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Page Title:
Typical Vehicle Life Operational Profile |
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|  MIL-C-62135 A(AT)
6.4 Mission Statement. Add the following paragraphs from MIL SPEC MIL-T-62132A (AT); Truck,
Cargo: 8 Ton, 4x4, M520 for reference purposes: "6.5 Mission Statement. One mission shall consist of
100 miles of operation under these conditions of load, speed, terrain, and environment with special
functions described."
TERRAIN
DISTANCE
OPERATING SCHEDULE
RANGE MPH
Hard Surface
20 Miles
0-30
Secondary
40 Miles
0-30
Level Cross Country
16 Miles
0-30
Level Cross Country Mud*
4 Miles
0-10
Hilly Cross Country*
20 Miles
0-15
Swimming
Traverse Water Barrier
5 Minute Operation
60% Grades: 1/10 of 1% Hilly Cross Country Operation w/o Towed Load.
30% Side Slopes: 1/10 of 1% Hilly Cross Country Operation w/o Towed Load.
Climatic Extremes
Temperature: -25 F. To 125 F. Ambient
Altitude: 500' to 5,000'
Tractor Functions:
Idle:
30 Minutes
Starts: One cold, one hot at two minutes, one hot at 15 minutes after shutdown (Cold means
coolant & oil at ambient, hot at maximum obtained)
*4-Wheel drive: 100% mud & swim, Cross country as required, all other operation is in 2-wheel drive.
Reverse: 10 operations at 130 feet each.
From winch (once each 10 missions) one overload attempt (100% of rated capacity followed by recovery of
a load at 90% of capacity).
Cargo Carrying Function:
Operation: 50% of time at 8 ton payload, 25% of time at 4 ton payload, and 25% at no load, 10%
with towed load.
When Equipped With MHE Crane: Load and unload 8 ton palletized cargo every second mission.
6.6 Typical Vehicle Life Operational Profile
Model
Renewal Life
AVG
Total
Mission
Miles - Hours
M.P.H
Missions
Miles - Hours
M520
25,000-1250
20.0
250
100-5
M559
18,000-1250
14.4
182
100-6.9
M553
12,500-1250
10.0
250
50-5
15
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