INTRAAX® AAT

Fully Integrated Top-Mount Air Suspension/Axle/Brake System

INTRAAX AAT 23K/25K/30K

Worldwide, OEMs, fleets and owner operators put their trust in INTRAAX®. INTRAAX continues to prove its reliability and performance, piling up thousands of miles on tens of thousands of trailers worldwide every year. With a reputation for low maintenance and durability, INTRAAX costs less to operate over the long haul and helps keep rigs on the road longer. The versatile AAT 23K / 25K / 30K models are ideal for platforms, tankers, dumps, grain hoppers and specialty trailers – on-highway or off road.

Hendrickson’s exclusive ZMD® ride technology is now available as an option on select models.

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

INTRAAX AAT 23K/25K/30K

Features and Benefits

  • Available in suspension capacities of 23,000, 25,000 and 30,000 lbs. per axle
  • Ride heights from 13.5 to 19 inches
 

Low Maintenance and Convenience Save Time and Money

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

Performance Plus

  • Low spring rates deliver superb ride quality
  • Rigid trailing arm, solid axle connection proven to be the most stable design
  • Pivot 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 mileage and tire life
  • 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

Specifications

INTRAAX
New Model Reference
INTRAAX
Old Model Reference
Suspension
Capacity (LBS.)
Axle Rating1 (LBS.) Ride Height2 (IN.) Base Model Weight
(LBS.)
AAT 23K AA230T 23K 23K 13.5, 14, 15, 16, 17, 19 528
AAT 25K AA250T 25K 25K 13.5, 14, 15, 16, 17, 18, 19 551
AAT 30K AA300T 30K 25K 13.5, 14, 15, 16, 17, 18, 19 555

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.

Literature

File Name Rev. Date Size

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