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Page Title:
Table II. Dimensions and clearances. |
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|  MIL-S-62359(AT)
3.2 Dimensions, clearances, payloads and capacities.
3.2.1 Dimensions and clearances. The semitrailer, without payload, uncoupled from the
towing vehicle, and resting on its landing less on level ground, shall conform to the dimensions
and clearances specified in table II. The overall length and overall height of the semitrailer shall
be the minimum practicable for the intended use, but shall not exceed the values listed in table II.
TABLE II. Dimensions and clearances.
Designation
Type I
Type II
Type III
Type IV
Overall length, feet (max.)
35
38
38
40
Overall width, inches (max.)
96
96
96
96
Overall height, inches (max.)
110
112
115
104
Ground clearance, inches
11-1/2
11-1/2
11-1/2
11-1/2
(minimum)
Swing radius, from centerline
60
60
60
60
of kingpin to most distant
point on semitrailer nose,
inches (max.)
Distance from centerline of
18
18
18
18
kingpin to front end of
semitrailer, inches (min.)
Turning clearance from center-
82
82
82
82
line of kingpin to any por-
tion of semitrailer 6 inches
or more below upper fifth
wheel plate, inches (min.)
Upper fifth wheel height, from
49
49
49
49
ground to underside of plate,
plus or minus one inch
3.2.2 Payloads and capacities. Payloads shall conform to table III. Hopper capacities,
measured in accordance with SAE J741, shall conform to table III.
TABLE III. Payloads and capacities.
Designation
Size 18
Size 20
Size 22
Struck capacity, cubic yards
18
20
22
(minimum)
Payload, pounds (minimum)
50,000
55,000
60,000
5
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