HTB® LT

Lightweight, non-torque reactive, on-highway, rear air suspension

HTB LT Lightweight Non-torque Reactive Rear Air Suspension

Weighing up to 275 pounds less than a typical 40,000-pound capacity suspension, Hendrickson's HTB® LT sets a new weight standard for drive-axle suspensions. The patented, non-torque reactive design helps deliver quiet, smooth operation with today’s high-torque engines without any torque restrictions. By controlling suspension windup and frame rise, HTB LT helps maximize the life of U-joints, pinion bearings, and other driveline components. Unlike other suspensions that carry the vertical load on a combination of steel and air springs, HTB LT rides on a full cushion of air. This unique design delivers exceptional ride, outstanding durability and reduced maintenance - factors that are important to owners and operators alike.

HTB LT Lightweight Non-torque Reactive Rear Air Suspension

Features and Benefits

Lightest in Class

  • Unique design and components make HTB LT reliable and rugged, as well as the lightest suspension in its class. Weighing just 700 pounds, HTB LT saves up to 275 pounds compared to industry standard 40,000-pound capacity suspensions.
 

Optimized Ride

  • HTB LT improves ride by as much as 34 percent over typical trailing-arm suspensions by supporting the entire load on large volume air springs. HTB LT also has a highly optimized motion ratio since the air spring and axle travel at the same rate.
 

Non-torque Reactive

  • HTB LT’s parallelogram design significantly controls suspension windup and corresponding frame rise. Maintaining pinion angles throughout axle travel reduces suspension induced driveline vibration and extends component life.
 

Reduced Maintenance

  • Zero Lubrication — all pivot points come equipped with premium rubber bushings requiring no lubrication. Torque box bushings are designed for long life.
  • Reduced Re-torque — Re-torque of the clamp group is reduced because no twisting is applied to the clamp group.

Specifications

  HTB 20K1 HTB 40K1
Capacity 20,000 LBS. 40,000 LBS.
Installed Weight 456 LBS. 700 LBS.
Off-highway Rating 10%
Axle Configuration Single Tandem
GVW Approval 33,000 LBS. 55,000 LBS.
GCW Approval 60,000 LBS.. 120,000 LBS.
Ride Heights 8.0" to 10.0" 8.0" to 10.0"
Axle Spacing  N/A 52"
Applications2  
  General Freight (Van, Flatbed) Yes Yes
  Refrigerated Yes Yes
  Car Carrier Yes Yes
  Bulk Hauler (Liquid, Dry) Yes Yes
  Beverage Yes Yes
  Dump3 No Yes

1. All specifications and applications apply to pre-production HTB models only. This information may change for production HTB models. All applications must comply with applicable Hendrickson specifications and must also be approved by the respective vehicle manufacturer with the vehicle in its original, as-built configuration. Contact Hendrickson and the respective vehicle manufacturer for approval of additional applications.
2. These are indicative of typical applications. Please contact your dealer or a Hendrickson service representative before using suspension on other applications.
3. Not for rock-body or mobile mix applications.

Literature

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