1850-B Informaiton Hi-Lights


Big Brutus

machine - less ballast (approx.): 9,300,000 lbs.
ballast: 1,700,00 lbs.
working weght (approx.): 11,000,000 lbs.

The shovel is taller than a 15 story office building - 160 feet from the ground to the point sheave at the top of the boom
boom: 150 feet long
dipper handle: 88 feet long
maximum dumping reach: 150 feet
maximum dumping height: 101 feet
maximum digging depth: 69 feet

The power plant provides 7,500 horsepower under normal operating conditions and 15,000 horsepower under peak loads, which is equivalent to power used by a community of 15,000 people.

Four pairs of crawlers, one at each corner of the base, propel the machine. Each pair of crawlers or trucks are powered by a 250 horsepower motor. Each crawler tread is 5'6" wide and weighs 2008 lbs. The gear case for each truck holds 2,200 gallons of gear oil. The normal propelling speed was .22 miles per hour.

1 - operator
1 - oiler
1 - groundman

Size - 58 feet x 79 feet 6 inches. The body revolves on a base, supported by a roller circle 45 feet in diameter, consisting of 90 rollers each 16 inches in diameter.

The machine is supported on the four crawler tracks by gigantic hydraulic jacks which automatically maintain the shovel in a leel working position as it moves over the uneven pit floor. The hydraulic oil was supplied to all four jacks from a central reservoir which has a capacity of 3,200 gallons. The jack cylinders are 42 inches in diameter and have a stroke of 66 inches.

Perios of erection was from June, 1962 to May 1963. A peak number of 52 men were employed to erect the shovel. 150 railroad cars were required to ship all of the component parts of the shovel. The shovel was erected at P&M's mine 19 near Hallowell, Kansas. Big Brutus cost about $6.5 million.

The shovel ran 24 hours a day for 11 years. It ceased operations in April 1974.

The capacity of the dipper is 90 cu. yds. By heaping dirt on the dipper, 150 tons of overburden is handled in one scoop or enough to fill three railroad cars. It took foru cables 3-1/2 inches thick, andpowered by eight 500-horsepower motors, to lift the bucket.



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