actors including: Case, John Deere, Versatile, Agco, New Holland. Articulated Dump Trucks including Volvo, Caterpillar, John Deere, Bell, Terex. 4 x 4 Construction Tractors including Volvo & Bell. Crawler Dozers including Caterpillar and Liebherr. K-Tec manufactures custom hitches for all power unit options.