1、MIL-T-740G 27 May 1983 SUPERSEDING MIL-T-740F 19 December 1967 MILITARY SPECIFICATION TRUCKS; 5 TON, 6x6, MILITARY DESIGN, M39, M39A1, M39A2 AND M809 SERIES This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification cov
2、ers general and special purpose 5 ton, gasoline, multi-fuel, and diesel engine powered, six-wheel, six-wheel drive, military design truck chassis, trucks, and truck tractors having single front and dual rear wheels. 1.2 Classification. Vehicles shall be of the model specified (see tables I, II, III
3、and 6.2). 1.2.1 Group. Group of.vehicle shall be determined by engine application as follows: a. Group 1 - Gasoline engine powered. b. C. Group 2 - Multi-fuel engine powered. Group 3 - Diesel engine powered. TABLE I. Model and arom. Mode 1 Group 1 - Gasoline engine M40 Chassis, Truck M40C . Chassis,
4、 Truck M5 1 Truck, Dump, 5 Cubic Yard Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Tank-Automotive Command, ATTN: DRSTA-GSS, Warren, MI 48090, by using the self-addressed Standardizat
5、ion Document Improvement Proposal (DD Form 1426) appearing at the end of this document, or by letter. FSC 2320 THIS DOCUMENT CONTAINS 57 PAGES. I I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-740G 23 M 797770b OL3LL5 4 W MIL-T-740G TABLE I.
6、 Model and group. - Continued Model Group 1 - Gasoline engine M52 Truck, Tractor M54 Truck, Cargo, 14 Ft. Body M55 Truck, Cargo, 21 Ft. Body M6 i Chassis, Truck M 3 Chassis, Truck M63C Chassis, Truck TABLE II. Model and group. Model Group 2 - Multi-fuel engine M40A2 Chassis, Truck M40A2C Chassis, Tr
7、uck M51A2 Truck, Dump, 5 Cubic Yard M52A2 Truck, Tractor M54A2 Truck, Cargo, 14 Ft. Body M55A2 Truck, Cargo, 21 Ft. Body M6 1A2 Chassis, Truck M63A2 Chassis, Truck M63A2C Chassis, Truck M63A2D Chassis, Truck M139A2 Chassis, Truck M246A2 Truck, Tractor, Wrecker M291A2 Truck, Van, Expansible M291A2C T
8、ruck, Van Expansible M291A2D Truck, Van Expansible M328A2 Truck, Stake: Bridge Building M543A2 Truck, Wrecker, Medium M748A2 Truck, Bolster: Logging 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-740G c TABLE III. Model and group. Model M40A
9、1 Chassis, Truck Group 3 - Diesel engine M40AlC M51A1 M52A1 M54A1 M54AlC M55A1 . M63Al M63AlC M139A1 M246A1 M29 1Al M291A1D M328A1 M543A1 M748A1 M809 M809A1 M810 M811 M8 1 1Al M8 1 1A2 M812 M8 12A1 M813 M813A1 M8 14 M815 M816 M817 M818 M819 M8 20 M820A1 M820A2 Chassis, Truck Truck, Dump Truck, Tract
10、or Truck, Cargo Truck, Cargo Truck, Cargo Chassis, Truck Chassis Truck Chassis, Truck Truck, Tractor, Wrecker Truck, Van, Expansible Truck, Van, Expansible Truck, Stake, Bridge Transporting Truck, Wrecker, Medium Truck, Bolster Chassis, Truck Chassis, Truck Chassis, Truck Chassis, Truck Chassis, Tru
11、ck Chassis, Truck Chassis, Truck Chassis, Truck Truck, Cargo Truck, Cargo: Truck, Cargo Truck, Bols ter Dropside Truck, Wrecker, Medium Truck, Dump Truck, Tractor Truck, Tractor, Wrecker Truck, Van, Expansible Truck, Van, Expansible Truck, Van, Expansible M821 Truck, Stake, Bridge Transporting 3 Pro
12、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-740G 23 7999706 0183117 MIL-T-740G 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. following specifications and standards of Unless otherwise the issue listed sp
13、ecified, the in that issue of - the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL vv-L-7 5 1 VV-F-800 VV-L-800 MILITARY MIL-P-5 14 MIL-L-2104 MIL-L-2105 MIL-(
14、3-3056 MIL-L-3150 MIL-H-6083 MIL-L-608 5 MIL-G-10924 MIL-A-11755 MIL-C-11796 MIL-T-13714 MIL-C-16173 MIL-0-23827 MIL-A-46153 - Lubricating Oil: Chain, Wire-rope, and - Fuel Oil, Diesel. - Lubrication Oil, General Purpose, Exposed Gear . Preservative, (Water Displacing, Low Temperature) . - Plate, Id
15、entification, Instruction and - Lubricating Oil, Internal-combustion - Lubricant Oil, Gear, Multipurpose. - Gasoline, Automotive, Combat. - Lubricating Oil, Preservative, Medium. - Hydraulic, Fluid, Petroleum Base, for - Lubricating Oil, Instrument, Aircraft, Low - Grease, Automotive and Artillery.
