TM-9-2520-246-34
TRANSMISSION MODEL 3052, NSN 2520-00-347-4520
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
MAY 1978
TM-9-2520-246-34 - Page 81 of 153
TM 9-2520-246-34
Figure 4-27. Sprag Equipped Transfer Model T-136-21 — Rear View.
(3) Reverse.
When the transmission is shifted into
reverse, the reverse-shaft linkage automatically shifts
from one sprag unit to the second sprag unit and
power is delivered to both front and rear axles.
4-20. Data.
National stock no. . . . . . . . . . . . . . . 2520-00-001-7855
Make . . . . . . . . . . . . . .
Rockwell-Standard-Timken
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T-136-21
Ratios to front axle:
Low . . . . . . . . . . . . . . . . . . . . . . . . . . . 2:137 to 1.000
High
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.078 to 1.000
Ratios to rear axle:
Low . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.980 to 1.000
High
. . . . . . . . . . . . . . . . . . . . . . . . . .
1.000 to 1.000
Gear type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Helical
Companion flange splines (all shafts):
Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
in.
Full depth of splines
. . . . . . . . . . . . . . . . . . . .
2
in.
Number of splines . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Lubricant capacity . . . . . . . . . . . . . . . . . . . . . . . 7 qt
4-20
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