1、- MIL-T-62L26C 23 7979706 0200732 2 Ca3 3 c e O O MIL-T-62126C( AT) 9 May 1988 SUPERSEDING MIL-T-62126B( AT) 26 June 1981 MILITARY SPECIFICATION TRUCKS, EQUIPMENT TRANSPORT, TILT PLATFORM, DIESEL AND GASOLINE ENGINE DRIVEN, 24,000 GVW, 4x2, AND 44,500 GVW, 6x4, COMMERCIAL This specification is appro
2、ved for use by the US Army Tank- Automotive Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers diesel and gasoline engine - driven, four-wheel, two-rear-wheel drive and six-wheel, four-
3、rear-wheel drive equipment transport trucks with a hydraulic operated rear tilt platform and loading winch. Trucks have a minimum gross vehic-le weight (GVW) of either 24,000 pounds or 44,500 pounds for normal operating conditions. Vehicles procured under this specification are commercial items whic
4、h shall be warranted by the manufacturer as specified in acquisition documents. * 1.2 Classification. The vehicle shall be one of the types shown below, as specified (see 6.2): Type I - 24,000 GW, 4x2 Type II - 44,500 GVW, 6x4. 2. APPLICABLE DOCUMENTS 2.1 Government documents. * 2.1.1 Specifications
5、 and standards. The following specifications and standards form a part of this specification to the extent specified herein. be those listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS), and supplement thereto, cited in the solicitation. Unless otherwise
6、specified, the issues of these documents shall Beneficial comments (recommendat ions, addit ions, delet ions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Tank-Automotive Command, ATTN: AMSTA-UED, Warren, MI 48397-5000, by using the self-addre
7、ssed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC-2 320 DISTRIBUTION STATEMENT A. Approved for public use; distribution is un1 imi ted. fTHIS DOCUMENT CONTAINS 97 PAGES. Provided by IHSNot for ResaleNo reproduction or n
8、etworking permitted without license from IHS-,-,-MIL-T-b2L2bC 23 M 9794906 0200933 4 W MIL-T-62126C(AT) SPECIFICATIONS FEDERAL W-B- 1 3 1 - Battery, Storage: Vehicular, Ignition, Lighting and St art ing * ZZ-T-38 1 - Tires, Pneumatic, Vehicular (Highway). STANDARDS FEPSTD-297 - Rustproofing of Comme
9、rcial (Nontactical) Vehicles , MILITARY * MIL-STD-1223 - Nontactical Wheeled Vehicles Treatment, Painting, Identification Marking and Data Plates Standards. MS51118 - Pintle Assembly, Towing: 40,000 Lbs. Capacity, Manual Release. MS5 13 17 - Light, Warning, Vehicular, Rotating, D.C, * 2.1.2 Other Go
10、vernment documents. The following ather GQVernment documents farm a part of this specification to the extent specified herein, on the date of the solicitation, Unless oterwise specified, the ssues shall be those in effect: DEPARTMEW OF TRANSPORTATION (DOT) Federa.1 Motor Carrier Safety Regulat: iona
11、. Federal Motor Vehicle Safety Standards. (Application for copies of DOT publications should be addressed ta the Department of Transportation, Federal Highway Administration, Washington, D.C. 20591,) ENVIONHENTAL PROTECTION AGENCY (EPA) Cantrol o Air Pollutoa from Neu Motor Vehicles and Neu Noise Em
12、ission Standards for Transportation Equipment: - Motor Vehicle Engines, Medum and Heavy Trucka. (Application for copies of EPA publications should reerence the Code of Federal Regulations, 40 CFR, and the Federal Register and should be addzessed to the Superintendent of Documents, U.S. Government Pr
13、inting Office, Washington, D.C. 20402. (Copies of specifications, standards and other Government documents required by contractors in conuection usth specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer,) 2 Provided by IHSNot for R
14、esaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-62126C( AT) * 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted shall be those
15、 listed in the issue of the DoDISS specified in the solicitation, Unless otherwise specified, the issues of documents not listed in the DoDISS shall be the issue of the non-Government document which is current on the date of the solicitation. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) Standar
16、ds: ASTM Designation: A120 - Pipe, Steel, Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless, for Ordinary Uses (DoD adopted). (Application for copies of ASTM publications should be addressed to the American Society or Testing and Materials, 1916 Race Street, Philadelphia, PA 19103).
