Figure 4-27. Sprag Equipped Transfer Model T-136-21 -- Rear View.

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

Ratios to rear axle:

from one sprag unit to the second sprag unit and

Low . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.980 to 1.000

power is delivered to both front and rear axles.

High . . . . . . . . . . . . . . . . . . . . . . . . . . 1.000 to 1.000

4-20. Data.

Gear type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Helical

National stock no. . . . . . . . . . . . . . . 2520-00-001-7855

Companion flange splines (all shafts):

Make . . . . . . . . . . . . . . Rockwell-Standard-Timken

Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T-136-21

Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 in.

Full depth of splines . . . . . . . . . . . . . . . . . . . . 2 in.

Ratios to front axle:

Number of splines . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Low . . . . . . . . . . . . . . . . . . . . . . . . . . . 2:137 to 1.000

Lubricant capacity . . . . . . . . . . . . . . . . . . . . . . . 7 qt

High . . . . . . . . . . . . . . . . . . . . . . . . . . 1.078 to 1.000

4-20