1、MIL-S-4b777C 23 = 777770b 0398072 T y L- 33-30 - L MIL-S-46777C 10 March 1981 SUPERSEDING MIL-S-4677 7B 1 August 1973 MILITARY SPECIFICATION SEMITRAILERS, DUMP, COMMERCIAL GENERAL SPECIFICATION FOR This specification is approved for use by all Departments and Agencies of the Department of Defense. 1
2、. 1.1 t.- SCOPE Scope. This specification covers various sizes of rear dump semi- The dump semitrailers are operated by the truck-tractors hydraulic trailers. system, .unless the self-contained engine driven hydraulic system option is required. 1.2 Classification. The semitrail.ers shall be of the f
3、ollowing sizes, as specified (see 6.2): Size 10 Min. 10-ton Payload, Refuse Special, MIL-S-46777/1 Size 12 Min. 12-ton Payload, Min. 8 Cu. Yd. MIL-S-46777/2 Size 20 Min. 20-ton Payload, Min. 23 Cu, Yd. MIL-S-467 7 7 / 3 Size 25 Min. 25-ton Payload, Min. 40 Cu. Yd. MI L-S-46 7 7 7 / 4 Size 30 Min. 30
4、-ton Payload, Min. 20 Cu. Yd. MIL-S-46777/5 Size XX As specified by procuring activity. 47 Cu. Yd. 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documents of the issue in effect on date of invitation for bids or request for proposal form a part of this specification to the extent sp
5、ecified herein: FSC 2330 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Mobility Equipment Research and Development Command, ATTN: DRDME-DS, Fort Belvoir, VA 22060 by using the self-add
6、ressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or bv letter. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-S-qb777C 23 m 777970b 0198073 I m MIL-S-46777C SPECIFICATIONS MILITARY MIL-P-
7、5 14 MIL-T-7 04 MIL-C-5 2895 MIL-T-5 2901 MIL-S-4677 7/1 MIL-S-46777/2 MIL-S-46777/3 MIL-S-46777/4 MIL-S-467 7 7 15 - Plates, Identification, Instruction, and - Treatment and Painting of Materiel. - Chassis-Cab, Multi-Axle, On-Off Road, Marking , Blank. Commercial Construction Equipment (CCE) . Gene
8、ral Specification for. - Truck Tractor, On-Off Road Engineer, Min. 120,000 GCWR, Commercial Construction Equipment (CCE). Refuse Special. - Semitrailer, Dump, Commercial Size 10, - Semitrailer, Dump, Commercial Size 12. - Semitrailer, Dump, Commercial Size 20. - Semitrailer, Dump, Commercial Size 25
9、. - Semitrailer, Hopper Bottom Dump, Commercial Size 30. FEDERAL KKK-T- 2 1 O 8 - Trucks and Truck Tractors; Commercial, Diesel and Gasoline Engine Driven, 24,000 to 32,000 Pounds GW, 4 x 2. - Trucks and Truck Tractors; Commercial, Diesel and Gasoline Engine Driven, 34,500 to 64,000 Pounds GW, 6 x 4
10、. KKK- T- 2 1 O 9 STANDARDS MILITARY MIL-STD-130 MIL- STD-209 - Slinging and Tieuown Provisions for MIL-STD-281 - Automobiles, Trucks, Truck-Tractors, - Identification Marking of US Military Property. Lifting and Tying Down Military Equipment. Trailers and Trailer Dollies, Preserva- tion and Packagi
11、ng of. Di s tr ibut ion. ment, Painting, Undercoating, Identi- fication Marking, Data Plates and Warranty Notice Standards. 12 Contact, Intervehicular, 28 Volt, Waterproof. MIL-STD-7 81 - Reliability Tests: Exponential MIL-STD-122 3 - Administrative Wheeled Vehicles Treat- MS75021 - Connector, Recep
12、table , Electrical - 0, (Copies of specifications and standards required by contractors in connection with specific procurement functions should be obtained from the procuring attivity or as directed by the contracting officer.) , Provided by IHSNot for ResaleNo reproduction or networking permitted
13、without license from IHS-,-,-MIL-S-46777C 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. ASSOCIATION OF AMERICAN RAIL
14、ROADS (AAR) M-931 - Highway Trailers, All Types, for TOFC Service. . (Application for copies should be addressed to the Association of American Railroads, 1920 L Street, NW, Washington, DC 20036.) -T P ALUMINUM ASSOCIATION (AA) Aluminum Standards and Data 3 (Applications for copies should be address
15、ed to the Aluminum Association, 818 Connecticut Ave., NW, Washington, DC 20006.) AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI B93.31 ANSI 235.1 - Multi-Pass Method for Evaluating the Filtration Performance of a Fine Hydraulic Fluid Power Filter Element. Specifications for. - Industrial Accident
16、 Prevention Signs, (Application for copies should be addressed to the American National Standards Institute, Inc. , 1430 Broadway, New York, NY 10018. ) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM A 242 ASTM A 449 - High-Standard , Low-Alloy Structural Steel. - Quenched and Tempered Steel
17、 Bolts and Studs. (Application for copies should be addressed to the American Society of Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vessel Code, Welder Qualifications, Section IX. - (Application for copies sho
