VariRate® Spring Suspension System

HN VariRate Spring System

The HN® is designed to reduce weight and improve ride quality without sacrificing durability and stability in vocational applications. The VariRate® Spring System provides a unique balance between unloaded ride quality and loaded stability and eliminates the need for center bushings, making the HN maintenance-free. The HN offers significant weight savings versus competitive suspensions.

HN VariRate Spring System

Features and Benefits

  • Lightweight construction allows for increased payload capacity without sacrificing durability
  • VariRate® Spring System offers a combination of superior ride and roll stability
  • No lubrication requirements and elimination of center bushings make the HN virtually maintenance-free
  • Equalizing beam design delivers long service life and 17 inches of articulation when loaded for excellent off-road mobility
  • Bar pin beam end connections extend bushing life and allow easy axle alignment capability for increased tire life
  • Hendrickson genuine torque rods enhance handling during braking and cornering
  • Integrated shock absorbers eliminate axle hop and improve ride quality
  • Ideal for use with multiple lift axles where suspension weight is critical


Model Capacity
Installed1 Weight
Site travel2 Rating
HN 40K 40,000 935 55,000 73,000  160,000
HN 46K 46,000 948 60,000 80,000  190,000 
HN 52K 52,000 955 65,000 80,000 245,000

1. Installed weight is for 54-inch axle spacing and includes complete suspension, torque rods, axle brackets, shock absorbers and frame brackets.

2. SITE TRAVEL RATING - Operators using vehicles equipped with liftable tag or pusher axles must not exceed published ratings. Ratings are limited to no more than 5% of vehicle operation at speed not to exceed 5 mph. Liftable tag or pusher axles should only be raised (or unloaded) to improve vehicle maneuverability in off-road use or when vehicle is unloaded. Site travel ratings are consistent with published axle manufacturer's limitations. Axle and suspension site travel ratings cannot be exceeded.

3. May be limited by vehicle manufacturer.


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