SS90™ HD

The SS90™ HD is a heavy duty, truck mounted attenuator used on stationary or mobile support vehicles with a minimum weight of 16,090 lbs. (7,300 kg). The system is made of galvanized steel and utilizes replaceable, energy absorbing cartridges to safely stop vehicles during rear-end impacts. The SS90 HD is easy to set-up using four hand cranks and features an alert buzzer to notify users when the unit is properly deployed. It is designed to absorb impacts up to 100km/ hr and is NCHRP Report 350 Test Level 3 compliant.

In stock

Features & Benefits

  • Alert buzzer assists with proper deployment
  • Socket hitch and tailgate mount options
  • Tested to NCHRP 350 TL-3 (impacts up to 100 km/hr)
  • Black and yellow powder coated systems available upon request.
  • Accessible hydraulic pumps and reservoirs allow for easier maintenance and repairs
  • Custom lighting systems available in 12V, 24V, Incandescent or LED systems.
  • In the cab “push-to-activate” function raises and lowers the unit (for storage and transport)
  • Designed to help minimize damage from low-speed nuisance hits up to 6 mph (10 km/h)
  • Galvanized, potentially reusable steel frame and cartridges.


  • 7’ 9″ (2.36 m) width
  • 1,996 lbs. (906 kg)
  • 12″ (3,055 mm) road clearance
  • 13’ 2″ (3.98 m) length from truck
  • 16,090 lbs. (7,300 kg) minimum support vehicle weight

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