The AANLS 20K extends all of the durability, low maintenance and low weight advantages of INTRAAX® to trailers requiring a highly compact, low ride height
suspension system. Designed for performance on autohaulers, moving vans,
drop-frames, high-cube vans and pup vans, the AANLS 20K delivers an air ride
package that is more than 120 pounds per axle lighter than comparable suspensions.
Single axle available in system capacity of 20,000 pounds
Tandem axle spreads up to 60 inches, tri- or quad-axle spreads up to 144
inches maximum total spacing
Ride heights of 6.25, 7, 9 and 12 inches
Shortened trailing arms provide a compact profile, ideally suited to the
tight confines of autohaulers and drop framesChoice of 15-inch brakes
(needed for 19.5-inch tires) or the conventional 16.5-inch brakes (used with
22.5- and 24.5-inch tires)
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
TRI-FUNCTIONAL® 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
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 mileage and tire life
Patented 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
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INTRAAX Model Reference
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System Capacity1 (LBS.) |
Ride Height2 (IN.)
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Base Model Weight (LBS.) |
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AANLS 20K |
20K |
6.25, 7, 9, 12 |
526 |
1. Capacity refers to suspension and axle ratings. Ratings for brakes and
wheel-end components differ depending upon options chosen.
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.
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