81 EUCLID SUSPENSION FIELD MANUAL
PETERBILT: FLEX AIR
Identifiable by the unique curved flex spring visible
between the wheels. (PG 22–23)
SAF HOLLAND: AD-123 (NEWAY)
Identifiable by the long curved equalizer beam assembly.
This beam is connected to the opposing equalizer beam
by a transverse beam assembly that supports the air
springs. (PG 68–69)
REAR TRUCK AIR SUSPENSION
PETERBILT: AIR TRAC
The leaf spring is not attached to the hanger as it slides
within the hanger on a wear pad. The torque arm mounts to
the hanger immediately below the spring connecting to the
axle. (PG 18–19)
PETERBILT: AIRGLIDE 210
Identifiable by the shorter hanger with the spring eye
bushing mounted to the rear of the hanger. The genuine
hanger typically has "Paccar" cast into the part.
(PG 20–21)
PETERBILT: AIR LEAF
Identifiable by the unique mounting method for the spring.
There are two bolts that connect the spring to the hanger. The
bolts are located below the spring on the Air Leaf and there is
no torque arm connecting the hanger to the axle. (PG
16–17)
