TM 9-2320-260-10
Table 1-9. Performance Data.
Maximum Maximum
Cruising
Idle
Engine
Model
Speed
Grade
Range
Speed
Operating
mph (km/h) Degrees
mi. (km)
rpm
Temperature
M812A1
60 (97)
60+
350 (563)
600-650
175°- 195°F
M812A1 (w/towed load)
60 (97)
300 (483)
600-650
175° - 195°F
M813
52 (84)
60+
350 (563)
600-650
175° - 195°F
M813 (w/towed load)
52 (84)
55
300 (483)
600-650
175° - 195°F
M813A1
52 (84)
60+
350 (563)
600-650
175° - 195°F
M813A1 (w/towed load)
52 (84)
55
300 (483)
600-650
175° - 195°F
M814
52 (84)
60+
350 (563)
600-650
175° - 195°F
M814 (w/towed load)
52 (84)
52
300 (483)
600-650
175°- 195°F
M815
52 (84)
60+
350 (563)
600-650
175° - 195°F
M815 (w/towed load)
52 (84)
55
300 (483)
600-650
175° - 195°F
M816
52 (84)
60+
585 (941)
600-650
175°- 195°F
M816 (w/towed load)
25 (40)
46
400 (644)
600-650
175° - 195°F
M817
52 (84)
60+
440 (708)
600-650
175° - 195°F
M817 (w/towed load)
52 (84)
52
400 (644)
600-650
175°- 195°F
M818
52 (84)
60+
440 (708)
600-650
175°- 195°F
M818 (w/towed load)
52 (84)
46
300 (483)
600-650
175°- 195°F
M819
52 (84)
60+
350 (563)
600-650
175°- 195°F
M819 (w/towed load)
25 (40)
33
300 (483)
600-650
175° - 195°F
M820
52 (84)
60+
350 (563)
600-650
175°- 195°F
M820 (w/towed load)
52 (84)
53
300 (483)
600-650
175° - 195°F
M820A1
52 (84)
60+
350 (563)
600-650
175°- 195°F
M820A1 (w/towed load)
52 (84)
53
300 (483)
600-650
175° - 195°F
M820A2
52 (84)
60+
350 (563)
600-650
175° - 195°F
M820A2 (w/towed load)
52 (84)
52
300 (483)
600-650
175° - 195°F
M821
60 (97)
60+
350 (563)
600-650
175°- 195°F
M821 (w/towed load)
60 (97)
43
300 (483)
600-650
175°- 195°F
Table 1-10. Maximum Road Speed.
TRANSFER IN:
TRANSMISSION IN:
*Low
High
mph (km/h)
mph (km/h)
1st gear
5
(8)
9
(14)
2nd gear
8
(13)
16
(26)
3rd gear
14
(24)
27
(43)
4th gear
22
(35)
44
(71)
5th gear
28
(45)
56
(90)
Reverse gear
5
(8)
9
(14)
l Do not shift transfer into low when vehicle speed is over low range figures.
NOTE
Do not allow engine speed to exceed 2,100 rpm in any transmission gear
ratio. Refer to table 1-11 for recommended engine downshifting RPM data.
1-26 Change 1
