TM 5-1940-277-34
CAPACITY
Fuel
75 gallons
(280 liters)
Oil
Engine
17-1/2 quarts
(16.4 liters)
Transmission
2-1/2 quarts
(2.35 liters)
Coolant
MK1
7-1/5 gallons
(27 liters)
MK2
18 gallons
(68.1 liters)
ENGINE INSTRUMENT PANEL GAGE READINGS
Tachometer
Idle speed
650 to 750 rpm
Operating speed
1000 to 2000 rpm
Maximum speed (Under Load)
2500rpm
Engine oil pressure gage
Idle speed
20 to 30 lb/in2
(1.4 to 2.1 Kp/cm2)
Operating speed
40 lb/in2 or above
(2.8 Kp/cm2)
Coolant temperature gage (fresh water system)
Normal
Below 195 F
(90 C)
Overheating
Above 195 F
(90 C)
Battery condition meter (engine not running, no electrical load)
Battery fully charged
25.4 volts or above
Battery half charged
24.6 to 25.4 volts
Battery fully discharged
23.7 volts or below
NOTE
The above readings are most reliable if the batteries
have stood for at least 8 hours without charge or discharge.
Battery condition meter (engine running about 1500 rpm and no
electrical load)
Battery near to fully charged
27.0 to 28.0 volts
Battery partially discharged
24.0 to 27.0 volts
Battery charge low
Below 24.0 volts
Battery condition meter (normal operation)
Above 24 volts
Alternator output
matching or greater
than electrical
load
Below 24 volts
Load in excess of
alternator output
Opening temperature range for thermostat
160 - 170 F
Change 3 1-6
