Rocklabs Boyd Crusher Manual (PDF)
Crusher, Jaw, Diesel and Electric Driven, Wheel Mounted, Pneumatic Tires, 75 Ton Per Hour, Model 5157 and 5157A (NSN 3-7311), Model 5157B (NSN 0-0540), Component of Crushing and Screening Plant, Diesel and Electric Driven, Wheel Mounted, 75 Ton Per Hour,1991
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