TMA Truck – Truck Mounted Attenuator Truck

What is a TMA Truck?

A TMA Truck is designed to save lives in your work zone. All of our TMA trucks for sale are built to meet all work zone safety requirements, is intended to absorb the impact of a high (or low) speed crash, decrease damage made to the vehicle, and save workers’ lives. We are proud of every truck we build. See all of our attenuator trucks for sale today!

Over the years, we have learned to never settle for a design. Royal is committed to constant improvement, which means our best truck is always the next one we build. Today, Royal’s TMA Truck is considered the model design. We have been fortunate to earn this title through years of engineering our customer feedback right into our custom-built models. Thank you for keeping us at the forefront of this market.

Don’t forget, your TMA truck needs regular maintenance!  Check out our step-by-step videos that show you everything you need to do to maintain your trucks!

TMA1 Truck

Royal Attenuator Trucks for Sale


  • Custom built steel flatbed with heavy duty bulkhead, LED marker lights and black non-skid deck
  • 2 Low-profile (Amber) LED strobes on bulkhead, 2 rear mounted strobes
  • Truck mounted attenuator meets NCHRP 350 at 100kph (62mph), Testing standards available upon request, Your choice of a new MASH approved unit
  • 15 or 25 LED lamp arrow board, fixed or hydraulically raised & lowered, solar panel charging system with battery and cab-mounted remote (Solar for arrow board only)
  • To keep a modular design, blanks are added to allow for future man bucket installations.
  • Equipped with rubrails and stake pockets for future racks
  • 2 Back-up cameras with 7” LCD monitor, audio, 3 Video inputs, Durable outdoor cameras with audio and cables (1 year warranty)
  • Choice of body length: 15′, 18′, other body lengths available upon request

TMA3 Truck


  • All TMA1 features plus the additional features below
  • (2) Side 33″ wide man buckets with steps, Heavy duty lids, Swing gates, Props and Adjustable safety hoop
  • 8 Additional LED work lights (6 under-the-bed, 2 on bulkhead)
  • Custom fabricated 36″ high removable racks – Powder coated yellow
  • Choice of body length: 15′, 18′ or custom
Royal TMA Truck

TMA4 Truck

Royal TMA Trucks for Sale


  • All TMA3 features plus the additional features below
  • (2) Side 60″ wide man buckets with steps, HD lids, Swing gates, Props, Adjustable safety hoop and locking toolbox
  • Minimum body length: 18′, extended body lengths available upon request



  • Designed for cities, counties and urban areas with posted speeds of 50 mph (80 kph) or less
  • Fits on trucks as small as an F550
  • Attenuator stows completely vertically
  • The only TL-2 Plus TMA that is MASH Tested, Passed and Eligible
Royal Metro TMA Truck


Click the button to place your order! Let us know what type of truck you’d like to start with.