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Push 'N Pull Cat Scraper
An old used Caterpillar scraper, originally designed to be pulled by a Caterpillar D6 or D7 tractor, works great as an earthmover for Mark Bauer, Faribault, Minn.
Last year Bauer bought the cable-operated 1955 modelfrom a Caterpillar dealer. He removed the rig's cables, as well as pulleys and springs, and replaced them with four hydraulic cylinders. The cylinders let him control the big earthmover from the cab of his 150 hp Deere 7020 tractor.
"A used Cat scraper is bigger, stronger and cheaper than any commercial scraper sold for farm use. I paid $15,000 for my 4-ft. wide commercial scraper while this 7-ft. wide Cat scraper cost about $3,040. In addition, the big 16-ply tires on the Cat scraper keep it from tipping over on our rolling land," says Bauer.
The scraper is 27 ft. long with a 81/2-ft. wide wheelbase and supports a 7.5 cubic yard bucket measuring 7 ft. wide and 47 in. high. The two front tires are 14.00 by 20, and the two rear tires are 16.00 by 12 in. Turning radius is 22 ft.
An 8-in. cylinder with a 42-in. stroke serves as the main lift cylinder for the bucket. Two side cylinders, 3 by 24-in., raise and lower the front gate to set the depth of cut. A fourth cylinder, 4 in. with a 56-in. stroke, operates the push gate that ejects dirt out the front. Maximum depth of cut is 11 in.-Maximum depth of spread is 15 in.
According to Bauer, any 4-WD with 150 hp or more can pull the scraper, which weighs 12,000 lbs. empty. How-ever, a 150 hp tractor has only enough power to fill the bucket about three fourths full. To completely fill the bucket, Bauer pushes on the scraper from the rear with a small Caterpillar. "When the bucket is full, we raise it off the ground and the tractor pulls it up to 12 mph with no problem."
Contact: FARM SHOW Followup,
Mark Bauer, 10936 Cannon City Blvd., Faribault, Minn. 55021 (ph 507 334-7631).

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1988 - Volume #12, Issue #5