16、- Antifreeze, Arctic-type. - Corrosion Preventive Compound, Petrolatum, Hot Application. - Trailer, Bolster: Utility Pole, 2 1/2 Ton to 7 1/2 Ton Trailer, Cable Reel: 2 1/2 Ton to 7 1/2 Ton. Cutback, Cold Application. Actuator Screw. Heavy Duty, Single Package. Marking, Blank. Engine, Tactical Servi
17、ce. Preservative and Operation. Volatility. - Corrosion Preventive Compound, Solvent - Grease, Aircraft and Instrument, Gear and - Antifreeze, Ethylene Glycol, Inhibited, c - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-740G MIL-L-46167 MIL-
18、B-46176 MIL-R-0046 164 STANDARDS MILITARY DOD-STD-100 MIL-STD-105 MIL-STD-130 MIL-STD-193 MIL-STD-461 MIL-STD-462 MIL-STD-642 MIL-STD-882 - Lubricating Oil, Internal Combustion Engine, Arctic. - Brake Fluid, Silicone, Automotive All Weather, Operational and Preservative. - Rustproofing for New and F
19、ielded Milit Vehicles . - Engineering Drawing Practices. - Sampling Procedures and Tables for Inspection by Attributes. - Identification Marking of U.S. Military Property. - Painting Procedures, and Marking for Vehicles, Construction Equipment and Material Handling Equipment. Requirements for the Co
20、ntrol of Electromagnetic Interference. - Electromagnetic Interference Characteristics, Measurement of. - Identification Marking of Combat, and Tactical Transport Vehicles. - System Safety Program Requirements. - Electromagnetic Emission and Susceptibility 2.1.2 Other Government documents, drawings a
21、nd publications. The following documents, drawings, and publications form a part of this specification to the extent specifed herein. PURCHASE DESCRIPTION DAPD-29 2 - Engine, Multi-fuel; 6-Cylinder, 210 H.P., LDS-465-1A and 1. ATPD-2023 - Engine, Diesel-fuel, NHC-250 and ENDT-673. ORDNANCE DRAWING 1
22、0883507 - Engine w/Accessories (Service Only). (Copies of specifications, standards, drawings, and publications required by contractors in accordance with specific procurement functions should be obtained from the procuring activity, or as directed by the contracting officer. ) Provided by IHSNot fo
23、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-740G 23 H 9497906 fi3ilq 1-6 MIL-T-740G 3. REQUIREMENTS 3.1 First article (initial production vehicles). The vehicles of each model. selected as first production shall be fully representative of vehicles proposed to b
24、e furnished- under the contract with all- current modifications included in and on the selected vehicles. Vehicles shall be submitted for inspection and test to determine conformance to this specification. submitted vehicles meet all requirements of this specification, no modifications shall be appl
25、ied to subsequent vehicles to be produced under contract without prior approval by the Government. model. of the complete vehicle shall not establish acceptance criteria for the remainder of the vehicles under contract (see 4.3.2.1 and 6.3). If The first production 301.1 Reliability. Minimum accepta
26、ble value (MAV) for the vehicles shall not be less than 545 Mean Miles Between Failure (MMBF) during the first 20,000 miles (11,400 miles for wrecker and van models) of operation. failure for calculation of MMBF shall be defined by the failure definition sind scoring criteria for M809 series 5-ton t
27、actical trucks as follows: A a. A failure is defined as any malfunction of the end item that requires corrective action which cannot be deferred: (1) Until the next scheduled maintenance (exclusive of lubrication services) if organizational maintenance is prescribed for correction, or For the remain
28、der of its specified life before overhaul, replacement, rebuild or salvage (as applicable) if direct or general support maintenance is prescribed for correction. (2) b. Corrective action is not deferrable if the malfunction causes or would cause (if not corrected): (1) Inability to commence operatio
29、n, cessation of operation or degradation of performance capability of the end item below that required for the accomplishment of its prescribed mission function, or A critical or catastrophic hazard to personnel or equipment as defined in MIL-STD-882. (2) c. Any malfunction which the operator or cre
30、w (user) can remedy will not be considered a failure provided that the repair is authorized or prescribed as an operator function and can be accomplished within 60 minutes using only controls, tools, or spare parts incorporated in or carried with the end item. 3.1,l.l Reliability operations. To assu
31、re that workmanship and reliability requirements are met during the 20,000 miles and 11,400 miles of operation, as applicable, the vehicle with rated payload shall be capable of operating to the following percentages: 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without lic
32、ense from IHS-,-,-MIL-T-740G 23 a 979770b OL3120 a and date of the approved document and name of supplier(s). MIL-T-740G 20,000 Miles (for trucks) a. Hard-surfaced roads 30 percent b. Gravel and dirt roads 28 percent C. Level and hilly 41 percent d. Belgian block (oy equal) 1 percent cross-country i
