2021-9-17 · Operator''s Manual for Crusher, Jaw, Diesel and Electric Driven, Wheel Mounted, Pneumatic Tires, 75 Ton Per Hour, Model 5157 and 5157A (NSN 3820-00-783-7311), Model 5157B (NSN 3820-00-880-0540), Component of Crushing and Screening Plant, Diesel and Electric Driven, Wheel Mounted, 75 Ton Per Hour- 1991