QUAANTUM™ FX

A new era of virtually maintenance-free integrated suspension systems engineered and manufactured for durability and weight savings. Available in a variety of models for vocational trailer applications up to 25,000 pounds, QUAANTUM FX5 and FX7 systems are designed to help increase uptime, reduce maintenance and provide superior performance.

Available in suspension capacities of 20,000, 23,000 and 25,000 lbs. per axle
  • Versatility that fits your specific hauling needs

  • Ride heights from 6.25 to 19 inches
  • A ride height for virtually any application

  • P90 Spindle
  • Lightest parallel spindle in the industry
  • Can accommodate both wide-base and dual-tire applications

  • PRECISION320™ Nut System
  • Enables ultra-precise factory installation and elevates bearing performance

  • Standard HXS Brakes
  • Hendrickson Extended Service™ (HXS®) brakes extend both brake component and service life

  • Self-centering hubcap with radial o-ring seal
  • Allows for the use of a hubodometer or alignment tool without jeopardizing the wheel seal

  • The straightest axles in the industry
  • Maximize tire life and improve mileage

  • QUIK-ALIGN® pivot connection
  • Improves axle alignment

  • Long-life shock absorbers and air springs
  • Provide years of dependable service

  • FX5

    Features the HNP™ wheel end
  • The first new hub / spindle design in over 40 years

  • HNP is completely rebuildable

    HNP incorporates twin "N" inner bearings and "R" seal
  • "N" inner bearings provide a consistent and accurate bearing setting
  • "R" seal is Teflon coated

  • ADI (Dura-Light) hub for durable yet lightweight solution
  • Patent-pending fill port technology

  • Exclusive 5-year limited warranty (parts and labor)
  • Suspension + long-life shocks + long-life air springs + brakes + HNP wheel ends

  • FX7

    Features the Hendrickson Unitized System™ (HUS®) wheel end
  • The industry's only 23K unitized wheel end

  • Virtually maintenance free
  • No more seal or bearing replacement

  • Thrust washer
  • Keeps contaminants out during installation

  • HUS wheel end pre-assembled and sealed for life
  • State-of-the-art seals designed and fitted to prevent damage during wheel-end installation
  • High-performance synthetic grease

  • Includes WEM (Wheel End Monitoring) device
  • Designed to constantly monitor the condition of the wheel bearings
  • Allows raceway spalling to be checked with a magnet, LED indicates presence / absence of spalling

  • Industry exclusive 5 / 7 year limited warranty
  • 5 year warranty on suspension + long-life shocks + long-life air springs + brakes
  • 7 year warranty on the HUS wheel end

  • QUAANTUM
    Model Reference
    Suspension
    Capacity (LBS.)
    Axle Rating1 (LBS.) Ride Height2 (IN.) Base Model Weight
    (LBS.)
    FX5 20NLS 20K 20K 6.25, 7, 9, 12 647
    FX7 20NLS 20K 20K 6.25, 7, 9, 12 674
    FX5 23NT 23K 23K 12, 14, 15, 16, 17, 19 591
    FX7 23NT 23K 23K 12, 14, 15, 16, 17, 19 618
    FX5 23NL 23K 23K 6.5, 7.5, 8, 9, 12, 14, 15, 16, 17, 19 619
    FX7 23NL 23K 23K 6.5, 7.5, 8, 9, 12, 14, 15, 16, 17, 19 646
    FX7 25T 25K 25K 13.5, 14, 15, 16, 17, 18, 19 701
    FX7 25L 25 25 6.5, 7.5, 8, 9, 12, 14, 15, 16, 17, 18, 19 745
    1. Axle structure rating only. Brakes, wheels and tires rated separately.

    2. Suspension ride heights must be set within Hendrickson specifications in order to provide load equalization among axles and to ensure proper suspension performance. Failure to maintain proper ride height settings can lead to suspension, axle or trailer damage.