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6-1. Specifications
GS_G_U
March 29, 201
0 3:11 pm
*: Table 1 ⎯ Occupant loading and distribution for vehicle normal load for
various designated seating capacities
Tire related term Meaning
Te s t r im
The rim on which a tire is fitted for testing, and may be
any rim listed as appropriate for use with that tire
Tre a d
That portion of a tire that comes into contact with the
road
Tre a d r i b
A tread section running circumferentially around a
tire
Tre a d s e p a r a t i o n Pulling away of the tread from the tire carcass
Treadwear indicators
(TWI)
The projections within the principal grooves
designed to give a visual indication of the degrees of
wear of the tread
Wheel-holding fixture
The fixture used to hold the wheel and tire assembly
securely during testing
Designated seating
capacity, Number of
occupants
Vehicle normal load,
Number of occupants
Occupant distribution in
a normally loaded vehicle
2 through 4 2 2 in front
5 through 10 3 2 in front, 1 in second seat
11 through 15 5
2 in front, 1 in second
seat, 1 in third seat, 1 in
fourth seat
16 through 20 7
2 in front, 2 in second
seat, 2 in third seat, 1 in
fourth seat
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