MIL-T-46765 Trucks, Tank: Sewage And Waste, Dump Type, 4550 And 7570 Liter 1200 And 2000 Gallon, Modified CommercialThis specification covers diesel and gasoline engine driven trucks equipped with a hydraulic lift dump tank, an auxiliary engine driven centrifugal pump, and associated hoses and equipment for loading and unloading the dump tank with sewage and waste materials. The vehicle is capable of cleaning sewers, septic tanks, catch basins, manholes, and sludge pits. The trucks have minimum gross vehicle weights GVW of 11 350 kilograms kg 25,000 pounds in a four wheel, two wheel drive 4x2, 4550 liter L 1200 gallon size; and 15 650 kg 34,500 pounds in a six wheel, four wheel drive 6x4, 7570 L 2000 gallon size; for normal rating conditions. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in acquisition documents.

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MIL-T-46765(AT)

6.3  Performance prediction.  SAE Truck Ability Prediction Procedure computations and computations for low speed and maximum geared speed will be required by the contract.  The SAE Work Sheet Item 1 should include vehicle model number, engine model number, and vehicle type and class.  Unless other conditions are cited in the contract computations should be made for normal atmospheric pressure, normal ambient air temperature, and still, dry air.  The factors to be used in predicting truck ability (see 3.3.1) are established as follows for the corresponding SAE Truck Ability Prediction Procedure Tables:

Table 1                                                -  Tire Factor.  This factor must relate to the size of tires furnished by the contractor in accordance with this specification.

Table 2                                                -  Altitude factor.  1.00

Table 3                                                -  Rolling Factor.  1.613

Table 4                                                -  Area Factor.  0.173

Table 5                                                -  Velocity Factor.  250.0

Table 6                                                -  Altitude Factor.  1.00

Table 7                                                -  Chassis Friction Horsepower.  Use applicable power unit

GVW (to nearest, higher, tabulated 4540 kg

(1,000 pounds)) and the engine rpm which is required for

80 km/h (50 mph) geared speed.  For GVW and engine speed beyond the range of this table, factors shall be extrapolated.

Table 8                                                -  Grade Factor.  0.75

Table 8A                                             -  Correction Factor.  Not required. Table 9                                                -  Road Factor.  0.0.

*    6.4  Subject term (key word) listing.

Eductor Nontactical truck Truck, commercial Truck, dump type

Truck, sewage and waste

Truck tank

4x2

6x4

6.5  Changes from previous issue.  The margins of this specification are marked with

asterisks (*) to indicate where changes (additions, modifications, corrections, deletions) from the

previous issue were made.  This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations.  Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content regardless of the marginal notations and relationship to the last previous issue.

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