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Decker Supply offers a complete line of Attenuators; whether it be Truck Mounted Attenuators or Trailer Mounted Attenuators. We have units that meet the NCHRP 350 Test Level 3, along with units meeting the MASH Test Level 3.  Each unit that we carry offers its’ own unique characteristics. Not sure which one is a good fit for you? Please contact us and we would be happy to help!

SS180™

The SS180™ is a truck mounted attenuator, and is NCHRP 350 Test Level 3 compliant while in deployment mode. The SS180™ is comprised of two light-weight aluminum cartridges that are contained in a typically reusable steel support frame. This unit also has a 180 degree tilt feature which folds at the center to stack the two cartridges on top of each other. Minimum support vehicle weight is 16,090 lbs.

SST®

The SST® is a trailer mounted attenuator, and is NCHRP 350 Text Level 3 compliant. This trailer attenuator can be utilized on different host vehicles that can support a 3 point hook up system. The SST is comprised of two light-weight aluminum cartridges contained in a steel support frame. Minimum support vehicle weight is 9,920 lbs.

SS180®M

The SS180™M is a truck mounted attenuator, and is MASH Test Level 3 tested/approved while in deployment mode. The SS180™M is comprised of two light-weight aluminum cartridges that are contained in a potentially reusable steel support frame. This unit also has a 180 degree tilt feature which folds at the center to stack the two cartridges on top of each other. Minimum support vehicle weight is 13,500 lbs.

SMT™

The SMT® is a trailer mounted attenuator, and is MASH Text Level 3 compliant. This trailer attenuator can be utilized on different host vehicles that can support a single point hook up system. The SMT® is comprised of two light-weight aluminum cartridges contained in a steel support frame and heavy duty Torflex® axle and wheels. Minimum support vehicle weight is 12,000 lbs.