MSHA form 5023 for the following equipment: •Caterpillar (CAT) 785C, 789D, 793C, 793D and 793F model Haul Trucks. •Caterpillar (CAT) 834H, 844H and 854K Rubber Tire Dozers (RTD). •Caterpillar (CAT) 160M Motor Grader.