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2. 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.

3. Skid-steer loader - Wikipedia

   en.wikipedia.org/wiki/Skid-steer_loader

   One downside of radial lift design is that when fully-raised the bucket is back closer to the machine, so it has relatively poor reach when trying to load trucks or hoppers or spreaders. In addition, the bucket is almost over the operator's head and spillage over the back of the bucket can end up on top of the machine or in the operator's lap.

4. Loader (equipment) - Wikipedia

   en.wikipedia.org/wiki/Loader_(equipment)

   John Deere Front end loaders CAD model tracing of a tractor mounted loader mechanism CAD model tracing of a skid loader mechanism. A loader is a heavy equipment machine used in construction to move or load materials such as soil, rock, sand, demolition debris, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railroad car).

5. Bucyrus-Erie - Wikipedia

   en.wikipedia.org/wiki/Bucyrus-Erie

   3850-B power shovels for stripping, one built each in 1962 and 1964, with bucket capacities of 115 and 145 cu yd (88 and 111 m 3). 2570-W or WS, one of B-E's most popular dragline models with bucket capacities between 120 and 160 cu yd (92 and 122 m 3). Ursa Major at Black Thunder Coal Mine was reported to be the third largest dragline ever built.

6. Dragline excavator - Wikipedia

   en.wikipedia.org/wiki/Dragline_excavator

   A dragline bucket system consists of a large bucket which is suspended from a large truss-like boom (or mast) with wire ropes. The bucket is maneuvered by means of a number of ropes and chains. The hoist rope, powered by large diesel or electric motors, supports the bucket and hoist-coupler assembly from the boom. The dragrope is used to draw ...

7. Three-point hitch - Wikipedia

   en.wikipedia.org/wiki/Three-point_hitch

   Adjustable three-point ball on lift arm. Ball may be rotated to fit either Category I or Category II implements Rear three-point hitch of a Case IH tractor with implement attached by the drawbar. There are five different hitch sizes, called categories. The higher category hitches have sturdier lift arms and larger connector pins. [2]