Rev 07e – Harbor Freight Tools 92174 User Manual
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Page 16
SKU 92174
For technical questions, please call 1-800-444-3353.
Production options weight means- the combined weight of those installed regular production options
weighing over 2.3 kilograms in excess of those standard items which they replace, not previously con-
sidered in curb weight or accessory weight, including heavy duty brakes, ride levelers, roof rack, heavy
duty battery, and special trim.
Tread means- that portion of the tire that comes in contact with the road.
Tread separation means- pulling away of the tread from the carcass.
Vehicle capacity weight means- the rated cargo and luggage load plus 68 kilograms times the vehicle’s
designated seating capacity.
Vehicle maximum load on the tire means- that load on an individual tire that is determined by distribut-
ing to each axle its share of the maximum loaded vehicle weight and dividing by two.
Vehicle normal load on the tire means- that load on an individual tire that is determined by distributing
to each axle its share of the curb weight, accessory weight, and normal occupant weight and dividing
by 2.
Tire Markings
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Load index and
speed rating*
European tire
certificate*
u.s. dOT tire
identification
number
*Information not required by u.s. dOT
Inner diameter
in inches
section width
in inches
Trailer
tire
Maximum
load rating
Tire ply
composition
and materials
used
Maximum
permissible
inflation
pressure
section width- This number gives the width of the tire in inches. The larger the number, the wider the
tire. (The markings on the example tire diagram show 4.80. The markings on your tire may differ.)
Inner diameter- This number gives the inner diameter of the tire in inches. This is also the rim diameter
in inches. (The markings on the example tire diagram show 12. The markings on your tire may differ.)
u.s. dOT tire identification number- 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 it was manufactured, and
the last four numbers represent the week and year that the tire was built. For example, the numbers 2107
mean the 21st week of 2007. Any other numbers used are marketing codes used at the manufacturer’s
discretion. This information is used to contact consumers if a tire defect requires a recall.
Maximum Load Rating- This number indicates the maximum load in kilograms and pounds that can
be carried by the tire.
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REV 07e