MIL-T-62223 Truck, Mobile Blood Donor And Component Laboratory, Tilt Cab, Diesel Or Gasoline Engine Driven, 24,000 Pounds Gvw, 4X2, CommercialThis specification covers a completely self-contained, mobile, self-propelled unit, designed to serve as a combination mobile blood component processing laboratory and three-bed donor facility. The vehicle shall be diesel or gasoline engine driven, four-wheel, two rear wheel drive, having minimum gross vehicle weight GVW of 24,000 pounds and shall be equipped with a tilt cab, a 30 kilowatt kW auxiliary generator and a 4 kW auxiliary generator. The body shall be fully air conditioned and heated. Vehicles procured under this specification are commercial items which shall be warranted by the manufacturer as specified in procurement documents.

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MIL-T-62223B(AT)

vehicle, loaded to required GVW, within the stopping distance requirements of Federal Motor

Carrier Safety regulation 393.52.

3.4 Chassis components.

3.4.1 Engine. The engine furnished shall be the chassis manufacturer's standard or optional engine for the commercial model truck, which meet or exceed the requirements of this specification.

3.4.1.1 Diesel engine. Unless otherwise specified (see 3.4.1.2), the engine shall be a liquid cooled, compression ignition, two-stroke or four-stroke cycle diesel type, with not less than four cylinders. Engine net horsepower used in performance prediction calculations shall be determined in accordance with SAE J816 or SAE J1349. A fan clutch shall be provided. The fan clutch shall reduce the fan speed automatically when the fan is not required for cooling.

3.4.1.2 Gasoline engine. When specified (see 6.2), the engine shall be a liquid cooled, internal combustion, four-stroke cycle, gasoline type, with not less than six cylinders. The engine shall produce the required vehicle performance when operated on unleaded fuel with a research octane rating of 91, at engine speed not more than the manufacturer's recommended operating speed. The engine shall be capable of warranted operation on unleaded fuel, when used in accordance with the operator's manual. Engine net horsepower figures used in performance prediction calculations shall be determined in accordance with SAE J245 or

SAE J1349. A fan clutch shall be provided. The fan clutch shall reduce the fan speed

automatically when the fan is not required for cooling.

3.4.1.3 Oil filter. A full flow type oil filter shall be furnished.

3.4.1.4 Governor. An engine governor shall be furnished and set and sealed to limit the engine to engine manufacturer's maximum recommended operating speed.

3.4.1.5 Coolant temperature control. Thermostatic control of engine coolant temperature shall be provided. For diesel engine driven vehicles, control shall be provided. For diesel engine driven vehicles, control shall include partial thermostatic control of coolant flow through the radiator shutters, or complete thermostatic control of all coolant flow through the radiator.

3.4.2 Electrical systems. The electrical system shall be in accordance with Federal

Motor Carrier Safety Regulations 393.27 through 393.31 and 393.33.