18、uld be addressed to the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017.) AMERICAN TRUCKING ASSOCIATIONS , INC. (ATA) The Maintenance Council (TMC-ATA): ATA Vehicle Maintenance Reporting Standards. TMC-ATA Recommended Practice Manual (Formerly RCCC). 3 Provided by
19、IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-Vb777C 23 a 9999906 0398075 5 M- DEPARTMENT OF LABOR (DOL) MIL-S-46777C (Applications for copies should be addressed to The Maintenance Council - ATA, 1616 P Street, NW, Washington, DC 20036.) AMERICAN WELDIN
20、G SOCIETY (MS) Standard Qualification Procedure. Welding Handbook. (Application for copies should be addressed .to the American Welding Society, 2501 N.W. 7th Street, Miami, FL 33125.) 2 9CFR19 10 2 9 CF R19 2 6 - Occupational Safety and Health Standards. - Construction Safety Standards. (OSHA) (App
21、lication for copies should be addressed to the local DOL Office or to the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.) DEPARTMENT OF TRANSPORTATION (DOT) 49CFR325 49CF393 49CF567 and 568 49CFR5 71 - DOT, Compliance with Interstate Motor - DOT Federal Motor Car
22、rier Safety Regu- - Certification. - DOT Federal Motor Vehicle Safety Standards Carrier Noise Emission Standards. lations (FMCSR). (FMCSR) . (Application for copies should be addressed to the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. FORGING INDUSTRY ASSOCIA
23、TION (FIA) The Forging Industry Handbook (Applications for copies should be addressed to the Forging Industry Association, Dept. R, 1121 Illumination Building, Cleveland, OH 44113.) FRICTION MATERIALS STANDARDS INSTITUTE, INC. (FMS) FMS Automotive Data Book. (Application for copies may be obtained f
24、rom commercial brake lining contractors or should be addressed to the Friction Materials Standards Institute, Inc., East 210, Route 4, Paramus, NJ 07652.) INDU STRIAL FASTENERS INSTITUTE (IF 1) 4 I. 3 3 .! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-
25、,-,-i (- IF I oms MIL-S-Yb777C 23 W 9999906 0198076 7 MIL-S-46777C - Standards - Recommendations (Optimum Metric Fastener system) . (Application for copies should be addressed to Industrial Fasteners Institute, 1505 East Ohio Building, Cleveland, OH 44114.) NATIONAL ASSOCIATION OF METAL NAME PLATE M
26、ANUFACTURERS, INC. (NAME) Metal Name Plate Industry Standards and Practices. (Application for copies should be addressed to the National Association of i Metal Name Plate Manufacturers, Inc., 1000 Vermont Avenue, NW, Washington, DC .- 20005. I NATIONAL WHEEL AND RIM ASSOC IATION (NWRA) NWRA Standard
27、s. (Applications for copies should be address.ed to the National Wheel and Rim Association, 4836 Victor Street, Jacksonville, FL 32207.) STATE OF CALIFORNIA DEPARTMENT OF MOTR VEHICLES California Vehicle Code. (Application for copies should be addressed to the State of California, Department of Moto
28、r Vehicles, 2570 24th Street, Sacramento, CA 95809.) SOCIETY OF AUTOMOTIVE ENGINEERS (CAE) SAE Handbook. (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) TIRE Hydraulic Hoists, Dump Bodies, Elevating Tailgates. (Applic
29、ation for copies should be addressed to the Truck Body and Equipment Association, Inc., Suite 1220, 5330 Wisconsin Avenue, NW, Washington, DC 20015.) 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-qh777C 23 m 7777706 OL78077 7 m MIL-S-46777C
30、 TRUCK TRAILER MANUFACTURERS AS SOC IATION (TTMA) TTMA TTMA - Recommended Practices - Technical Bulletins (Application for copies should be addressed to the Truck Trailer Manufacturers Association, 2430 Pennsylvania Avenue, NW, Washington, DC 20037.) 3. REQUIREMENTS 3.1 Description. The dump semitra
31、iler shall be as specified herein and on the applicable specification sheet (see 1.2). shall include the following: The complete dumper vehicle (1) Dump Body (see 3.4). (2) Hydraulic hoist system (see 3.6 thru 3.8). (3) Semitrailer components (see 3.9). (4) Towing prime mover vehicle and components,
32、 when applicable (see 3.1.3). The semitrailer, including attachments, equipment, and accessories, shall be the manufacturers standard or optional items which meet or exceed the requirements as specified herein. Established component and vehicle ratings shall be manufacturers published rating. shall
33、not be raised to meet the requirements of this specification. trailer shall be a comercial motor vehicle product, complying with all DOT Federal Motor Vehicle Safety Standards and DOT Federal Motor Carrier Safety Regulations applicable on date of manufacture to nonmilitary, nonexport motor vehicle p
34、roducts. accordance with TTMA RP No. 56. number shall be functionally and dimensionally interchangeable. Unless otherwise specified in procurement documents, vehicle components shall be as represented and rated in the manufacturers technical data, and mounted equipment and body shall be as represent