17、* * 5688 5704 5706 5844 3 5350 5537 5551 5560 5588 5589 5682 5683 SAE, INC. SAE Standards and Recommended Practices 53 18 - Air Brake Gladhand Service (Control) and Emergency (Supply) Line Couplers - Trucks, Truck-Tractors, and Trailers (DoD adopted). Size Engines (DoD adopted). - Spark Arrester Tes
18、t Procedure for Medium - Storage Batteries. - Performance Levels and Methods of Measurement of Electromagnetic Radiation from Vehicles and Devices (30-1000 MHz). - Seven-Conductor Electrical Connector for Truck-Tra i 1 er Jump er Cab 1 e. - Turn Signal Lamps. - Turn Signal Switch. - Rear Wheel Splas
19、h and Stone Throw Protection (DoD adopted). - Tire Chain Clearance - Trucks, Buses, and Combinations of Vehicles (DoD adopted). - Truck Ability Prediction Procedure. (DoD adopted). - Openings for Six- and Eight-Bolt Truck Transmission Ffounted Power Take-offs (DoD adopt ed) - Rating of Winches. - No
20、nmetallic Air Brake System Tubing (DoD adopted). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-62126C( AT) * 51349 - Engine Power Test Code - Spark Ignition and Diesel. (Application for copies of SAE publications should be addressed to SAE, X
21、NC, , 400 Commonwealth Drive, Warrendale, PA 15096.) THE TIW AND RIM ASSOCIATION, INC. Yearbook, (Application for copies of Tire and Rim Association publications should be addressed to the Tire and Rim Association, Inc., 3200 W. Market Street, Akron, OH 44313,) * 2.3 Order of precedence. In the even
22、t of a conflict between the text of this specification and the references cited herein (exceDt for associated detail specifications, specif icat ion sheets or MS standards), the text of this specification shall take precedence. specification, however, shall supersede applicable laws and regulations
23、unless a specific exemption has been obtained. Nothing in this 3 REQUIREMENTS * 3,l Standard vehicle and accessories. Except as specified in 3.1.1 through 3.1.1.7, the vehicle, components, assemblies and accessories to be delivered under the contract shall be standard or optional items which meet or
24、 exceed the requirements of this specification, All chassis items shall be as represented in the chassis manufacturers technical data, and special bodies or mounted equipment shall be as represented in the body and equipment manufacturers technical data. Technical data shall be limited to specificat
25、ions and technical material identical to that furnished to the authorized company representatives for selection of vehicle models and components, and shall be available in the engineering offices of the procuring activity prior to delivery of the items. not older than the chassis manufacturers curre
26、nt model on the date of invitation for bids. The chassis model furnished shall be 3.1.1 Special requirements. In addition to the standard vehicle and components specified in 3.1, the vehicle shall be furnished with special- equipment as specified herein. * 3.1.i Painting and marking. Treatment, pain
27、ting, marking and data plates shall be in accordance with MIL-STD-1223. The exterior color and the identification markings shall be in accordance with the requirements of MIGSTD-1223 for the military service identified by the procuring activity (see 6 2) . markings shall be furnished. When specif le
28、d (see 6.2) , concealed 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-62126C( AT) * 3.1.1.2 Rustproofing. When specified (see 6.2), the vehicle shall be rustproofed in accordance with FED-STD-297. 6.2), tropical rustproofing in accordance w
29、ith FED-STD-297 shall be furnished. When specified (see 3.1.1.3 Drain plugs. Drain plugs installed in manual transmissions and in rear axles for the purpose of draining lubricants shall be of the permanent magnet type. 3.1.1.4 Towing devices. Not less than two hooks, loops, or pins or a single, cent
30、er-mounted towing eye for towing the vehicle shall be furnished on the front of the vehicle. * 3.1.1.5 Trailer towing package. When specified (see 6.2), a trailer towing package consisting of a pintle, safety chain attachment devices, a lighting receptacle, a trailer brake control system, and associ
31、ated reinforcements and wiring shall be installed on the rear of the vehicle. MS51118. The pintle shall be installed on the chassis frame with reinforcements to transfer a vertical tongue load of not less than 4,000 pounds and a horizontal drawbar load of not less than 40,000 pounds directly to the
32、chassis frame rails. The rearmost portion of the pintle shall be forward but not more than 4 inches forward of the rearmost part of the vehicle. Two trailer safety chain attachment devices, one adjacent to each side of the pintle, shall be provided. Each attachment device shall provide an ultimate s
33、trength of not less than 40,000 pounds. The attachment devices shall be capable of accommodating a standard grab hook (4-9/16 inches wide, 1-3/16 inches thick, 25/32-inch throat width) for a 5/8-inch chain. The lighting receptacle, conforming . . to SAE 5560 with its conductors connected and color c
34、oded as specified cherein, shall be mounted in a readily accessible location near the pintle. The trailer brake control system shall conform to 3.4.11.2. The pintle shall be of the rotating type conforming to * 3.1.1.6 Rear wheel splash and stone throw protection. Rear wheels shall have rigid splash
35、 shields in front and rubber mud flaps at the rear. Splash and stone throw protection shall be in accordance with SAE 5682. A metal strip not less than 1/8 inch thick and not less than one inch wide, extending the entire width of the mud flap, shall be installed to prevent the bolt heads or bolt nut
36、s from damaging the mud flap. * 3.1.1.7 Brushguard. The vehicle shall be equipped with a radiator and headlamp brushguard. When the headlamps are recessed into and protected by the front bumper, a headlamp brushguard is not required. 5 Provided by IHSNot for ResaleNo reproduction or networking permi
37、tted without license from IHS-,-,-MIL-T-bZLZbC 23 9 4777906 0200737 L W MI L-T- 6 2 1 2 6 C ( AT) 3.2 General design. 3.2,l Federal Motor Vehicle Safety Standards. The vehicle and furnished accessories shall comply with all Federal Motor Vehicle Safety Standards in effect on the date of manufacture.
