MIL-T-62097 Truck, Motor Home Shell, For Customization Into Mobile Laboratory, Electronics Van, Work Area, Etc., 14,000 Pounds Gvw, 4X2, Modified CommercialThis specification covers diesel and gasoline engine driven four-wheel, two-rear wheel drive, forward control motor home shells, having a minimum gross vehicle weight GVW of 14,000 pounds, for normal operating conditions. The vehicle has an integral drivers compartment and body for later installation of such special equipment as may be desired. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in procurement documents.

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MIL-T-62097C

* 3.4.28.1 Engine coolant. The engine coolant shall be a solution of ethylene glycol antifreeze and water or propylene glycol antifreeze and water, in equal parts of antifreeze and water by volume. Ethylene glycol antifreeze shall conform to ASTM D4985 with not more than

250 parts per million silicates. Propylene glycol antifreeze shall be in the specific formulation

approved by the engine and cooling system manufacturers. When specified (see 6.2), the percentage of antifreeze in the cooling system shall be increased to provide protection against freezing down to -65°F.

* 3.5 Body. The body shall be built on a forward control chassis and shall have an integral driver's compartment and enclosed body. An upholstered, bucket type driver's seat with pedestal shall be furnished. The seat shall be adjustable fore and aft and for height. The driver's seat pedestal shall be provided with a positive locking mechanism to secure the seat in place when in use. Body mounting shall be in accordance with the latest edition of the chassis manufacturer's body builders layout. The body shall be the manufacturer's standard model size unit utilizing a minimum 178 inch wheelbase (see 3.2.7). When specified (see 6.2), the body shall be

customized in reference to model, size, construction, stowage compartments, and other like

features.

* 3.5.1 Construction. The vehicle shall be manufactured in accordance with the highest standards of the industry. The body shall be custom built as specified. The body design shall effectively exclude engine fumes and exhaust gases from the interior and shall provide safe and comfortable transportation for passengers and the driver. The vehicle body shall provide a comfortable environment for working personnel for extended periods. The body structure shall be capable of resisting all generally and locally applied loads resulting from normal intended usage including low speed cross country travel, without excessive deflections, cracking, permanent deformation, loosening of joints, or premature fatigue failure. Where aluminum and steel surfaces come into contact, effective means shall be provided to prevent electrolytic action. All equipment and furnishings shall be secured to withstand mobile vehicle operations.

* 3.5.1.1 Structural framing. The body wall, floor and roof shall be of semi-monocoque construction; or the framing shall be 1-1/2 inch aluminum extrusions of nominal 0.125 inch thickness or not less than 1-1/2 inches square tubular aluminum or not less than 1-1/4 inches square tubular high tensile steel. Corners, window frames and door frames shall be reinforced and gusseted to prevent structural distortion. Wood shall not be used for any primary structural framing.

* 3.5.1.2 Structural floor framing. Floor crossmembers shall be adequately sized to support the body and payload without fracture or failure under all combinations of expected loading and shall conform to Federal Motor Carrier Safety Regulation 393.84. Additional crossmembers shall be provided, if required, to support floor loads in critical stress areas.