Ford Super Duty Owner's Manual page 350
2013
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Also See for Super Duty:
- Owner's manual (580 pages) ,
- Quick reference manual (2 pages) ,
- Owner's manual (563 pages)
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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
M
N
Q
R
S
T
U
H
V
W
Y
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)
Wheels and Tires
Speed rating - mph (km/h)
349
81 (130)
87 (140)
99 (159)
106 (171)
112 (180)
118 (190)
124 (200)
130 (210)
149 (240)
168 (270)
186 (299 )
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