1、MIL-S-62549 23 m 7999906 020Li053 5 m c - 23-30 MIL-S-6 2 549 (AT ) 18 November 1987 SUPERSEDIXG -u (see 6.4) MILITARY SPECIFICATION SEMITRAILER, LOW BED, 40 TON NOMINAL PAYLOAD FOR TRANSPORTATION OF HEAVY ENGINEER CONSTRUCTION EQUIPMENT, M870A2 c+ ?is- 6% Command, Department of the Army, and is ava
2、ilable for use by all Departments 43 and Agencies of the Department of Defense. This specification is approved for use within the US Army Tank-Automotive % 1. SCOPE 1.1 Scope. equipped with a folding gooseneck for front loading and movement of heavy engineer construction equipment. This specificatio
3、n covers a level frame, low bed semitrailer 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a part of this specification to the extent specified herein, Unless otherwise specified, the issues of these documents sha
4、ll be those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. w- Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should b
5、e addressed to: US Army Tank-Automotive Command, ATTN: AMSTA-GDS, Warren, MI 48397-5000, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. AMSC N/A FSC 2330 DISTRIBUTION STATEMENT A. Approved for public relea
6、se; distribution is unlimited. / THIS DOCUMENT CONTAINS -. 39 PAGES. -. /- -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SPECIFICATIONS FEDERAL GG-P-455 TT-C-490 MILITARY MIL-P-5 14 MIL-L-2105 MIL-i+ 3 9 1 2 MIL-M-7866 MIJPA-8421 MIL-G-10924 MIL
7、-P-46 105 MIL-R-46264 MIL-C-4 6 16 8 MIL- C-5303 9 MIL-V-62038. STANDARDS FEDERAL PED - CT D-H 2 8 FED-STD-595 MILITARY MIL- STD- 105 MIL-STD-193 MIL-STD-209 MIL-STD-642 - Plates and Foils, Photographic - Cleaning Methods for Ferrous Surfaces and (Photosensitive Anodized Aluminum). Pretreatment for
8、Organic Coatings. - Plates, Identification, Instruction and - Lubricating Oil, Gear, Multipurpose, - Wood Parts and Wood Substitutes, Fabricated: for Transport of Vehicle Bodies and Similar Applications. - Molybdenum Disulfide, Technical, Lubrication Grade. - Air Transportability Requirements, Gener
9、al . Specification for. - Grease, Automotive and Artillery. - Primer Coating; Weld Through, Zinc-Rich. - Rustproofing of Military Vehicles and Trailers, - Coating, Aliphatic Polyurethane, Chemical Agent Resistant. - Coating, Aliphatic Polyurethane, Single Component, Chemical Agent Resistant. - Vehic
10、les, Wheeled: Preparation for Shipment and Storage of . Marking, Blank. - Screw-Thread Standard for Federal Services. - Colors. - Sampling Procedures and Tables for Inspection by Attributes. - Painting Procedures and Markings for Vehicles, Construction Equipment and Materiel Handeling Equipment and
11、Tying Down Military Equipment. and Transport Vehicles. - Slinging and Tiedown Provisions for Lifting - Identification Marking of Combat, Tactical * 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-62593 23 9779906 0209055 7 I MIL- STD-8 1 O MI
12、L-STD-1261 MIL- STD- 1366 MIL-STD-1472 MIL- STD-45662 MS357 46 MS52125 MS5 3007 MS7 50 2 1 - Environmental Test Methods and Engineering - Arc Welding Procedures for Construetional - Material Transportation Systems Dimensional - Human Engineering Design Criteria for - Calibration Systems Requirements
13、. - Coupling, Automotive: Air Brake Lines. - Composite Light-Tail, Stop, Turn and Marker . - Plate Identification: Emergency and Service Automotive Air Brake. - Connector, Receptacle, Electrical-12 Contact, ntervehicular, 28 Volt, Waterproof . Guidlelines. Steels. and Weight Constraints, Definition
14、of. Military Systems Equipment and Facilities. 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues shall be those in
15、 effect on the date of the solicitation. DRAWINGS ARMY 7411021 7722333 7723309 773 1428 13226E7 194 - Coupling Assembly, Dummy. - Grommet Electrical Connector. - Nut Grommet - Retaining Size 28. - Cover Assembly, Receptacle. - Camouflage Pattern M870. DEPARTMENT OF TRANSPORTATION (DOT) Federal Motor
16、 Carrier Safety Regulation (FMCSR) 393.41 393.45 393.46 393 . 52 393 70 393.95 393.96 - Parking Brake System. - Brake Tubing and Hose Adequacy. - Brake Tubing and Hose Connections. - Brake Performance. - Coupling Devices and Towing. - Emergency Equipment Required. - Emergency Equipment, Additional R
17、equired. Federal Motor Vehicle Safety Standards (FMVSS) 108 119 - Lamps, Reflective Devices and Associated - New Pneumatic Tires for Vehicles other than Equipment. Passenger Cars. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-120 121 125 - Tire Sel
