MIL-B-62152 Bus, Motor: Ambulance, Intercity, 40 Passenger, 6X2 Or 6X4This specification covers a six-wheel, four- or two-rear wheel drive, diesel engine driven, intercity type motor bus ambulance, having a seating capacity for 40 adult passengers for long distance transportation. The bus has features to allow ready conversion to accommodate 18 litter patients, the driver, and four seated attendants. Except for customized ambulance conversion features, vehicles procured under this specification are commercial items. Frame and all chassis components, heating and air conditioning equipment shall be commercially available items. The vehicle shall be warranted as specified in the procurement documents.

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MIL-B-62152A(AT)

3.4.4.2 Fuel tanks. A fuel capacity of not less than 125 gallons shall be provided. When

more than one tank is furnished, a balance line shall be provided. The filler shall be identified

and arranged for safe and convenient filling from the exterior of the body. The access for the

filler neck shall be located to prevent any accumulation of spilled fuel between the body panels or

shall be sealed to prevent entry of spilled fuel to any point inside the exterior body panels.

3.4.5 Fuel tank protection plate. If the fuel tank extends below the chassis frame, or body

skirt, the tank shall be protected on the underside and at both ends by a steel plate of not less than

12 gage (0.1046 inch) thickness. The protection plate shall provide for drainage of any

accumulated liquids and shall permit access to the fuel tank drain plug. A fuel tank protection

plate is not required if a Federal Motor Carrier Safety Tank is provided.

3.4.6 Transmission. Transmission input torque capacity shall be at least equal to the

maximum torque delivered by the engine.

3.4.6.1 Automatic transmission. Unless otherwise specified, the manufacturer's standard

automatic transmission recommended for the make and model coach shall be provided. The

transmission shall provide required performance under all normal operating conditions and under

all conditions specified herein. The transmission shall include a torque converter.

3.4.6.2 Manual transmission. When specified (see 6.2), the manufacturer's standard

constant mesh manually shifted transmission shall be furnished. The transmission shall provide

at least four forward and one reverse speeds.

3.4.6.2.1 Clutch. The clutch shall have a torque capacity exceeding the maximum

delivered engine torque and shall be the largest capacity clutch offered for the engine and the

vehicle model furnished. Pedal effort required to disengage the clutch shall not exceed

60 pounds. Spring or air assists, when employed, may be attached or incorporated within the

clutch assembly.

3.4.7 Drive line components. Drive line components shall be adequate to transmit the

maximum delivered torque of the engine, as developed through the maximum gear train

reduction. Propeller shaft guards shall be provided in accordance with Federal Motor Carrier

Safety Regulation 393.89.

3.4.8 Chassis components. Chassis components shall be designed for bus construction.

The body and the chassis shall be of the integral type. Body-on-chassis type construction, bolted

or welded, is not acceptable.