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2. Tractor PTO auger - Wikipedia

   en.wikipedia.org/wiki/Tractor_PTO_auger

   This in turn will provide power to the Tractor PTO Auger's gearbox. Most modern [1] Tractor PTO Auger gearboxes come standard with a shear bolt to protect the gear drive if the auger encounters an obstruction such as rock during drilling a hole. Tractor PTO Augers connect via 3 point hitch to subcompact tractors and mid-size tractors. [2]

3. Post hole digger - Wikipedia

   en.wikipedia.org/wiki/Post_hole_digger

   A post hole clam-shell digger, also called post hole pincer or simply post hole digger, is a tool consisting of two articulated shovel-like blades, forming an incomplete hollow cylinder about a foot long and a few inches wide, with two long handles that can put the blades in an "open" (parallel) position or a "closed" (convergent) position.

4. Earth auger - Wikipedia

   en.wikipedia.org/wiki/Earth_Auger

   A post-hole auger. An earth auger, earth drill, or post-hole auger is a drilling tool used for making holes in the ground. [1] It typically consists of a rotating vertical metal rod or pipe with one or more blades attached at the lower end, that cut or scrape the soil.

5. Heavy equipment - Wikipedia

   en.wikipedia.org/wiki/Heavy_equipment

   Heavy equipment vehicles of various types parked near a highway construction site. Heavy equipment, heavy machinery, earthmovers, construction vehicles, or construction equipment, refers to heavy-duty vehicles specially designed to execute construction tasks, most frequently involving earthwork operations or other large construction tasks.

6. Dragline excavator - Wikipedia

   en.wikipedia.org/wiki/Dragline_excavator

   Their power consumption on order of several megawatts is so great [quantify] that they have a direct connection to the high-voltage grid at voltages of between 6.6 and 22 kV. A typical [ further explanation needed ] dragline weighing 4000 to 6000 tons, with a 55-cubic-metre bucket, can use up to 6 megawatts during normal digging operations.

7. Wood auger - Wikipedia

   en.wikipedia.org/wiki/Wood_auger

   Study of a man using an auger, from The Seven Sorrows of the Virgin, by Albrecht Dürer, c. 1496. The classical design has a helical screw blade winding around the bottom end of the shaft. The lower edge of the blade is sharpened and scrapes the wood; the rest of the blade lifts the chips out of the way.