Single-Axle Rear Air Suspension

Features & Benefits

Shock Absorber

  • Tuned for optimum damping characteristics to provide maximum driving comfort
  • Protects air springs during rebound

Height Control Valve

  • Fast acting valves maintain precise ride height control through changing road surfaces, loads and driving conditions

TRAXX ROD™ – Torque Rods

  • Fabricated heavy-duty torque rods provide greater durability over conventional rods
  • Enhances handling during cornering by controlling lateral forces to maintain axle position
  • Exceptional bushing walk-out performance
  • Multiple lengths without tooling available


Air Spring

  • Adjusts to changing load conditions to deliver superior ride quality

Axle Connection

  • Designed for secure axle connection and axle integrity
  • No welding required

Main Support Member

  • Efficiently designed for optimized roll stiffness and durability
  • Provides neutral roll steer for better handling

Frame Hanger Bracket

  • Wide footprint distributes load over a larger area for reduced frame stress

Drawing on over 100 years of innovation, superior design and quality manufacturing, Hendrickson delivers COMFORT AIR®, providing outstanding passenger and driver comfort along with exceptional handling characteristics for highway applications.


Capacity Axle Configuration Ride Height* Ground Clearance
9.5 t Single 194-210 mm 190 mm
13 t Single 230-260 mm 190 mm
19 t Tandem 194-210 mm 190 mm
26 t Tandem 230-260 mm 190 mm
All applications must comply with applicable THSL specifications and must be approved by the respective vehicle manufacturer with the vehicle in its original, as-built configuration.For additional details regarding specifications, applications, capacities, and service maintenance instructions, contact THSL.

Actual product performance may vary depending upon vehicle configuration, operation, service and other factors.

* For different ride height options, contact THSL