Integrated Front Suspension and Steer Axle System


SOFTEK® is an integrated front suspension and robotically welded steer axle that work together to form an integrated torsion system. This lightweight system delivers enhanced ride, stability and handling characteristics while reducing weight and maintenance. SOFTEK utilizes STEERTEK, Hendrickson's fabricated, box-section front steer axle. STEERTEK is also available with the AIRTEK front air suspension.


Model Rating
(LBS.) 1
Axle Axle
Weight 2
Drop 3 
SOFTEK 8,000 238 STK 12,000 277 4.25" 69.00"
SOFTEK 9,000 268 STK 12,500 277 4.25" 69.00"
SOFTEK 10,000 280 STK 13,200 301 4.25" 70.87"
SOFTEK 12,000 238 STK 12,000 277 4.25" 69.00"
SOFTEK 12,500 268 STK 12,500 277 4.25" 69.00"
SOFTEK 13,200 280 STK 13,200 301 4.25" 70.87"
SOFTEK 14,600 280 STK 14,600 301 4.25" 70.87"

SOFTEK is rated for up to 10% off highway, other applications must be pre-approved by both Hendrickson and vehicle manufacturer. This system is anti-lock braking system (ABS) ready. STEERTEK (STK) is compatible with industry standard wheel ends and brakes. Contact Hendrickson or vehicle manufacturer for availability.

1. Suspension weight includes frame hangers, main springs, bushings, shocks, upper shock brackets and axle attachment hardware. Weight may vary depending on vehicle. Contact Hendrickson or vehicle manufacturer for final weight.

2. Axle weight includes the axle beam, knuckle/steering arm assemblies and tie rod assemblies (brakes not included).

3. Axle beam drop is measured from the king pin intersection to the top of the axle beam.

Features & Benefits

Superb Ride

  • Optimized leaf spring design and premium shocks result in an outstanding ride.

Stability and Handling

  • Leaf spring assembly forms torsion system with box section axle, enhancing roll stability characteristics.

Weight Savings

  • The unique design of the STEERTEK axle contributes to a lightweight design


  • Durable rubber bushings require no lubrication.

Reduced Maintenance

  • Unique two-piece knuckle design eliminates the need to remove the kingpin to service the knuckle.

Up to 55 Degrees of Wheel Cut

  • Superior maneuverability in tight spaces, such as school parking lots, city streets, gas station and camp grounds.


About Us

Hendrickson is a leading manufacturer and supplier of premium bus chassis components to global bus markets.

Our legacy embodies over 100 years as the leading innovator and manufacturer of suspension systems and components for the global transportation industry.

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Hendrickson Bus
800 South Frontage Road
Woodridge, IL 60517