35、ed and rated in the equipment and body manufacturers technical data. Technical data shall be limited to specifications and technical material identical to that furnished to the authorized company representatives for selection of the procurement activity prior to delivery of the items (see 6.7). Comp
36、onent and vehicular ratings The semi- , The semitrailer vehicle identification number shall be in All parts having the same manufacturers part 3.1.1 Vehicle weights and dimensions. The dump semitrailer weights and dimensions shall be in accordance with table I and DOT 49CFR567 and 568, Certification
37、. The ratings shall be in accordance with TTMA RP No. 39 and No. 53. The dimensions shall be in accordance with SAE 51100 and SAE 5701, and as shown in figure 1. The curb weight shall include the weight of the semitrailer in operating condition with all attachments, equipment, and accessories, excep
38、t for exclusion of the power-takeoff and other components intended for installation on the truck-tractor. the specified payload required in table I and the applicable specification sheet. The physical characteristics of the semitrailer shall be as specified in table I, when the floor of the semitrai
39、ler body is in travel position on level ground, and the inflation pressure of the tires is as recommended in the TRA Year Book The GVWR shall include the curb weight and The payload shall be evenly distributed over the dump body area. for GVWR operation at highway speed. d- . 6 - .I I Provided by IH
40、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-46777C 23 W 777770b 0178078 O W MIL-S-46777C _- Le TABLE I. Weights and Dimensions. Requirement Feature Weights: Mfgrs Rated GVWR Pay 1 oad Axle Weight Limit (a) Single Axle Rear Suspension (b) Multiple Axle Re
41、ar Suspension (each axle) Front Coupler We igh t Limit Rear Running Gear Weight Limit Dimensions per SAE 51100: Overall Length (OAL) L108 Overall Width (OAW) W103 Overall Height (OAH) H153 Ground Clearance (GC) H156 Angle of Departure Max. , Degrees H107 interchange Dimensions per SAE 5701 and 51100
42、 : Front Support Clearance , Radius, (LWC) L498T-* Swing Radius , (SR) L497T-* Kingpin Setting, (FP) L496T-* Level Coupler Plate Height (FWH) H494T-* Body Characteristics: Struck Capacity, CAE 5741 Heaped Capacity, SAE 5741 Length of Body, L5 98T* TBEA Hoist Classification, Body Overhang Beyond Rear
43、 Per Specification Sheet. Per Specification Sheet. Max. 18,000-lb. Max. 16 , 000-lb . Max. 48% of GVWR. Max. 68% of GVWR. Per Specification Sheet. Max. 98-in. Max. 144-in. Per Specification Sheet. Per Specification Sheet, Min. 90-in. for Tandem Axle Min. 72411. for Single Axle Max. 58-in. (Except wh
44、ere Tract or. Tractor. specified in specification slash sheets.) 24 to 36411. Range. (Except where specified in specifi- cation slash sheets) 50 to 54-in. Range. Per Specification Sheet. Per Specification Sheet. Per Specification Sheet. Per Specification Sheet. i i I i I l I : i i i l i I l j I Tire
45、s , L495T* Min. 18-in. * Tentative and subject to change in SAE 51100. 7 I. . i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-S-qh777C 23 m 7777706 0378077 2 m - or The dump semitrailer shall be furnished coupled to a new prime mover as a comp
46、lete, cornpatable, powered combination vehicle package. (b) 3.1.3 Material design criteria. The stresses in the load carrying members of the semitrailer, with the payload as specified in table I and the applicable specification sheet, shall not exceed 33 percent of the yield point (YP) strength unde
47、r static conditions. semitrailer shall be furnished. diagrams for the following: A calculated stress analysis of the This analysis shall include calculations and (a) (b) (c) The GVWR load distribution diagram of the semitrailer. The vertical shear diagram for the length of the semitrailer. The bendi
48、ng moment diagram for the length of the semitrailer. 3.1.4 First-article semitrailer. The contractor shall furnish a semi- trailer of each size for examination and test within the time frame specified (see 6.2) to prove that his production methods and choice of design detail will produce semitrailer
49、s that comply with the requirements of this specification. Examination and tests shall be as specified in Section 4, and unless otherwise specified herein, all examinations and tests shall be conducted by the contractor subject to surveillance and approval by the Government (see 6.3). When specified (see 6.21, the Government will conduct any or all of the first-article examination and tests, as specified (see 6.2). 3.2 S