38、 3.2,2 Air pollution control. The vehicle shall comply with EPA Regulations governing Control of Air Pollution from New Motor Vehicles and New Motor Vehicle Engines in effect on the date of manufacture. In addition, vehicles destined for California shall comply with State of Caliornia regulations go
39、verning air pollution control in effect on the date of manufacture. 3.2.3 Sound level, The interior sound level shall conform to Federal Motor Carrier Safety Regulation 393.94. sound level shall conform to the Environmental Protection Agency Noise Emission Standards for Transportation Equipment - Me
40、dium and Heavy Trucks , The vehicle exterior 3,2,4 Curb weight. The curb weight shall include the weight of the chassis and cab with all attachments, accessories, and equipment; the body; and a full complement of fuel, lubricants and coolant. 3.2.5 Gross vehicle weight. Gross vehicle weight (GVW) sh
41、all consist of curb weight, operator weight (computed at 175 pounds), and a payload to provide not less than 24,000 pounds GVW for type I vehicles and 44,500 pounds GVW for type 11 vehicles. 3,2.6 Weight distribution, The distribution of GVW for the purpose of establishing suspension, axle, and tire
42、 capacities shall be determined with the payload uniformly distributed over the load area. ratings, Component and vehicular ratings shall not be raised to meet the requirements of this specification. available, verification of ratings shall be available to the engineering office of the procuring act
43、ivity, 24,000 pounds for type I vehicles and 44,500 pounds for type II vehicles. :3,2.7 Ratings, Vehicle ratings shall be manufacturers published When published ratings are not The minimum GVW rating shall be * 3,2.8 Overall width, The overall width of the vehicle, exclusive of mirrors, lights, refl
44、ectors and tires, shall be not more than 96 inches, The width over the tires shall be not more than 100 inches, * 3.2,9 Accessibility, The design of the vehicle and optional equipment shall permit access for routine servicing and shall permit access for replacement and adjustment of component parts
45、and access- ories with minimal disturbance of other components and systems. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-bZLZbC 23 7777706 0200738 3 3.3 Perf ormance 3.3.1 Speeds and gradeability. High and low speed requirements shall be m
46、et with the truck loaded to the specified GVW. 3.3.1.1 High speed gradeability. The vehic?e shall ascend at 50 miles per hour (mph) a 1.0 percent grade for type I vehicles and a 0.50 percent grade for type II vehicles. Gradeability requirements shall be met with the main transmission in direct drive
47、 and, when a multispeed axle or auxiliary transmission is furnished, with the axle or auxiliary transmission in high speed range. Gradeability shall be verified with calculations in accordance with SAE 5688 (see 6.3). * 3.3.1.2 Low speed. Low speed for vehicles with a manual transmission shall be ca
48、lculated with the engine operating at not less than 35 percent of the recommended governed speed, and shall provide a vehicle speed of not more than 4 mph for type I vehicles and not more than 2.5 mph for type II vehicles. * 3.3.1.3 Maximum geared speed. The maximum geared speed at engine governed s
49、peed shall be not less than 58 mph. speed specified shall be determined by calculating in accordance with the following formula: Conformance to geared Maximum geared speed (mph)= Governed speed (rpm) Total gear reduction x tire factor (see 6.3). * 3.3.2 Service brakes. The service brakes shall control and hold the vehicle, when loaded to its specified GVW on a 30 percent grade. The service brakes shall stop the vehicle, loaded to specified GVW, withi
