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|  MIL-T-62531(AT)
APPENDIX A
4.7.1 Vehicle loading. Vehicle performance shall be demonstrated with the vehicle loaded
as specified in 3.7.1 and table I, over highway, and crosscountry operation (see 3.6.1.1, 3.6.1.2,
and 3.6.1.3).
Verification Rationale
Vehicles shall be properly loaded to obtain test data which reflects design and performance
requirements.
Verification Guidance
Verification of proper positioning of loads shall be ascertained prior to testing.
Verification Lessons Learned
3.7.2.1 High speed. The vehicle transporting its rated payload and towed load, limited to a
maximum gross combination weight of ______ N, shall operate at a sustained high speed of not
less than ______ km per hour (km/h).
Rationale
To assure rapid high speed deployment of material, and to ascertain that the vehicle speed is
adequate for expressway travel.
Guidance
Insert the gross combination weight figure in the first blank space and the figure for the high
speed in the second blank space. Proper mating of the engine, transmission, and axles will
assure that the minimum high speed will be attained.
Lessons Learned
4.7.2.1 High speed verification. The trucks shall be loaded with the rated payload and if
applicable a trailer with its rated payload shall be attached. The vehicle shall be operated on a
smooth, dry, relatively level concrete roadway for a distance of not less than ______ kilometers
at a sustained speed of not less than ______ km/h.
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