Heavy & civil

Heavy & civil

Industry: Construction

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Heavy & civil

draft tube

Construction; Heavy & civil

Round steel tube connecting gooseneck to draft arms of a scraper.

drawbar

Construction; Heavy & civil

In a tractor, a fixed or hinged bar extending to the rear used as a fastening for lines and towed machines or loads. In a grader, the connection between the circle and the front of the frame.

drawbar horsepower

Construction; Heavy & civil

A tractor's flywheel horsepower minus friction and slippage losses in the drive mechanism and the tracks or tires.

drawbar pull

Construction; Heavy & civil

The pull a tractor can exert on a load attached to the drawbar. Depends on power, weight, and traction.

The rotary drill bit is a rotating tool that is used to penetrate rock formations. It consists of a body, threaded at the top for attachment to the drill pipe, with three bearingmounted rolling cones ...