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A trencher is a piece of construction equipment used to dig trenches, especially for laying pipes or electrical cables, for installing drainage, or in preparation for trench warfare. Trenchers may range in size from walk-behind models, to attachments for a skid loader or tractor , to very heavy tracked heavy equipment .
The all-gear walk-behind units were powered by a single-cylinder four-stroke engine, available in a one-wheel model D (1916−195?) and the two wheel model L (1936−1966) and the two wheel model C (1967–1976). Variations of all models included bodywork changes, mechanical changes and color changes throughout their production.
David Bradley was born in Groton, New York on November 8, 1811. [1] After working with his brother, C. C. Bradley, for several years in Syracuse, he relocated to Chicago in 1835.
Patented track rails are engineered specifically for overhead cranes and monorails. [9] [10] Unlike a symmetrical structural rail, the material in a patented track rail is placed where it is most effective allowing for a significant reduction in weight. The rails are engineered to be twice as strong as typical A-36 structural beams and have a ...
Continuous track or tracked treads are a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the weight of the vehicle better than steel or rubber tyres on an equivalent vehicle, enabling continuous tracked ...
Track technology is an industrial material handling system which uses linear motors to move material along a track. It has been variously termed a smart conveyance system, intelligent track system, industrial transport system, independent cart technology, smart carriage technology, linear or extended or flexible transport system, or simply a conveyor or conveyance platform [citation needed].