The ALPHA 70K TMA® is a truck mounted attenuator used on stationary or mobile support vehicles with a minimum weight of 11, 025 lbs. (5, 000 kg). The crushable aluminum body and galvanized steel frame help prevent vehicles from under riding the support truck. It is designed to absorb rear-end impacts up to 70 km/hr and is NCHRP Report 350 Test Level 2 compliant. 

In stock

Features & Benefits

  • Tested to NCHRP 350 TL-2 (impacts up to 70km/hr)
  • Tapered noise minimizes corner damage 
  • Hydraulic system tilts to 90° for storage
  • Hydraulic cab controls allow cartridge to be lowered by driver
  • Rear jack helps with cartridge removal 


For system:

  • 990 lbs. – 1,200 lbs. (450 kg – 550 kg) depending on model
  • 11,025 lbs. (5,000 kg) minimum support vehicle weight

Cartridge only:

  • 8.4′ (L) x 7′ 9″ (W) x 22.5″ (H)

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