33、/ 20,000 Miles (for truck-tractors) a. Hard-surfaced roads 60 percent b. Gravel and dirt roads 24 percent C. Level and limited hilly 15 percent d. Belgian block (r equal) 1 percent cross-country i/ 11,400 Miles (for wreckers and vans) a. Hard-surfaced roads 66 percent b. Gravel and dirt roads 13 per
34、cent C. Level and limited hilly 20 percent- d. Belgian block (r equal) 1 percent cross-country i/ - i/ Level and hilly cross-country mileage shall be divided as equally as is reasonable. 3.1.2 Maintainability. The total maintenance (scheduled and unscheduled) for the vehicles, excluding driver or cr
35、ew checks and services, shall be no more than 260 man-hours (131 man-hours for wrecker and van models) during the first 20,000 miles (11,400 miles for wrecker and van models) of operation. This equates to a Maintenance Ratio (MR) of 0.26 (0.23 for wrecker and van models) at 20 mph. in the applicable
36、 maintenance manuals and documents. Maintenance intervals are specified 3.1.3 Durability. Vehicles with rated payload shall have no less than wrecker and van models) of operation without replacement or overhaul of the engine, transmission, transfer or differentials. .0.50 probability of completing a
37、 minimum of 20,000 miles (11,400 miles for 3.2 Materials. Materials shall be as specified herein and in referenced specifications, standards and drawings. Material shall be free of defects which adversely affect performance or serviceability of the finished product (see 6.10). 3.2.1 Qualified produc
38、ts. The contractor shall be responsible for using parts, assemblies, and lubricants from Qualified Products Lists (QPLs) when required. Contractors inspection records shall specifically list all QPL items by number and date of the QPL, name of supplier and part or drawing number(s). When parts and a
39、ssemblies are approved as qualified products, but not yet listed on the QPL, the contractor shall list the products by number 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I NIL-T-7iOG 23 M 7797906 6383323 T M MIL-T-740G 3,2.2 Ozone resistance. W
40、hen rubber components are required to be ozone resistant, the degree of resistance shall be as specified in applicable epecificaeiona or drawings. 3,s Conetxuetion. Vehicle(s1 specified, (see 6.21, shall be fabricated and assenKle3 in accordance with applicable specifications and standards lieeed in
41、 201.1, other Government documents listed in 2.1.2 and applicable drawings Asetiranse Requirements (QARs) contained in the Technical Data Package (TDP) for the appropriate vehlcle(s), (see appendix). Supplementary Quality Assurance Provisions (SQAPs) and Quality . furnished and installed on a specif
42、ic vehicle. raqufres perwnent: change in vehicle configuration or adaption, such as weldnente, dsf%lod holes, or metal cutouts, prior approval must be obtained firon the contracting officer. When specified (see 6.2 and 6.9), kits shall be When installation of kits 3,3,1,1 Deep water fording kits. Th
43、e fording kits shall be in accordance with applicable drawing for a specific model specified in 6.9, and shall permit the vehicle to ford hard-bottomed, fresh or salt water CXO$IIE up to a depth of 78 inches including wave height. perw%C the vehicle to be operated in the water for a period of 15 min
44、utes witkoui: damage to vehicle and components. With the kit installed, the vehlck shall operate continuously on land, prior to and after fording operatLon, wl-thout damage to vehicle or components. The kit shall 3,3,1.2 Winterization kits. Kit shall be in accordance with applicable drawlnge for gro
45、up 1, 2, or 3 vehicles. wiaterlzaion kit shall gssure operation under arctic conditions in ambient When installed (see 6.2), taTIpera%es of ninu6 60 F. 3,3,1.3 A-frame kit (derrick). A-frame or derrick, furnished for winch equipped vehi-at the front of vehicle and used as a genersE-utiEity lifting d
46、evice in conjunction with the vehicle winch. 3,3,1,4 Air-brake kit. The air-brake kit furnished for vehicles used with trailers having air brakes, shall supply power to apply brakes for stopping and holding the combination. 3,3.1.5 Erosp seat accessory kit. The troop seat accessory kit which grsvide
47、e seating Ess 10 heavy clothed personnel of average size, shall be installed in dump trucks M51, M51A1, M51A2 and M817 vehicles for use in traneporting troops. 3,3,1.6 - - DAPD-292. Group 3, Diesel engines; NHC-250 and ENDT-673; - ATPD-2023. 3.3.6 Heaters and air conditioners (truck, van: expansible
48、). 3.3.6.1 Heaters. Two multi-fuel burning space heaters shall be furnished and installed on trucks, van, expansible, M291A1, M291AlD, M2191A2, M291A2C, M291A2D, M291A2F, M8.20, M820A1 and M820A2, in accordance with applicable TDP requirements. 3.3.6.1.1 Air flow modulation. Air inlet damper shall b
49、e provided to control the percentage of circulating air mixture. 3.3.6.2 Air conditioner. Provisions shall be made so that a, 36,000 British thermal unit per hour (Btu/hr), air conditioner can be installed on vehicles listed in 3.3.6.1, in accordance with applicable TDP requirements. 3.3.7 Winches. Winches, controls and equipment, installed in accordance with applicable drawings on vehicles requiring winches, shall
