Vocational Front Air Suspension

PARASTEER HD  Vocational Front Air Suspension

Designed for single, dual and tri-steer applications, the Hendrickson PARASTEER HD front air system is built to meet the demands of a variety of vocational and construction applications including concrete, crane, oil field, tank and other specialty trucks. PARASTEER HD is a uniquely designed suspension with no fixed steer axle spacing constraints, providing excellent axle spacing flexibility. This allows the end user, chassis manufacturer and body manufacturer to work together to obtain the optimum weight distribution for the application. Available in configurations up to 20,000 lbs. per steer axle, PARASTEER HD provides outstanding performance, ride quality and handling for tough specialty applications.

PARASTEER HD  Vocational Front Air Suspension

Features and Benefits

  • No fixed steer axle spacing constraints, allowing the axle to be spec’d in the position that best suits the application
  • Air springs equally support one hundred percent of the vertical load, cushioning the driver by isolating impacts from the road and offering more protection to the chassis and equipment
  • Four-bar linkage design maintains correct steering geometry under all conditions, minimizing steering error caused by rough road, hard cornering and braking
  • Dual height control valves adjust to the load, resulting in a constant ride height and comfortable ride
  • System weight remains constant as steer axle spacing increases, offering an increasing weight advantage over competitive systems that require longer or larger components at higher axle spacings
  • Transverse torque rods increase lateral stability
  • Over-sized rubber bushings require no lubrication


Model Capacity Axle Travel1 Off-road Approval Installed Weight2
PS 200HD up to 20,000 lbs.
per axle
4.7 in. Up to 100 percent 1,220 lbs. per
dual-steer system

1. Travel may be limited by vehicle manufacturer; axle stop settings and shock stroke may restrict suspension's articulation. Varying ride heights and configurations may restrict travel.

2. Installed weight includes complete suspension with transverse torque rods, front and rear cross members, axle seats and all suspension hardware.


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