1、 KKK-T-2107M 23 = 9999974 0063891 7 = NOT MEASUREMENT SENSITIVE KKK-T-2 107M - SUPERSEDING KKK-T-2107L. Aingust 1, I990 FEDEML SPECIFICATION TRUCKS AND TRUCK TRACTORS: COMMERCIAL, DIESEL OR GASOLINE ENGINE DRIVEN, 6350 M 9530 KIMGRAMS (14,000 “Cl 21,080 FOUNDS) GVW, 4x2 This specification is approve
2、d by the General Services Administration fop the use of all Federal agencies, 1. SCOPE AND CEASSIFICATION 1.1 m. “his specification covers diesel or gasoline engine driven, four-wheel, two-rear-wheel drive, truck chassis, trucks and truck tractors having minh grass vehicle weights (GVW) of 6350 to 9
3、530 kilograms (kg) (14,000 to 21,000 pounds), fop normal operating conditions. Vehicles procured der this specification are commercial items which are warranted by the manufacturer as specified in acquisition documents (for military contracts) or as specified in 6.5 through 6.5.4 (for civil agency c
4、ontracts). . 1.2 Classifscation The vehicle shall be one of the types and classes ., except type III stake dump :ruck, a trailer towing package shall be furnished. package snall consist of a pintle, safety chain attachment devices, a Lighting receptacle and associated reinforcements and wiring, and
5、shall be installed on the rear of the vehicle. Fori type II truck tractors anci for type VI maintenance trucks, a trailer brake control system conforming to 3.4.11.3 shall be furnished. The pintle shall be of the rotating type conforming to MS 51335-1. with reinforcements to transfer a vertical tong
6、ue load of rast leas than 815 kg (1.800 punds) and a horizontal drawbar load of not less than 80 kilonewtons (M) (18,000 pounds) directly to the chassis rails. Except for type %P tractors, the rearmost portion of the pintle shall be forward, but no more than four inches forward. of the reamost parti
7、 of the vehicle. Two :railer safety chain attachent cievices, one adjacent to each side of the :)intle. shall be provied. srength at least equal to the GW of the truck furnished. devices shall be capable of accommodating a standard grab hook C56 m (2-3/16 Incnes) wide, 18.7 nun (47/64 inch) thick an
8、d 12.3 mm (31/64-inch) tnroat width for a 9.5 mm (3/8-inch) chain. The lighting receptacle, conforming to 3AE 5560 with its conductors connected and color-codea as specified herein, or number coded, shall be mounted in a readily accessible location nem the 2intl.e. The lighting receptacie on type IV
9、 dump trucks shall be located to ?revent damage during dumping of the cargo. The trailer towing The pintle shall be installed on the chassis frame Each attachent device shall provide ara ultimaee The attachent 3.1.1.8.1 htle hpa - When specified (see 6.2), the pintle height. neasused to the centerli
10、ne of the pintle, shall be 510 mm (20 incnes) (plus 125 mm (5 inches) minus O). The pintle shall be installed with bracket reinforcements to transfer pintle loads directly to the chassis rails. The installaTion shall be capable of withstanding a towed load equal to the GVW 2f the truck without perma
11、nent aefomation. . When specified (see 6.21, a trailer Lighting cable conforming to SAE 51067 shall be furnished. ?e coiled. md shall be not less than 2800 mai (110 inches) long when fully emended. .-.onfrJming to SAE 5560. The plugs snall be equipped with a grip for. withcirawing from the connector
12、 sockets. stowed in the vehicle tool compartment. 3.1.1.9 mer 1 The cable shail Both ends of the cabie shall be equipped with a round plug The cable shall be packagea and 3.1.1.10 WK arrester . As specified herein (see 3.4.4.11, the vehicle snail be iurnisnea with an exhaust system spark arrester. a
13、 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-KKK-T-2107M 23 9999974 00b3899 I m e O a KKK-T-2107M pounds). All hydraulic cylinaers shall be provided with flow restrictors in the down port of the cylinders to prevent the tailgate from falling rapi
14、dly in the event of hydraulic system failure. The tailgate platform shall be the ramping type and shall have a depth of not less than 810 mm (32 inches) exclusive of the ramp. . facilitate loading with wneeled hand carts. Platform loading area shalb be of non-skid sheet steel. platform in stowed pos
15、ition for vehicle travel. When the tailgate ia in loading position, the clearance between the rear edge of the vehicle and the tailgate shall be not more than 19 mm (0.75 inch) and the tailgate shall be on the same level as the body floor. Controla shall be mounted outaide the body on the curbside o
16、f the vehicle. The vehicle ignition switch OF a segasate switch in the drivers compartment shall allow the driveri to disconnect the power source to the tailgate. A decal OF plate deacribing operation of the hydraulic tailgate shall be provided in close proximity to the hydraulic tailgate controls (
17、see 3.1.1.14). The ramp shall taper down to ground level to The tailgate shall have devices for holding the 3-1-1-11-1 . Unless a fold-under type tailgate is specified. the tailgate shall fold vertically against the rear of the vehicle for travel. Ab1 tailgate operations shall be hydraulically power
