Subaru XT 1988 Service Manual page 525

AUTOMATIC TRANSMISSION AND DIFFERENTIAL
3-2
3-3 Transmission
The planetary gear train uses two sets of simple planetary
gears (front planetary gear and rear planetary gear), four sets
of multi-plate clutches (reverse clutch, high clutch, forward
clutch, and overrunning clutch), one brake band, one set of
Brake band
Forward cl utch
Input
High clutch hub
Front sun gear
Fig. 14
11
multi-plate brake, and two sets of one-way clutches (one-way
clutch 1-2 and one-way clutch 3-4) in order to allow shifting
of four forward speeds and one reverse speed.
Overrunning clutch
Low
&
Rev. brake
One-way clutch (3-4) One-way clutch (1-2)
Front planetary gear
Rear planetary gear
L3-594