18、ection and Rims for Motor Vehicles - Air Brake Systems-Trucks, Busses and - Warning Devices. other than Passenger Cars. Trailers. (Application for copies should be addressed to the Department of Transportation, Federal Highway Administration, Washington, D.C. 20591.) (Copies of specifications, stand
19、ards, drawings, publications, and other Government documents required by the contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 2.2 Other publications, The following document(s) form a part of th
20、is specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted shall be those listed in the issue of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the WDISS shall be the issu
21、e of the nongovernment documents which is current on the date of the solicitation, AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D 2000 - Rubber Products In Automotive Application, Classification System for. (Application for copies should be addressed to American Society for Testing and Mat
22、erials, 1916 Race Street, Philadelphia, PA, 19103.) SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE J133 SAE 5318 SAE 5348 CAE 5534 SAE 5.588 SAE J560 SAE J682 SAE 5701 SAE 5702 SAE 5753 SAE 5754 Fifth Wheel Kingpin Perormance - Commercial Trailer and Semitrailers. Air Brake Gladhand Service (Control) and
23、 Emergency (Supply) Line Couplers - Trucks, Truck-Tractors and Trailers. Wheel Chocks. Lubrication Fittings, Turn Signal Lamps. Seven-Conductor Electrical Connector for Truck-Trailer Jumper Cable. Rear Wheel Splash and Stone Throw Protection, Truck Tractor Semitrailer Interchange Coupling DimensPons
24、, Information Report, Brake and Electrical Connection Locations - Truck-Tractor and Truck-Trailer , Lubrication Chart-Construction and Industrial Machinery. Lubricant Types. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-62549 23 9 9999906 0
25、204057 2 9 - SAE 5848 SAE 5875 CAE 51292 - Fifth Wheel Kingpin, Heavy Duty, Commercial - Trailer Axle Alignment. - Automobile, Truck, Truck-Tractor, Trailer and Motor Coach Wiring, Recm. Practice. Trailers nad Semitrailers. (Application for copies should be addressed to the Society of Automotive Eng
26、ineers, 400 Commonwealth Drive, Warrendale, PA 15096.) THE TIRE AND RIM ASSOCIATION, INC. .- Y ear book . (Application for copies should be addressed to the Tire and Rim Association, Inc., 3200 W. Market Street, Akron, OH 44313.) (Nongovernment standards and other publications are normally available
27、 from the organizations which prepare or which distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except
28、for associated detail specifications, specification sheets or MS standards), the text of. this specification shall take precedence. Nothing in this Specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article
29、. Unless otherwise specified (see 6.2), the contractor shall furnish semitrailers which shall be subjected to first article inspection (see 4.4). First article inspection samples, properly marked with identifying information shall be representative of the unit to be furnished to the Government. All
30、subsequent semitrailers delivered to the Government shall conform to these samples in all of their pertinent physical and performance attributes. 3.2 Life cycle operation. The reliability and maintainability requirements shall be demonstrated over the life cycle operations of the semitrailer when op
31、erated for a total of 6,000 miles (mi) per vehicle in accordance with the operational profile in table I, the payload and distribution requirements of 3.2.1, and the environmental conditions of 3.2.2. /- -. 5 -% Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
32、m IHS-,-,-MIL-S-b2549 23 H 9999906 0204058 4 H Rated payload (lb) MIL-S-62549(AT) TABLE I. Road test profile, 6,000 mi. Distribution Length, feet (ft) i/ I Width, inches (in) 2/ I Course I Mileage (mi) Primary road Improved secondary road Off-road L/ ,/ Level to slightly hilly. 2700 300 2420 280 300
33、 Loading condition rated payload empty rated payload empty rated payload 3.2.1 Payload and distribution. The semitrailer shall be capable of I transporting the rated payload without permanent deformation to the frame or gooseneck, while operating at the terrain profile specified in table I, with the
34、 load distribution specified in table II. The semitrailer shall be suitable for the concentrated, pin point and localized stresses caused by trucks, track pads and wheels, and any other normally distributed loads on the platform caused by the full range of intended use specified in Appendix A. Maxim