18、ed or metered, providing for raising, lowering, folding and unfolding without mual assistance. The tailgate platform width shall be not less than 2130 m (84 inches) for type VI1 van and type VI11 refrigerator van and not less than 2290 mm (90 inches) for type III stake. Rear bumper and additional re
19、ar end protection need not be furnished. 3.1.1.11.2 Polder - taileate . When specified (see 6.2), the tailgate Hydraulically powered raising and metered lowering shall be provided. shall manually fold under the vehicle for travel and manually unfold for ase. The tailgate platform width snall be not
20、less than 2130 mm (84 inches). Rear bumprettes extending to the rear beyond the stowed tailgate shall be provided on each side of the rear, beyond the 2130 mm (84-inch) platform width. tailgate is available only on vans with a van roll-up rear door.) Additional rear end protection need not be furnis
21、hed. (A fold under 3.1.1.11.3 EaiLhft Ute tms VI1 anmI n the body OP fifth wheel (except for chassis types); and a full complement of fuel, lubricants and coolant - 3.2.5 Gross vehirle weighAwR shall be furnished. not less than the load imposed by the snowplow (or an 840 kg (1,850 pound) load locate
22、d 1520 mm (60 inches) forward of the centerline of the front axle wnen snowplow provisions but not a snowplow are specified) plus a uniformly distributed payload over tne load area, both totaling a payload to provide riot less than the specified LW. The rear GAWR shall be not less than the load impo
23、sed without the snowplow by a uniformly distributed payload over the ioad area to provide not less than the specified GVW. 0 3.2.7 Grn.ss cv . Gross combination weight (GCW) shall consist of the truck tractor curb weight, operator weight (computed at 80 kg (i75 pounds), and the weight of a semitrail
24、er, loaded to provide not less th the specified GCW. The fifth wheel shall be located so that with the truck tractor loaded to GVW. the load ratings of the chassis components are not exceeded. 3.2.8 -. Vehicle ratings shall be the manufacturers published ratings. requirements of this specification.
25、When published ratings are not available, verification of ratings shall be available to the engineering sffice of the procuring activity. :o table II for the specified class o vehicie. Component and vehicular ratings shall not be raised to meet the Minimum i;vW and GCW ratings shall conform Provided
26、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - KKK-T-21071 23 9999974 O063902 3-2.9 ckpeopa1P . The overall width of the vehicle, exclusive of tirera anCa safety related items such XI PPOFEI, lights and reflectora, shall be not more than 2440 mm (96 inch
27、es). The width over the tires shall be riot more than 2540 m (3130 inches). o The design of the vehicle and optional equipent a 3-2-10 shall pernit acce88 for routine servicing and shall permit access for replacement and adjustment of component parta and accessories with minima% disturbance of other
28、 compQnenta and wetem. . Asbestos materials shall not be used in * 3.2.11. hdukuted m=la-Eitsoke cycle diesiel engine, perfowce prediction calculations shall be determined in accordmce with SM J1349. psfomce chacteriatica specified herein when using dieerel heb conforming to W-F-800. Ir% addition, w
29、hen specified (see 6-29, the engins shall operate satbafactorily on gmde JP-4 and grade Jp-5 fuel csnfsmi to MIL-T-5624 under emergency, short duration csndi%iona and on grade JP-8 uel conforanhg to MIL-T-83133 uder neml conditiona. oprating on JP-4, JP-5 OF JP-8 is acceptable. bine net power wed in
30、 Fois military agenciea only, the engine shall demonstrate the A power 1ssl when 3.4.2 v. When specified (see 6.2), the vehicle shall be equipped with a liquid cooled, internal combustion, four-stroke cycle gaoline engine. perfomce when (aperated on mlleaded fiel with a research octane rating of 91,
31、 at an engine speed not more than the manufacturers recommended operating speed. The engbe aha% b capable of wmreiraPled operation OB unleaded fuel, when med in accordaxace with the operatsrai mual. Engine net power wed in pixfs-ce prediction calculatiom shall ?x determined in accordance with SM J13
32、49. Wnlbees otherwise required by foreign laws, vehicles for overseas um shall be capable of accepting and operating on leaded gasoline. “he engine furnished ahal1 produce the required vehicle 3.4.1.3 QiJLKkm A fuU flow OF combination full flow and baTpaes oil filter with replacement element ELP$ be
33、 %usliiahed. 3.4.1.4 GQYEIXE. FBF class C and B vehiclsa, an engine governor ahall be fwiahed and set and sealed ts limit the engine to the engine mafactwers maximum recommended opesating aped, * 3.4.1.5 lzdinP svstem o %$be coo%ing ayatem shall maintain the engine coolant at, a temperatwe below the
