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Caterpillar service manual 657 tractor-scraper
ITEM: Caterpillar Service Manual 657 Tractor-Scraper
SERIAL NUMBERS: 31G1-UP 19G1-UP
COMMENTS: This manual contains sections Engine, Starting Engine, Power Transmission Units, Air System & Brakes, Hydraulic System & Steering, Hydraulic System & Steering, Seat Fuel Tank & Miscellaneous, Hydraulic Scraper, Scraper Engine, Scraper Power Transmission Units