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Page Title:
Performance and durability requirements |
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|  MIL-T-62735
3.3.13.1
Oil lubricated wheel bearings and axle spindles.
3.3.14
Disc wheels.
3.3.14.4
Spare carrier, except truck tractors and dump
trucks.
3.3.18
A 100 ampere alternator in lieu of the 85 ampere
standard.
3.3.30
Tools.
3.10.1
Treatment and painting for Marine Corps NTVs.
3.10.3
Marking for Marine Corps NTVs.
3.10.6
Rustproofing.
3.2 Performance and durability requirements.
3.2.1 Speeds and gradeability. High and low speed requirements shall be met with truck
tractors loaded to specified GVW and GCW and with all other trucks loaded to specified GVW
and when specified (see 3.1.9) GCW.
3.2.2 High speed gradeability. The vehicle shall ascend the standard continuous grades
specified in table IV at 80 kilometers per hours (km/h) (50 miles per hour (mph)) 69 km/h
(43 mph) for 72 600 kg (160,000 pounds) GCW and larger. When specified (see 6.2), the
vehicle shall ascend the optional continuous grades specified in table IV at these speeds.
Gradeability requirements shall be met with the main transmission and auxiliary transmission, if
furnished, in direct drive and, when a multispeed axle is furnished, with the axle in high speed
range.
3.2.2.1 Gradeability calculations. Gradeability shall be calculated in accordance with
SAE J688. (See 6.3 and use the 80 km/h (50 mph) factors or 69 km/h (43 mph) factors indicated,
as applicable).
TABLE IV. Gradeability.
Gross weight
Standard percent
Optional percent
kg (1,000 pounds)
of grade
of grade
(GVW or GCW,
whichever is greater)
4540
(10)
5.0
5.0
6350
(14)
4.0
4.0
8600
(19)
3.0
3.0
9530
(21)
3.0
3.0
10 900 (24)
2.5
2.5
11 350 (25)
2.3
2.5
12 000 (26.5)
2.2
2.4
12 700 (28)
2.0
2.3
14
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