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Page Title:
Engine operation on grades and slopes |
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|  MIL-T-62531(AT)
TABLE I. Load allowances (specify).
MAXIMUM GROSS
MODEL
LOAD ALLOWANCE 1/
PAYLOAD 2/
TOWED LOAD 3/
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_______________
_______________
_______________
_______
_______________
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1/ Gross load allowance, in newtons consists of body and payload without operating personnel,
(1775 N) included for truck chassis only.
2/ Payload in newtons, maximum payload without operating personnel.
3/ Towed load in newtons, includes pintle towed trailers with pneumatic tires and semitrailer
towed loads include truck-tractor fifth-wheel load allowances.
3.7.4.2 Side slope operations. The vehicle, loaded with its rated payload, shall operate on
side slopes up to 20 percent with each side of vehicle upslope. As a result of the operation, no
evidence of faulty lubrication, leakage or other malfunction shall be evident (see 4.7.4).
3.7.4.3 Engine operation on grades and slopes. The engine, as installed in the vehicle, shall
demonstrate the performance characteristics specified herein for not less than 30 minutes in each
direction, with dipstick oil level at full and at add level conditions in the sump, on longitudinal
grades up to 60 percent and on lateral slopes up to 30 percent. As a result of this operation, no
evidence of faulty lubrication, cooling, fuel supply, leakage, or other malfunction shall be
evident (see 4.7.4).
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