Platform Slider Systems

INTRAAX SP AAZ Platform Slider Systems

INTRAAX® SP are platform sliders designed for flatbed and drop-deck trailers. INTRAAX SP AAZ platform slider combines a smooth-sliding "z-rail" profile box and the road-proven INTRAAX® suspension system, extending the benefits of advanced integrated technology to the platform slider market. The AAZ also provides unprecedented weight savings and low-maintenance advantages never before available to this market segment.

Hendrickson recommends reviewing our application guide when choosing the suspension that best meets your needs.  
 L707 Application Guide

INTRAAX SP AAZ Platform Slider Systems

Features and Benefits

  • Tandem axle available in system capacity of 46,000 pounds with axle spreads of 49, 60 and 72 inches
  • Single axle available in system capacity of 23,000 pounds
  • Accommodates I-beam centers of 37, 38, 43 and 44 inches
  • Ride height range from 6.5 to 17 inches

"Z-Rail" Slider Box — High Durability, Less Weight

  • Robust yet lightweight design — as much as 350 pounds lighter than other tandem platform slider boxes
  • Fits neatly between trailer I-beams with locking pins engaging through holes in web of I-beams
  • Comes standard with QUIK-DRAW® fully-pneumatic pin-pull mechanism
  • Driver friendly valve — fingertip operation
  • Increases driver safety and satisfaction while maximizing productivity
  • Automatic reset engages pins when parking brake releases
  • Slides easily on durable slider pads

Low Maintenance and Convenience Save Time and Money

  • Simple, functional design with fewer parts — that means fewer parts to wear out
  • Maintenance requirements minimized
  • QUIK-ALIGN® — fast and easy axle realignment requires no welding or special tools
  • TRI-FUNCTIONAL® Bushings — proven technology for mile after mile of trouble-free service
  • Single source for comprehensive technical support, training and warranty

Performance Plus

  • Lower vertical spring rates deliver superb ride quality
  • Rigid trailing arm, solid axle connection proven to be the most stable design
  • TRI-FUNCTIONAL Bushings optimize ride softness and control
  • Large bore shocks with greater fluid volume, premium seals and bonded bushings for extended life
  • High-capacity air springs with low-operating pressures for rapid air-up
  • Quality-controlled assembly, including ABS sensor testing

Responsive and Consistent Stopping Power

  • Industry's only standard Cam Tube System enhances S-cam alignment and extends life
  • 10-in. S-cam eliminates windup and reduces bushing wear
  • Up to a half inch less stroke required
  • Provides more braking reserve and increases safety — without the cost of long-stroke chambers
  • Lower air consumption, critical for ABS performance
  • Faster application and release cycles
  • Heat-treated components for greater durability

Superior Axle Design

  • Neutral-toe axle improves tire life and mileage
  • Advanced axle wrap and window weld for optimal structural integrity
  • Brake hardware welded to trailing arms rather than axle, minimizing axle stress
  • Spindle and spider mounting surfaces machined after friction welding to ensure precise brake geometry and wheel positioning for maximum brake life and efficiency
  • Wall thickness to match application demands

Worry-Free Integrated Systems From a Single Source

  • 10-year/1,000,000-mile warranty on axle/beam connection
  • 5-year/500,000-mile structural warranty
  • Supported by OEMs, dealers and designated distributors nationwide
  • Backed by Hendrickson's outstanding technical support staff
  • Damaged axles can be quickly replaced, with no grinding or welding
  • Off-the-shelf replacement parts




  • Suspension-through-wheel-end systems ensure low maintenance, reduced weight, durability and a single-source supplier
  • Ease of spec'ing — Hendrickson's Value Package Option matches extended-service hub assemblies with configurations meeting the broad needs of fleets and owner operators
  • Ductile iron and lightweight hub options, including aluminum, offer warranties up to five years
  • Hendrickson Unitized System (HUSTM) provides an industry leading seven-year warranty — reduce your maintenance with this factory cleaned, assembled and sealed for life hub
  • Broad mix-and-match READY-TO-ROLL® offerings let you customize your running gear to meet your specific requirements

Brake Options

  • HXS® (Hendrickson Extended Service) brakes (16.5 x 7-inch and 16.5 x 8.625-inch available)
  • Wide HXS may double mileage between lining changes


  • Available on INTRAAX® SP AAZNT systems
  • Reduces suspension maintenance by
  • eliminating shocks
  • Provides uniform damping levels
  • Offers superior driver comfort, ride quality and cargo protection
  • Robust chain down stop provides maximum durability

Limit Trailer Drop and Walk

  • Manual and automatic dump valve options
          - Limits trailer drop and walk
          - Maintains load on internal bumpers

First Fully-Pneumatic Slider Pin Activation

  • Optionally equipped with QUIK-DRAW® pneumatic pin-pull mechanism
          - Driver-friendly valve — finger-tip operation
          - Increases driver safety and satisfaction while maximizing productivity
          - Automatic reset engages pins when parking brake releases
  • Standard pin release features easy-to-operate lift handle



Model Reference
System Capacity1 (LBS.) Ride Height2 (IN.) Base Model Weight3 (LBS.)
AAZNT 46K 46K 13.5, 14, 15, 16, 17 1,442
AAZNT 23K 23K 13.5, 14, 15, 16, 17 775
AAZL 46K 46K 6.5, 7.5, 8, 9, 12 1,656
AAZL 23K 23K 6.5, 7.5, 8, 9, 12 880

1. Capacity of slider system including axle(s). 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.

3. Weight includes slider, suspension(s), axles, foundation brakes and QUIK-DRAW® pin-pull mechanism for 44-inch wide box with 49-inch axle spacing.


File Name Rev. Date Size

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