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Trailer > Wheel-end & Brakes > Air Disc Brakes

Hendrickson addresses the industry's demand for an advanced trailer air disc brake with it's proprietary MAXX22T™ air disc brake system. 

Hendrickson MAXX22T offers significant weight savings over similar designs.  Additional weight savings can be achieved with Hendrickson’s latest addition to the MAXX22T line up – the Dura-Light Hub®.

Hendrickson also offers a full range of air disc brakes for wheel sizes varying from 17.5- up to 24.5-inches for trailer commercial vehicle systems.

Air disc brake packages are available as premium options on many of Hendrickson’s INTRAAX®, INTRAAX-SP, VANTRAAX® and ULTRAA-K® integrated suspension systems and TRLAXLE® non-integrated axles.

*Note:  Please refer to the suspension and non-integrated axle ordering guides to spec an air disc brake system today.

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Understanding Your Brakes: White Paper Now Available

When placed in the correct operating environment, air disc brakes can be used successfully on today’s modern commercial vehicle. Sizing the brake to meet the specific load carrying requirements of the trailer can improve the vehicle’s average stopping distances. Distributing the work properly between the tractor and trailer can minimize thermal overload of the trailer brakes making a more robust wheel end that can result in longer service intervals.
 

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Air Disc Brake Approval

Do you want to spec air disc brakes on your trailer application? Begin the quoting process by completing Hendrickson’s online air disc brake approval application to receive instant feedback and approval for specific ADB applications.

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AIR DISC BRAKE PACKAGE SPINDLE ROTOR/WHEEL SIZE HUB MATERIAL CHAMBER
Hendrickson MAXX22T™ HN or HP 415mm / 22.5" and 24.5" Ductile Iron / Dura-Light Hub® WABCO 18/24
WABCO PAN22-1 HN or HP 430mm / 22.5" and 24.5" Ductile Iron / Aluminum WABCO 20/24
Knorr/Bendix ADB22X HN or HP 430mm/22.5" and 24.5" Ductile Iron / Aluminum Knorr 18/24
WABCO PAN19 HN or HP 375mm/19.5" Ductile Iron WABCO 16/24
WABCO PAN17 HN 325mm/17.5" Ductile Iron WABCO 18/24

Contact your Hendrickson representative for a complete listing of RTR® READY-TO-ROLL® options. TIREMAAX® tire inflation system is also available as an option with all air disc brake packages.

Actual product performance may vary depending upon vehicle configuration, operation, service and other factors.

 

Hendrickson suspensions and axles available with air disc brakes (ADB)

 
Suspension / Axle Models Availability
22.5/24.5 inches 19.5 inches 17.5 inches
INTRAAX®
AANT, AANLS, AANL, AAL, AAEDL, AAEDT
INTRAAX®-SP
AAZNT
VANTRAAX®
HKANT, HKAT, HKARL
ULTRAA-K®
UTKNT
Integrated Beam to Axle
B2AHT
TRLAXLE®

1. Hendrickson MAXX22T not available on the following models: AAEDT 30K / AAEDL 30K.
2. WABCO PAN17 available on HT250U suspension with TRLAXLE, 6.5-inch ride height and limited tracks only.

Suspension / Axle Models Availability
Unique HCV Rear Mounted Shocks
INTRAAX®
AANT23K
AANLS 20K / AANL 23K
AAT 23K, 25K, 30K
AAL 23K, 25K, 30K / AAEDT 30K / AAEDL 30K
INTRAAX®-SP
AAZNT 23K, 46K
VANTRAAX®
HKANT 23K, 40K, 46K / HKAT 50K

3. ADB OK on the following models without SURELOK ®: AAT 23K, 25K, 30K / HKAT 50K / HKAT 69K25 / HKARL.