Jaguar SEMCON JLR XJ - Manual (Page 176)

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(FM8) SEMCON JLR OWNER GUIDE VER 1.00 NAS
LANGUAGE: english-NAS-en; MARQUE: jaguar; MODEL: XJ
Tires
176
Tires TIRE MARKINGS
1. P indicates that the tire is for passenger
vehicle use.
2. The width of the tire from sidewall edge to
sidewall edge in millimetres.
3. The aspect ratio, also known as the profile,
gives the sidewall height as a percentage of
the tread width. So, if the tread width is 205
mm, and the aspect ratio is 50, the sidewall
height will be 102 mm.
4. R indicates that the tire is of Radial ply
construction.
5. The diameter of the wheel rim given in
inches.
6. The load index for the tire. This index is not
always shown.
7. The speed rating denotes the maximum
speed at which the tire should be used for
extended periods. See 177, SPEED
RATINGS.
8. US 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 where the tire was
manufactured, the last 4 numbers are the
date of manufacture. For example, if the
number was 3108, the tire was made in the
31st week of 2008. The other numbers are
marketing codes used at the
manufacturer’s discretion. This
information can be used to contact
consumers if a tire defect requires a recall.
9. M+S or M/S indicates that the tire has been
designed with some capability for mud and
snow.