TM-9-2520-234-35
POWER TRAIN ASSEMBLY; ALLISON MODEL XTG411-2A
TECHNICAL MANUAL; FIELD AND DEPOT MAINTENANCE MANUAL
JULY 1962
TM-9-2520-234-35 - Page 37 of 323
PAR 7
GENERAL DESCRIPTION AND DATA
CHAP 1, SEC II
Table I. TABULATED DATA - Continued
Power take-offs (XTG 411-2A, 2 on input transfer housing):
Number 1 on front of input transfer housing. . .
Employs input transfer drive gear as
PTO drive gear (6-pitch, 68-teeth,
200 pressure angle); drive gear
rotates at engine speed and direction
Number 2 on centerline of engine . . . . . . . . . .
Rotates counterclockwise (facing
mount) at engine speed; employs
internal spline of engine coupling as
PTO drive (16/32-pitch, 16-teeth, 30°
pressure angle)
Power take-offs (XTG 411-4, 3 on input transfer housing):
Number 1 on front of input transfer housing.
. . Employs input transfer drive gear as
PTO drive gear (6-pitch, 68-teeth,
20° pressure angle); drive gear
rotates at engine speed and direction
Number 2 on centerline of engine . . . . . . . . . .
Rotates counterclockwise (facing
mount) at engine speed; employs
internal spline of engine coupling as
PTO drive (16/32-pitch, 16-teeth, 30°
pressure angle)
Number 3 on centerline of torque converter
(optional) . . . . . . . . . . . . . . . . . . . . . . . . .
Rotates clockwise (facing mount) at
1.64 x engine speed employs internal
spline of converter cover as PTO
drive (16/32-pitch, 16-teeth, 30°
pressure angle)
Oil pumps (5, in 3 assemblies):
Type
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Positive displacement, spur gear
Oil system:
Capacity, initial fill . . . . . . . . . . . . . . . . . . . . Approx 20 U.S. gal
Capacity, refill . . . . . . . . . . . . . . . . . . . . . . . Approx 12 U.S. gal
Capacity, right-output drive . . . . . . . . . . . . . . 1-3/4 U.S. gal
Capacity, left-output drive . . . . . . . . . . . . . . . 3-1/4 U.S. gal
Oil specifications . . . . . . . . . . . . . . . . . . . . . . . . .
MIL-L-2104D; See vehicle lubrication
order for approved grades
Main screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integral wire mesh
Control pressures:
Main pressure (in converter operation):
Neutral, first, second, third . . . . . . . . . . . . 190 to 240 psi
Fourth . . . . . . . . . . . . . . . . . . . . . . . . . . .
118 to 160 psi
Reverse l, reverse 2 . . . . . . . . . . . . . . . . . 300 to 360 psi
Main pressure (in lockup operation):
Neutral, first, second, third, fourth .
. . . . . . . .
118 to 160 psi
Lockup and range clutch apply pressure . . . . . . . . .
Same as main pressure for applicable
range
Change 2
9
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