35、um allowable kingpin load shall not exceed 44,730 pounds (lb) with the semitrailer fully loaded. TABLE II. Payload distribution. I 30 30 I 56,000 18 80,000 I 18 I I I l-/ Length of evenly distributed payload in center of load space - 21 Width of each crawler track, centered on load space. 3.2.2 Envi
36、ronmental conditions. The semitrailer shall be operational after a 24 hour (hr) cold soak in ambient temperature ranging from minus (-) 25 degrees Fahrenheit (OF) to plus (i-) 120F, capable of operating in hot, humid tropical environments and dry, dusty conditions, and capable of being stored for ex
37、tended periods in temperatures ranging from -28 to +16OoF without damage. . 3.2.3 Reliability. The reliability of the semitrailer shall have a design goal requirement of 6,000 mean miles between failure (MMBF) as specified in 3.2. semitrailer prevents operations, reduces performance below essential
38、levels, indicates that further operation would be unsafe, or indicates that further operations might result in extensive damage to the equipment. Any of these conditions that cannot be corrected by the crew in 1 hr using basic issue items (BII) that are carried on the truck-tractor or the semitraile
39、r is considered to be a failure, Maintenance and human induced failures are excluded. For calculation of MMBF, a failure shall exist when the Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-62547 23 W 7777706 0204057 b MIL-S-62549(AT) 3.2.3.1 F
40、rame reliability. The frame reliability shall have a design requirement of 150,000 mi average frame life which may be demonstrated by analytical calculations. 3.2.4 Maintainability. The total maintenance time, excluding driver and crew checks and services shall not exceed 8 manhours during 6,000 mi
41、of specified operation. mi of operation equivalent to one hr of operation. The scheduled maintenance interval shall be six months or 6,000 mi. Any of these conditions that cannot be corrected by the crew in one hr using BI1 is considered to be a failure. Maintenance and human induced failures are ex
42、cluded. This equates to a maintenance ratio (MR) of 0.04 at 30 3.3 Materials. Material used in the manufacture of the vehicle shall be * new and of highest commercial quality as normally used for this type of equipment, considering strength, durability, ductility, best engineering practice and the p
43、urpose for which the equipment is to be used; and shall be as specified, where applicable. 3.3.1 Recycled, virgin, and reclaimed materials. There are no requirements for the exclusive use of virgin materials. The use of recycled or reclaimed (recovered) materials is acceptable provided that all othe
44、r requirments of this specification are met (see 6.3.1). 3.3.2 Dissimilar metals. Dissimilar metals shall be electrically insulated from one another to minimize or prevent galvanic corrosion. 3.4 Design and construction. The semitrailer, lowbed shall be a tactical support mobility vehicle with a pay
45、load rated at 80,000 lb capacity and shall have a folding gooseneck which shall be operated by a winch and cable from the truck-tractor. designed to permit one-man operation for loading and unloading various types of construction equipment. Passe-partout International (PPI) clearance dimensions spec
46、ified in figure 1. The operation of the gooseneck will be The semitrailer shall not exceed the 3.4.1 Weights and dimensions. The semitrailer, without payload, resting on level ground and with the platform level, shall conform to the weights and dimensions specified below: a. bo C. d. e. f. g. Payloa
47、d rating Maximum overall width, with outriggers Maximum reducible widt 40 ton 120 in 9 96 in with outriggers folded Minimum length of center 18 ft bed (Load) Maximum height of deck 40 in (Load bed) Minimum ground clearance 12 in (Load bed) Maximum curb weight 19,500 lb 7 . Provided by IHSNot for Res
48、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-hi547 i3 -W- 77qqqOb O204060 2 M 3.4.1.1 Interchange coupling. The interchange coupling dimensions specified below shall be in accordance with SAE J701: a. Minimum support clearance 88 in b. Maximum swing radius 84 in C. R
49、ange of kingpin setting 16-30 in d. Upper fifth wheel plate 65 2 1 in radius height, loaded 3.4.2.1 Wrench. A tire lug wrench shall be provided, 3.4.2.2 Highway warning kit, A highway warning kit including three emergency reflectors and four red flags shall be furnished and shall conform to FMVSS 125 and FMCSR 393.95, and located in the tool box of the gooseneck. The kit shall be in a metal or plastic box 3.4.2.3 Packet for
