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  2. Screw conveyor - Wikipedia

    en.wikipedia.org/wiki/Screw_conveyor

    The "grain auger" is used in agriculture to move grain from trucks, grain carts, or grain trailers into grain storage bins (from where it is later removed by gravity chutes at the bottom). A grain auger may be powered by an electric motor; a tractor, through the power take-off; or sometimes an internal combustion engine mounted on the auger ...

  3. The Tractor That Built Caterpillar's Empire - AOL

    www.aol.com/2013/11/24/the-tractor-that-built...

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  4. Screw-propelled vehicle - Wikipedia

    en.wikipedia.org/wiki/Screw-propelled_vehicle

    A screw-propelled vehicle A screw-propelled vehicle is a land or amphibious vehicle designed to cope with difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving. They have been called Archimedes ...

  5. Caterpillar D4 - Wikipedia

    en.wikipedia.org/wiki/Caterpillar_D4

    The RD4 originally weighed in at 10,000 pounds (4,500 kg), and used Caterpillar's D4400 engine, an inline four-cylinders, with a 4.25 by 5.50 inches (108 mm × 140 mm) bore and stroke. [2] In 1935 Caterpillar had started the naming convention of "RD" for diesel or "R" for regular gasoline, followed by a number to indicate the relative engine ...

  6. Earth auger - Wikipedia

    en.wikipedia.org/wiki/Earth_Auger

    Earth auger with two blades instead of screw. Another type of earth auger has two vertical blades instead of a helical screw. Rather than scraping the soil at the bottom of the hole, this type of auger cuts a cylindrical plug out of it, that is held by friction between the two blades. The auger must then be pulled out and emptied every foot or so.

  7. Caterpillar D5 - Wikipedia

    en.wikipedia.org/wiki/Caterpillar_D5

    D5 (9M) was originally built in 1939, with only 46 built. It was a cross between the D4 chassis and the 6-cylinder D6 45 horsepower (34 kW) D4600 engine. D5 - reintroduced in 1967. D5B - 1977; D5 SA - Special Application agricultural tractor; D5H, an elevated sprocket model introduced in 1985.

  8. Excavator controls - Wikipedia

    en.wikipedia.org/wiki/Excavator_controls

    ISO excavator controls illustration, color of the control matches the moving part. Additionally there is a switch on the right hand joystick to operate attached tools.

  9. Power shovel - Wikipedia

    en.wikipedia.org/wiki/Power_shovel

    Principle of rope-shovel operation. [1]A power shovel, also known as a motor shovel, stripping shovel, front shovel, mining shovel or rope shovel, [2] is a bucket-equipped machine usually powered by steam, diesel fuel, gasoline or electricity and used for digging and loading earth or fragmented rock and for mineral extraction. [3]