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Excavators are heavy construction equipment primarily consisting of a boom, dipper (or stick), bucket, and cab on a rotating platform known as the "house". [ 1 ] The modern excavator's house sits atop an undercarriage with tracks or wheels , being an evolution of the steam shovel (which itself evolved into the power shovel when steam was ...
The Galion Iron Works Company of Galion, Ohio, was founded by David Charles Boyd and his three brothers in 1907.In its early years, the Galion produced a wide range of road-building and other construction equipment, such as drag scrapers, plows, wagons, stone unloaders, rock crushers, and a variety of other "experimental machines".
Manitowoc Cranes is a division of The Manitowoc Company, Inc.Manitowoc Cranes produces five brands of cranes: Grove, National Crane, Shuttlelift, Manitowoc, and Potain.In addition, Manitowoc has two distribution businesses based in the U.S.: Aspen Equipment and MGX Equipment Services (formerly H&E Equipment Services' crane business).
The Fruehauf trailer company introduced revolutionary inventions to trucking and transportation with hydraulic dump trailers, bulk tanker trailers, and automatic fifth-wheel couplings among their more than one thousand patents, including the shipping container in 1956. Expanding across the country, Fruehauf had 16 plants and more than 80 ...
Factory-calculated charts (or electronic safeguards) are used by crane operators to determine the maximum safe loads for stationary (outriggered) work as well as (on-rubber) loads and travelling speeds. Truck cranes range in lifting capacity from about 14.5 short tons (12.9 long tons; 13.2 t) to about 2,240 short tons (2,000 long tons; 2,032 t).
A hydraulic lock can occur in steam engines due to steam condensing back into water. In most steam engine designs there is a short time at the end of the return stroke of the piston when all the valves are shut and it is compressing any remaining steam.
The truck was hit again, but this time the piece of debris was much bigger, the impact much harder, and the the truck flipped. Ingram crammed his hands under a plastic band around the yellow pipes ...
A mobile crane is a cable-controlled crane mounted on crawlers or rubber-tired carriers or a hydraulic-powered crane with a telescoping boom mounted on truck-type carriers or as self-propelled models. [1] They are designed to easily transport [2] to a site and use with different types of load and cargo with little or no setup or assembly.