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2. Wheel tractor-scraper - Wikipedia

   en.wikipedia.org/wiki/Wheel_tractor-scraper

   A twin engined Terex TS-14b scraper in Hudson, Ohio. In civil engineering, a wheel tractor-scraper (also known as a land scraper, land leveler or tournapull) is a type of heavy equipment used for earthmoving.

3. Fresno scraper - Wikipedia

   en.wikipedia.org/wiki/Fresno_scraper

   This design was so revolutionary and economical that it influenced the design of modern bulldozer blades and earth movers.. Between 1884 and 1910, thousands of Fresno scrapers were produced at the Fresno Agricultural Works, which had been formed by Porteous and used in agriculture, land leveling, road and railroad grading, and the construction industry.

4. Roller (agricultural tool) - Wikipedia

   en.wikipedia.org/wiki/Roller_(agricultural_tool)

   The roller is an agricultural tool used for flattening land or breaking up large clumps of soil, especially after ploughing or disc harrowing. Typically, rollers are pulled by tractors or, prior to mechanisation, a team of animals such as horses or oxen. As well as for agricultural purposes, rollers are used on cricket pitches and residential ...

5. Harrow (tool) - Wikipedia

   en.wikipedia.org/wiki/Harrow_(tool)

   In agriculture, a harrow is a farm implement used for surface tillage. It is used after ploughing for breaking up and smoothing out the surface of the soil . The purpose of harrowing is to break up clods and to provide a soil structure , called tilth , that is suitable for planting seeds .

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   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

7. Combine harvester - Wikipedia

   en.wikipedia.org/wiki/Combine_harvester

   The first leveling technology was developed by Holt Co., a US company in California, in 1891. [18] Modern leveling came into being with the invention and patent of a level sensitive mercury switch system invented by Raymond Alvah Hanson in 1946. [19] A leveling system was also developed in Europe by the Italian combine manufacturer Laverda.