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(t)
Tilt type cab, if required (see 3.4.12)
(u)
Individual driver and passenger seats, if required (see 3.4.12).
(v)
Periscope for type II vehicles, if required (see 3.4.12.1).
(w)
Air operated horn, in addition, if required (see 3.4.21).
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 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. .208
Table 5
- Velocity Factor. 250.0
Table 6
- Altitude Fctor. 1.00
Table 7
- Chassis Friction Horsepower. Use applicable power unit GVW
(to nearest, higher, 1000 pounds) and the engine rpm (to nearest
100 revolutions) which is required for 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.
Container hoisting
Lifting capacity
Stabilizing jack
Telescopic mast
Truck, commercial
Truck, nontactical
Truck, materials handling, container hoisting.
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