MIL-T-2452 Trucks, Refuse Collection: Compaction Type, Rear Hopper Loading, With Tilt Cab, Diesel And Gasoline Engine Driven, 19,000 To 44,500 Pounds Gvw, 4X2 And 6X4, 10 To 25 Yard, CommercialThis specification covers diesel gasoline engine driven, 4-wheel, 2-rear wheel drive and 6-wheel, 4-rear wheel drive, commercial, compaction type, refuse collection trucks having a minimum gross vehicle weight GVW 19,000 to 44,500 pounds. The bodies shall be of 10- through 25-cubic yard minimum rated capacities with rear hopper loading. Vehicles procured under this specification are commercial items which shall be warranted by the manufacturer as specified in acquisition documents.

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MIL-T-2452J

component operation, and without loose excess wire. Provisions for stowage of the cable shall be provided in the vehicle cab, and shall provide positive cable retention during vehicle operation. Heaters shall be furnished as follows:

(a) A coolant heater, 1500-watt minimum rating, shall be installed in the engine block or lower coolant inlet hose. An engine thermostat with an operating range of 170 F to 195 F shall be installed.

(b) An immersion type engine oil heater, 300-watt minimum rating, with 170 F to

195 F thermostat, shall be installed in the oil pan through any convenient opening

(c) The battery heater shall have a capacity adequate to maintain the battery electrolyte at a temperature of not less than 10 F during vehicle exposure to ambient air temperatures as low as minus 60 F and shall embody a thermostat to limit the temperature of the electrolyte to not more than plus 80 F

(d) A fuel warmer or preheater shall be provided on diesel engine driven vehicles to

prevent clogging of fuel filters due to wa crystallization in the fuel. The fuel warmer shall use engine coolant to transfer sufficient heat to the diesel fuel to heat

it from an inlet temperature of minus 40 F to an outlet temperature of plus 9 F, with a flow rate not less than the maximum fuel demand of the engine fuel system. A coolant shutoff valve shall be provided on the coolant inlet side of the fuel warmer unit.

3.4.1.9 Silicone rubber hoses. When specified (see 6.2), silicone rubber radiator and heater hoses shall be furnished.

3.4.2 Electrical systems. The electrical systems shall be in accordance with Federal

Motor Carrier Safety Regulations 393.27 through 393.31 and 393.33.

* 3.4.2.1 Starting system (diesel). For diesel engine driven vehicles, a 12- or 24-volt direct current (dc) starting system with 12-volt dc lighting system, and with not less than a 60-ampere alternator, shall be furnished. Engine starting equipment shall include an ether starting system or a glow plug. If an ether system is furnished in lieu of a glow plug, it shall be of the measured

shot type. The measured shot type ether system shall be key operated or manually operated from the driver's compartment and shall be inoperative with the engine warm. Complete provisions for a replaceable ether reservoir of not less than 12 fluid ounces shall be furnished. A reservoir need not be furnished.