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| MIL-S-46777/3
10 March 1981
MILITARY SPECIFICATION SHEET
SEMITRAILER, DUMP, COMMERCIAL SIZE 20
This specification sheet is approved for use by all Departments and Agencies
of the Department of Defense.
The complete requirements for procuring the dump semitrailer described herein shall consist
of this document and the latest issue of Specification MIL-S-46777.
REQUIREMENTS:
1. The size 20 dump semitrailer shall be equipped with tandem (2 each) axles and as
specified in table I.
TABLE I. Weights and Dimensions.
Size 20
Mfgr's Rated GVWR.
Min. 52,000 lb.
Payload.
Min. 40,000 lb.
Axle Weight Limit.
(a) Single Axle Rear Suspension
--------
(b) Multiple Axle Rear Suspension
Max. 16,000 lb.
(each axle)
Overall Length.
O(OAL) L108
Max. 480 in.
Overall Width.
(OAW) W103
Max. 98 in.
Overall Height.
(OAH) H153
Max. 150 in.
Ground Clearance.
(GC) H156
Max. 9.5 in.
Front Support Clearance,
(LWC) L498T
Min. 90 in.
Radius
Body:
Struck Capacity.
(SAE J741)
Min. 23 cu. yd.
Heaped capacity.
(SAE J741)
Min. 27 cu. yd.
Length of Body.
Min. 20 ft.
TBEA Hoist Classification.
Min. 100
Custodian:
Preparing activity:
Army - ME
Army - ME
Review activity:
Project 2330-0745-3
Army - AT
FSC 2330
User activities:
Army - CE
Navy - MC, YD
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