Specifications
18 of 104
INTERIOR CAB INSULATION Bidder Complies: Yes ( ) No ( )
The cab walls, ceiling and engine tunnel shall be insulated in all strategic locations to maximize acoustic
absorption and thermal insulation. The cab shall be insulated with 2.00" insulation in the rear wall,
3.00" insulation in the side walls, and 1.50" insulation in the ceiling.
ENGINE TUNNEL Bidder Complies: Yes ( ) No ( )
To provide structural strength, the engine tunnel sidewalls shall be constructed of .50" aluminum plate
that is welded to both the .25" firewall and .38" heavy wall extrusion under the crew cab floor. To
maximize occupant space, the top edges shall be tapered.
The engine tunnel shall be insulated on both sides for thermal and acoustic absorption. The underside
of the tunnel shall be covered with 1.00" thick polyether foam that is reinforced with an aluminized
face. Thermal rating for this insulation shall be -40 degrees Fahrenheit to 300 degrees
Fahrenheit. The insulation shall keep noise (dBA) levels at or lower than the specifications in the
current edition of the NFPA 1901 standards.
FENDER LINERS Bidder Complies: Yes ( ) No ( )
Full-circular, aluminum, inner fender liners in the wheel wells shall be provided.
PANORAMIC WINDSHIELD Bidder Complies: Yes ( ) No ( )
A one (1)-piece, safety glass windshield with more than 2,802 square inches of clear viewing area shall
be provided. The windshield shall be full width and shall provide the occupants with a panoramic
view. The windshield shall consist of three (3) layers: the outer light, the middle safety laminate, and
the inner light. The .114" thick outer light layer shall provide superior chip resistance. The middle
safety laminate layer shall prevent the windshield glass pieces from detaching in the event of
breakage. The inner light shall provide yet another chip resistant layer. The cab windshield shall be
bonded to the aluminum windshield frame using a urethane adhesive. A custom frit pattern shall be
applied on the outside perimeter of the windshield for a finished automotive appearance.
SUNVISORS Bidder Complies: Yes ( ) No ( )
Two (2) smoked Lexan sunvisors 7.75" x 28.12" long shall be provided. The sunvisors shall be located
above the windshield with one (1) mounted on each side of the cab.
WINDSHIELD WIPERS Bidder Complies: Yes ( ) No ( )
Three (3) electric windshield wipers with a washer, in conformance with FMVSS and SAE requirements,
shall be provided. The wiper blades shall be 21.65" long and together shall clear a minimum of 1,783
square inches of the windshield for maximum visibility in inclement weather.
The windshield washer fluid reservoir shall be located at the front of the vehicle and be accessible
through the access hood for simple maintenance.
FAST SERVICE ACCESS FRONT TILT HOOD Bidder Complies: Yes ( ) No ( )
A full-width access hood shall be provided for convenient access to engine coolant, steering fluid, wiper
fluid, cab lift controls, headlight power modules, and ember separator. The hood shall also provide
complete access to the windshield wiper motor and components. The hood shall be contoured to
provide a sleek, automotive appearance. The hood shall be constructed of two (2) fiberglass panels
bonded together and shall include reinforcing ribs for structural integrity. The hood shall include air
cylinders to hold the hood in open and closed positions, and a heavy duty latch system that shall meet
FMVSS 113 (Hood Latch System). The spring-loaded hood latch shall be located at the center of the
hood with a double-action release lever located behind the upper grill. The two (2)-step release
requires the lever first be pulled to the driver side until the hood releases from the first latch (primary
latch) then to the passenger side to fully release the hood (secondary latch).
CAB REAR WALL EXTERIOR COVERING Bidder Complies: Yes ( ) No ( )
The exterior surface of the rear wall of the cab shall be overlaid with bright aluminum treadplate
except for areas that are not typically visible when the cab is lowered.