MIL-T-45380 Trucks, Maintenance: Earth Auger, Turntable Base, Diesel Engine Driven, 28,000 Pounds Gvw, 4X4, Modified CommercialThis specification covers an earth auger with a turntable, mounted on a diesel engine driven, four wheel, four wheel drive, modified commercial truck chassis having a minimum gross vehicle weight GVW of 28,000 pounds for normal operating conditions.

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MIL-T-45380E(AT)

*          3.2.7  Dimension.  The cab-to-axle dimension shall be not less than 102 inches but may be reduced not more than 2 inches when the vehicle is furnished with a tilt type cab.

*          3.2.8  Ratings.  Vehicle ratings shall be the manufacturer's published ratings.  Component and vehicular ratings shall not be raised to meet the requirements of this specification.  When published ratings are not available, verification of ratings must be submitted to the engineering office of the procuring activity.  The minimum GVW rating shall be 28,000 pounds.

*          3.2.9  Accessibility.  The design of the vehicle and optional equipment shall permit access for routine servicing and shall permit access for replacement and adjustment of component parts and accessories with minimal disturbance of other components and systems.

*          3.2.10  Asbestos.  Asbestos materials shall not be used in any form in any part of the vehicle.

3.3  Performance.  Performance requirements shall be met with the front, wheel drive disengaged and with front wheel driving hubs unlocked, except that vehicles equipped with interaxle compensating devices shall meet performance requirements with the front wheel drive engaged.

3.3.1  Speeds and gradeability.  High and low speed requirements shall be met with the truck loaded to specified GVW.

3.3.1.1  High speed  gradeabiliy.  The vehicle shall ascend a continuous grade of

1.0 percent at 50 miles per hour (mph).  Gradeability requirements shall be met with the main

transmission in direct drive.  Gradeability shall be verified with calculations in accordance with

SAE J688 (see 6.3).

3.3.1.2  Low speed.  Low speed shall be calculated with the engine operating at not less than 35 percent of the recommended governed speed, and shall provide not more than the vehicle speed (mph) specified in table I for the corresponding number of available forward speeds.

TABLE I.  Low speed requirements.

3.3.1.3  Maximum geared speed.  The maximum geared speed at the engine governed speed shall be not less than 52 mph (minus 1 percent).  Conformance to the geared speed specified shall be determined by calculating in accordance with the following formula:

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