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HA4^™

Four Air Spring Suspension Systems

Designed for single drive tractors or rigid units, the HA4™ uses four air springs to deliver both an exceptionally soft ride and excellent handling.

Capacity: Single axle: 11.5t to 13t Dual axle: 17t
Application: For tractor and rigid truck applications.

Features and Benefits

Very low frequency (1.25 Hz) operation protects load, vehicle, and driver from road shocks
Suspension is completely non-reactive: wheel hop is eliminated, braking performance is improved, tyre life is increased; suspension is ideal for high-torque engines
Axle is secured by an "A" frame that controls fore, aft, and sideways movement, while permitting full vertical and roll axle travel
Lightweight, high-strength tubular anti-roll bar is mounted in rubber bushings

Specifications

GCW	44t
Drive axle loads	11,5t
Ride height	200 mm
Frequency	1.25 Hz
Vertical stiffness	66.25 kg/mm
Roll stiffness	680 kg m/deg
Axle travel	+130/-80 mm
Chassis width	790 mm - 880 mm
Kit weight¹	230 kg
Suspension operating pressure	5.92 bar

¹Not including cross members, axle seats or pillar pin.

Literature

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HA4^™

Four Air Spring Suspension Systems

Features and Benefits

Specifications

Literature

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