HN® Series

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.


Model Capacity
Installed1 Weight
Site travel2 Rating
HN 402 40,000 935 55,000 73,000  160,000
HN 462 46,000 948 60,000 80,000  190,000 
HN 522 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.

Features & Benefits


About Us

Hendrickson Defense is a leading manufacturer and supplier of premium defense suspension components to global markets.

Our legacy embodies over 80 years as the leading innovator and manufacturer of suspension systems and components for the global heavy-duty vehicle industry.


Hendrickson Defense
800 South Frontage Road
Woodridge, IL 60517