Tyler GT® Product PDF Every now and then, a new idea comes along that revolutionizes an industry. Tyler Truss Systems is proud to introduce the new line of Green Truss (GT ®) and accessories. Engineered from the ground up, GT ® Truss is designed with you in mind. Load it up and keep your cases at home. That means less truck weight and less truck space. Once you're there, roll it to the truck and into place. Less setup time and less labor needed.