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Page Title:
Semitrailer, Hopper Bottom Dump, Commercial Size 30 |
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|  MIL-S-46777/5
10 March 1981
MILITARY SPECIFICATION SHEET
SEMITRAILER, HOPPER BOTTOM DUMP, COMMERCIAL SIZE 30
This specification sheet is approved for use by all Departments and Agencies of the Department of
Defense.
The complete requirements for procuring the hopper bottom dump semitrailer described herein shall consist
of this document and the latest issue of specification MIL-S-46777.
REQUIREMENTS:
1. The size 30 hopper bottom dump semitrailer shall be as specified in table I and figure I.
2. Unless otherwise specified by the procuring activity, the size 30 hopper bottom dump semitrailer shall
be equipped with a tandem (2-axle) rear running gear.
TABLE I. Weights and Dimensions
Size 30
Mfgr's Rated GVWR
Min.
73,000
lb.
Payload
Min.
60,000
lb.
Axle Weight Limit
(a) Single Axle Rear Suspension
--
(b) Multiple Axle Rear Suspension (each axle)
Max.
21,000
lb.
Overall Length (OAL) L108
Max.
439
in.
Overall Width (OAW) W103
Max.
96
in.
Overall Height (OAH) H153
Max.
76
in.
Ground Clearance (GC) H156
Min.
12
in.
Front Support Clearance, Radius (LWC) L498T
Min.
78
in.
Swing Radius (SR) LA97T
Max.
77
in.
Kingpin Setting
Min.
18
in.
Body:
Struck Capacity (SAE J741)
Min.
20
cu. yd.
Heaped Capacity (SAE J741)
Min.
28
cu. yd.
Length of Hopper Body
Min.
246
in.
Number of Hopper Clam Gates
2
Hopper Dump Opening Length ea.
Min.
84
in.
Hopper Dump Opening Width ea.
Min.
64
in.
Hopper Dump Clam Gate Control
Air
Hopper Dump Clam Gate Air Cylinder Dia
Min.
7
in.
Custodian:
Preparing activity:
Army - ME
Army - ME
Review activity:
Project 2330-0745-5
Army - AT
FSC 2330
User activities:
Army - CE
Navy - MC, YD
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