KKK-A-1822 E
durability, safety, and comfort. The chassis-frame and components shall be constructed to
withstand the strains of on-off road service and any special service and equipment requirements
specified herein. All chassis (including cab) components shall be as represented in the chassis
manufacturer's technical data.
3.6.2
VEHICLE LUBRICATION.
The chassis components, devices, accessories, and added equipment requiring lubrication
shall be fully equipped with lubrication fittings, as provided by the chassis or equipment
manufacturer.
3.6.3
POWER UNIT, ENGINES.
3.6.3.1 POWER UNIT.
The power unit shall meet or exceed the required vehicle performance specified herein
(see 3.4), at not more than the engine manufacturer's recommended operating engine
speed. It shall be of such design and construction that it will provide a smooth flow of
power, at all rpm's, without undue vibration, strain, or overheating of engine parts.
3.6.3.2 ENGINE LOW TEMPERATURE STARTING.
The engine shall start satisfactorily without the aid of engine block preheating devices
(except glow plugs or combustion air preheater) at - 18° C (0° F), for the diesel engine,
and - 28.9° C (- 20° F) when a gasoline engine is specified (see 6.2-j). When specified by
the purchaser, auxiliary engine/battery heating and/or starting devices (see 3.6.3.2.1) shall
be provided to meet other starting requirements. Verification test shall be performed
during the environmental test.
3.6.3.2.1 POWER PLANT HEATERS, MINIMUM - 34° C (- 30° F) STARTABILITY.
In addition to the chassis manufacturers standard block heater on diesel engines, when
specified (see 3.15.3-16)), the manufacturer's standard power plant heater(s) (coolant or
immersion type crankcase heaters and battery heaters) shall be furnished for the gasoline
engine, which permits starting an engine at - 34°C (- 30° F).
3.6.3.3 DIESEL ENGINE.
Unless otherwise specified by the purchaser, the chassis manufacturer's standard or optional
horsepower/displacement diesel engine and power train shall be provided, complying with
requirements of 3.4. Net horsepower rating shall conform to SAE J1349. Additionally,
the chassis manufacturer's block heater shall also be furnished. For type I-AD vehicle's
the power train shall meet the performance requirements specified herein or as specified or
approved by the purchaser.
3.6.3.4 GASOLINE ENGINE.
When specified (see 6.2-j), a gasoline engine shall be furnished which permits warranted
operation on unleaded gasoline, when operated in accordance with OEM's manual. When
specified (see 6.2-yy) or required for export, the vehicle shall be capable of warranted
operation on either leaded or unleaded gasoline. Engine horsepower and torque
requirements shall be sufficient to comply with the requirements specified in 3.4. Net
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