Group 72 Design and Function
Parabolic Spring Leaves
The parabolic spring leaves are mounted upside down
and outside of the frame rails. They are fastened to the
spring cradle and provide the lightweight suspension with
excellent ride characteristics. This design contributes to
axle flexibility while maintaining contact to the ground for
pulling power.
Note: When replacing Parabolic Spring Leaves, the
leaves on both sides should be replaced. When replacing
the leaves also ensure that the leaves are marked with
the same Camber Settings (+ or
0
).
W6001341
Rubber Springs
The rubber springs support the leaf spring assembly and
contribute to a flexible and comfortable ride. The rubber
springs allow for minimum wear on the suspension by
absorbing a considerable amount of shock and vibration
for the suspension.
W6001343
V-Stay Torque Rods
The V-Stay torque rods distribute movement and keep the
axles in place. They are fastened from the inner frame
rails and to the top of the axle housings. They distribute
and maintain laterally transmitted forces, as well as any
starting or braking torques. The outer joints of the V-Stay
torque rods are maintenance free.
W6001334
Reaction Rod
(Lower Torque Rod)
There are four lower torque rods and they are used to
distribute starting and braking forces. The outer joints
are also maintenance free. The axle pinion angle can be
controlled by the reaction rods.
W6001335
13
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