crawler

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crawler

[′krȯ·lər]
(mechanical engineering)
One of a pair of an endless chain of plates driven by sprockets and used instead of wheels by certain power shovels, tractors, bulldozers, drilling machines, and such, as a means of propulsion.
Any machine mounted on such tracks.

crawler

References in periodicals archive ?
With its impressive capacity of 300 t the HS 8300 HD from Liebherr is one of the largest duty cycle crawler cranes worldwide.
Stockton, California, a dominant early crawler manufacturer, began building small crawlers like the Caterpillar Ten.
Focused crawlers must calculate the priorities for unvisited links to guide themselves to retrieve web pages that are related to a given topic from the internet.
Insp Gareth Mason said: "Hopefully these cameras will act as a deterrent for kerb crawlers.
The crawler dozers constantly monitor transmission temperature to avoid damage to the hydrostat system.
The crawler itself requires only three special features:
Pieter Mouritsen is currently using the magnetic crawlers for a splash zone project in the Danish part of the North Sea.
The process of identifying the web crawlers is important because they can generate 90% of the traffic on websites [2].
He attributes it to the surge in power and energy projects, which has fueled the demand for mid-range crawlers like the 2250.
Liebherr has set a new world record by putting together a crawler crane with a boom height of 248m, and with a 3,000-tonne rated capacity, the LR 13000 is also the world's strongest conventional crawler crane.
Spinner Crawler On a double-hook setup, with a loop in the worm to make it spin.