2012 TOYOTA TUNDRA tire type

685
6-1. Specifications
6
Vehicle specifications
Tire infor mation
Typical tire symbols
Tire size( P. 687)
DOT and Tire Identification Number (TIN) ( P. 686)
Location of treadwear indicators ( P. 557)
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the
strands which form the plies in a tire.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Load limit at maximum cold tire inflation pressure ( P. 690)
Maximum cold tire inflation pressure ( P. 690)
This means the pressure to which a tire may be inflated.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly filled in the
tire. A tube type tire has a tube inside the tire and the tube main-
tains the air pressure.

686 6-1. Specifications
Typical DOT and tire identification number (TIN)DOT symbol
*
Tire Identification Number
(TIN)
Tire manufacturer’s identifica-
tion mark
Tire size code
Manufacturer’s optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*:The DOT symbol certifies thatthe tire conforms to applicable
Federal Motor Vehicle Safety
Standards.
Radial tires or bias-ply tires
A radial tire has RADIAL on the sidewall. A tire not marked RADIAL
is a bias-ply tire.
Summer tire or all season tire ( P. 560)
An all season tire has M+S on the sidewall. A tire not marked M+S
is a summer tire.

691
6-1. Specifications
6
Vehicle specifications
Occupant distributionDistribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight
The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube
assembly upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a
rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity)The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicle’s designated seating
capacity
Vehicle maximum load
on the tire
The load on an individual tire that is determined
by distributing to each axle its share of the
maximum loaded vehicle weight, and dividing
by two
Vehicle normal load
on the tire
The load on an individual tire that is determined
by distributing to each axle its share of curb
weight, accessory weight, and normal occu-
pant weight (distributed in accordance with
Ta b l e 1
* below), and dividing by two
Weather sideThe surface area of the rim not covered by the
inflated tire
Tire related termMeaning

744
GAS STATION INFORMATION
Auxiliary catch leverP. 542Fuel filler doorP. 1 1 0
Tire inflation pressure
P. 678
Hood lock release lever P. 542
Fuel tank capacity
(Reference) 26.4 gal. (100.0
L, 22.0 lmp.gal.)
Fuel typeP. 671
Cold tire inflation
pressure P. 6 7 8
Engine oil
capacity
(Drain and refill
- reference)
4.0L V6
(1GR-FE)
engineqt. (L, Imp.qt.)
With filter 6.4 (6.1, 5.4)
Without filter 5.9 (5.6, 4.9)
4.6L V8
(1UR-FE)
and 5.7L V8
(3UR-FE,
3UR-FBE)
engines qt. (L, Imp.qt.)
With filter 7.9 (7.5, 6.6)
Without filter 7.4 (7.1, 6.2)
Engine oil typeP. 671