350 Super Duty Super Cab Owner Manual Printing 3 - Page 350

2013 Ford F350 Super Duty Super Cab Manual

Page 350 highlights

Wheels and Tires 349 F. 95: Indicates the tire's load index. It is an index that relates to how much weight a tire can carry. You may find this information in your owner's manual. If not, contact a local tire dealer. Note: You may not find this information on all tires because it is not required by federal law. G. H: Indicates the tire's 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. The tires on your vehicle may operate at different conditions for load and inflation pressure. These speed ratings may need to be adjusted for the difference in conditions. The ratings range from 81 mph (130 km/h) to 186 mph (299 km/h). These ratings are listed in the following chart. Note: You may not find this information on all tires because it is not required by federal law. Letter rating Speed rating - mph (km/h) M 81 (130) N 87 (140) Q 99 (159) R 106 (171) S 112 (180) T 118 (190) U 124 (200) H 130 (210) V 149 (240) W 168 (270) Y 186 (299 ) Note: For tires with a maximum speed capability over 149 mph (240 km/h), tire manufacturers sometimes use the letters ZR. For those with a maximum speed capability over 186 mph (299 km/h), tire manufacturers always use the letters ZR. H. U.S. DOT Tire Identification Number (TIN): This begins with the letters DOT and indicates that the tire meets all federal standards. The next two numbers or letters are the plant code designating where it was manufactured, the next two are the tire size code and the last four numbers represent the week and year the tire was built. For example, the numbers 317 mean the 31st week of 1997. After 2000 the numbers go to four digits. For example, 2501 means the 25th week of 2001. The numbers in between are identification codes used for traceability. This information is used to contact customers if a tire defect requires a recall. 2013 F-250/350/450/550 (f23) Owners Guide gf, 3rd Printing, December 2012 USA (fus)

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F.
95:
Indicates the tire’s load index. It is an index that relates to how
much weight a tire can carry. You may find this information in your
owner’s manual. If not, contact a local tire dealer.
Note:
You may not find this information on all tires because it is not
required by federal law.
G.
H:
Indicates the tire’s 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. The tires
on your vehicle may operate at different conditions for load and inflation
pressure. These speed ratings may need to be adjusted for the difference
in conditions. The ratings range from 81 mph (130 km/h) to 186 mph
(299 km/h). These ratings are listed in the following chart.
Note:
You may not find this information on all tires because it is not
required by federal law.
Letter rating
Speed rating - mph (km/h)
M
81 (130)
N
87 (140)
Q
99 (159)
R
106 (171)
S
112 (180)
T
118 (190)
U
124 (200)
H
130 (210)
V
149 (240)
W
168 (270)
Y
186 (299 )
Note:
For tires with a maximum speed capability over 149 mph
(240 km/h), tire manufacturers sometimes use the letters ZR.
For those with a maximum speed capability over 186 mph (299 km/h),
tire manufacturers always use the letters ZR.
H.
U.S. DOT Tire Identification Number (TIN):
This begins with
the letters DOT and indicates that the tire meets all federal standards.
The next two numbers or letters are the plant code designating where it
was manufactured, the next two are the tire size code and the last four
numbers represent the week and year the tire was built. For example, the
numbers 317 mean the 31st week of 1997. After 2000 the numbers go to
four digits. For example, 2501 means the 25th week of 2001. The numbers
in between are identification codes used for traceability. This information is
used to contact customers if a tire defect requires a recall.
Wheels and Tires
349
2013 F-250/350/450/550
(f23)
Owners Guide gf, 3rd Printing, December 2012
USA
(fus)