ART
AIR RELEASE TAILGATE
End caps shall be placed so as not to
When code ART is specified, the
interfere with operation of tailgate in any
dump body tailgate bottom latch
manner. Support and end cap shall be a
shall be air released.
minimum of 6.35 mm (.25 in) thick, 50,000
psi yield strength material and be welded
ARW1
EXTRA HEAVY DUTY FIFTH
to the extension as well as the body.
WHEEL
Truck rear axle brake chambers shall be
positioned so that interference with
When code ARW1 is specified,
spreading machine is not encountered
the truck tractor shall be
when truck is dumping into the hopper of
equipped with an extra HD sliding
a spreading machine.
fifth wheel. The fifth wheel shall
have a rated capacity of not less
than 70,000 lb. vertical load and
200,000 lb. draw bar.
AS14
14,000 LB. GAWR FRONT
AERO AERODYNAMIC PACKAGE
SUSPENSION
When code AERO is specified,
When code AS14 is specified, a
manufacturer's
standard
front suspension with a minimum
aerodynamic package, including
GAWR of 6350 kg (14,000 lb)
as a minimum an aerodynamically
shall be provided.
faired cab, fenders, bumper
combination, and side cab
extenders, shall be provided.
AS16
16,000 LB. GAWR FRONT
SUSPENSION
When code AS16 is specified, a
AICE
CHAINS-TIRE-AUTOMATIC
front suspension with a minimum
When code AICE is specified,
GAWR of 7256 kg (16,000 lb)
the vehicle shall be equipped
shall be provided.
with automatic tire chains on the
rear axle. The chains shall be
permanently mounted to the rear
AS18
18,000 LB. GAWR FRONT
SUSPENSION
suspension. Controls to engage
and disengage the chains shall
When code AS18 is specified a
be located in the cab, and be
front suspension with a
easily accessible to the seated
minimum GAWR of 8163 kg
driver. Activation of the chains
(18,000 lb) shall be provided.
shall be accomplished without
stopping the vehicle, to enhance
AS20
20,000 LB. GAWR FRONT
braking and traction in forward
SUSPENSION
and reverse speeds.
When
When code AS20 is specified, a
activated the chains shall
front suspension with a minimum
provide improved traction under
GAWR of 9070 kg (20,000 lb)
tires
on
the
rear
axle.
shall be provided.
Installation of the chains shall be
in
accordance
with
the
application requirements of the
manufacturer of the automatic
tire chains.
Federal Standard 807M
Page 29 of 65
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