34、 boiling point with the vehicle loaded %o QTW anci omrated at am altitude of 3050 metera (IR) (10,000 feet) above ma level. OF in an ambient air temperature of not lesa than 520 Celciusr (OC) (1250 Fahrenheit (OP)- The COO%W ayeitem shall include a surge tank OF a ceolaa%t recovery reservoir of not
35、lees th 1.89 liters (L) (two-quart) capacity. Ch tilt cab mode1819 a radiator servicing access door shall be provided to allow verification of the coo%a.nt level. For cooling system servicing, see 3.4.26,%. i4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
36、IHS-,-,-KKK-T-2107M 23 9997974 0063905 3 KKK-T-2107M 3.4.1-6 Gal.axt teem Thermostatic control of engine On diesel engine driven vehicles, the coolant temperature shall be provided. control shall include complete thermostatic control of al1 coolant flow through the radiator. O 3.4.1.7 Fan c-. A fan
37、clutch shall be provided. The fan clutch shall reduce the fan speed automatically when the fan is not required for engine cooling. The fan clutch shall be asbestos free. 3.4.1.8 -_xuhb! hnmq - When specified (see 6.2), silicone rubber radiator and heater hoses shall be furnished. * 3.4.1.9 -fu- When
38、 specified (see 6.2), a coo%an% heater, an engine oil heater, and fuel warmers (diesel engine driven vehicles only) shall be provided. Heaters shall operate on 110 volts alternating current; (ac), and shall be wired through a junction block, including a fuse or circuit breaker, to a single three-pro
39、nged (male), weatherproof, slave receptacle for receiving extemal power and grounding the vehicle. The receptacle shall be located on the streetaide of the vehicle, as near the cab door as practicable. A three-wire connecting cable, not leas than 7600 rnm (25 feet) long and of adequate line capacity
40、 to supply power for all heater units simultaneoualy, shall be furnished. Connecting cable shall include a matching female connector at the vehicle end and a standard, three-pronged (two powe plus one ground) male connector at the other end- Electrical apparatus shall conform to Federal Motor Carrie
41、r Safety Regulation 393.77(c)(?). The electrical insulation of the connecting cable shall withstand normal operating stresses in low ambient air temperatures (down to -51oC (-6ooP) without cracking or loss of dielectric capacity. All heater lead wires shall be installed without interfering with vehi
42、cle component operation and without loose excess wire, the cable shall be provided in the vehicle cab. shall be furnished as follows: 0 Provisions for stowage of Heaters and fuel warmers (a) A coolant heater, 1000-watt (W) minimum rating, shall be installed in the engine block or in the lower coolan
43、t inlet hose. An engine themostat with an operating range of 770C (17OoP) to 9OW (195oP) shall be installed. in-pan mount, or Mmersion type that meets the following require- ments, shall be installed: * (b) An oil pan heater of the permanent external surface mount, permanent * (1) Not lesa than 16 W
44、fi (15 watts per quart) heating capacity * (2) Not more than 2.8 watts per square centimeter (W/cmz) (18 watts per square inch) heating capacity Thermal balance aesign or thermostat control providing for uninterrupted operation (3) (4) Provision for mounting below minimum service oil level. 15 Provi
45、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-(c) An in-line fuel wmer OF preheater unit shall be provided on diesel engine driven vehicles ta prevent clogging of fuel filters due to wax crystallization in the fuel. The unit shall use engine coolan% to
46、transfer sufficient heat to the diesel fuel to heat it from axi inlet temperature of -40oC (-4OoF) %o an outlet temperature of -%3*C (+9oP), with a fuel flow rate not lesa than the -maximm fuel demand o% the engine fue% system. A coolant shutoff valve shall be provided for the cooPaant inlet side of
47、 the fuel. warmer uni%. The unit shall not cause heating of the fuel above 2PC (80oF) under any possible condition, An in-tank fuel WBF OF preheater unit shall be provided on diesel engine driven vehicles, transfer heat to the fuel in one fuel tank. The warmer shall not caue heating of any fue1 abov
48、e 2PC (800F) under any possible condition, shall not disable or cause elimination of the fuel gage sending uni% and shall not violate 3.2.1 or any Federal Motor Carries Safety Regulation. A coolant shut off valve shall be included. The unita required by 3.4.1.9(c) and (d) MY be combined. (d) The mit
49、 shall use engine coolant, %Q 3.4.1.10 Fuelfir-he Drew - When specified (see 6.2), faln diesel engine driven vehicles, a diesel fuel fired engine water heater shall be furnished to preheat the engine. The heater shall include a timer, a themostat and a circulating pmp and ahall be connected to the engine cocalamt system, -51% (- or (c) A hook provided on the rear of the %ruck tractor cab; A protective bracket mounted at the rear of the cab blow the roof lin Each sha
