Craftsman 123.24201 - Manual (Page 32)

federal standards, The next hvo numbers or letters are the plant code where it was
manufactured, and the last four numbers represent the week and year the tire was
built. For example, the numbers 3197 means the 31 st week of 1997- The other
numbers are marketing codes used at the manufacturer’s discretion. This
information is used to contact consumers ifa tire defect requires a recall
Tire Ply Composition and Materials Used
The number of plies indicates the number of layers of rubber-coated fabric in the
tire. In general, the greater the number of pHes, the more weiglit a tire can support
Tire manufacturers also must indicate the materials in the tire, which include steel,
nylon, polyester, and others,
MaxiiiHun Load Rating; This number indicates the maximum load in kilograms
and pounds that can be carried by the tire,
Maxinxusn Permissible Inflation Pressure: This number is the greatest amount
of air pressure iliat should ever be pul in the tire under nonnal driving conditions
6.4J0.2 UTQGS Information
Tread-wear Number: This number indicates the tire’s wear rate. The highet' the
tread-wear number is, the longer it should take for the tread to wear down. For
example, a tire graded 400 should last twice as long as a tire graded ,200
Traction Letter: This fetter indicates a tire’s ability to stop on wet pavement, A
higher graded tire should allow you to stop your car on wet roads in a shorter
distance than a tire with a lower grade Traction is graded from highest to lowest as
“AA’V’A”, “B”, and “C”
Temperature Letter: This tetter indicates a tire’s resistance to heat The
temperature grade is for a tire that is inflated properly and not over loaded
Excessive speed, under inflation or excessive loading, either separately or in
combination, can cause heat build-up and possible tire failure. From highest to
lowest, a tire’s resistance to heat is graded as “A”, “B”, or “C”.
6,4.10.3. Additional Information on Light Truck Tires
Please refer to the following diagram:
Load
l ight truck lire
Mtiximura iond
iniiaiion when
iiscif iw a dual
Severe .snow
conditions
Maxifflifm load
& hiüalîon when
used a.s a single
Load inltiition
limits
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