Machine description: Main Conveyor, - 100’2” (30.5m) long x 42”(1050mm) wide, - Variable angle Troughing Rollers. 3 Roll set x 4” (102mm) dia., - 6” (150mm) Disc return rollers., - 11” (280mm) Tail pulley comp... more info about the 2023 Astec GT42100.