EXTREME DOCUMENTARY Extreme Machine !!! Largest Machines & Most Powerful Dangerous Extreme Machines
Автор: Extreme Machines News
Загружено: 2018-04-23
Просмотров: 64064
Описание: Another extreme documentary about the great extreme machines in the world. Excavators (hydraulic) are heavy construction equipment consisting of a boom, dipper (or stick), bucket and cab on a rotating platform known as the "house".[1] The house sits atop an undercarriage with tracks or wheels. They are a natural progression from the steam shovels and often mistakenly called power shovels. All movement and functions of a hydraulic excavator are accomplished through the use of hydraulic fluid, with hydraulic cylinders and hydraulic motors.[2] Due to the linear actuation of hydraulic cylinders, their mode of operation is fundamentally different from cable-operated excavators which use winches and steel ropes to accomplish the movements.[3]
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