determined with the sliding fifth wheel in
Environmental Protection Agency Noise
its most forward position of adjustment.
Emission Standards for Transportation
Equipment, Medium and Heavy Trucks.
3.2.9
RATINGS.
Vehicle
ratings
shall
be
the
3.2.4
CURB WEIGHT.
manufacturer's
published
ratings.
The curb weight is defined as the empty
Component and vehicular ratings shall not
weight (no payload included) of a fully
be raised to meet the requirement of this
equipped truck. Curb weight shall include
specification.
Minimum GVWR and
the chassis-cab, body or fifth wheel for
GCWR shall conform to Figure 1 for the
Type I chassis, all attached devices,
specified class of vehicle. All individual
equipment, and full complement of fuel,
components,
including
engine,
lubricants, and coolants.
transmission, driveline and drive axle,
3.2.5
GROSS VEHICLE WEIGHT.
shall have a minimum GCWR specified
The gross vehicle weight (GVW) shall
for each class.
consist of the curb weight, operator and
Figure 1
passenger weight (computed at 80 kg
GVWR and GCWR Minimums
(175 lb each) and a payload to provide not
VEHICLE
more than the specified GVWR.
CLASS GVWR, KG (LBS)
GCWR, KG (LBS)
C
9,500 (21,000)
13,650 (30,000)
D
11,500 (25,500)
19,500 (43,000)
3.2.6
SPECIFIED GAWR.
E
12,700 (28,000)
20,400 (45,000)
Class D, GVWR shall not exceed 11,800
F
14,500 (32,000)
24,950 (55,000)
kg (26,000 lb), without written approval of
G
15,900 (35,000)
27,200 (60,000)
customer agency. Except Type II tractors,
which are all subject to excise tax, Class
3.2.10
OVERALL WIDTH.
F, vehicles shall not exceed 15,000 kg
The overall width of the vehicle, exclusive
(33,000 lb) GVWR, without written
of tires, wheel nuts and safety related
approval of customer agency.
items such as mirror, lights, and reflectors
shall be not more than 2440 mm (96
3.2.7
GROSS COMBINATION WEIGHT.
inches). The width over the tires shall be
Gross combination weight (GCW) shall
not more than 2540 mm (100 inches).
consist of the truck or truck tractor curb
weight, operator and passenger weight
3.2.11
ACCESSIBILITY.
(computed at 80 kg (175 lb) each), and
The design of the vehicle and optional
the weight of a trailer loaded to provide
equipment shall permit access for routine
not less than the specified GCW. The fifth
servicing and shall permit access for
wheel shall be located so that with the
replacement
and
adjustment
of
truck tractor loaded to GVWR, the load
component parts and accessories with
rating of the chassis components are not
minimal disturbance of other components
exceeded.
and systems.
3.2.8
WEIGHT DISTRIBUTION.
3.2.12
RECOVERED MATERIALS /
Except as specified in option codes MPR
REGULATORY REQUIREMENTS.
and MPS, the distribution of GVW for the
In accordance with Section 23.403 of the
purpose of establishing suspension, axle
Federal Acquisition Regulations, the
and tire capacities shall be determined
Government's policy is to acquire items
with the payload uniformly distributed over
composed of the highest percentage of
the load area.
For Type II tractors
recovered
materials
practicable,
furnished with a sliding fifth wheel, option
consistent with maintaining a satisfactory
code ARW, the weight distribution shall be
level of competition without adversely
affecting performance requirements or
Page 13 of 79
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