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2. R. G. LeTourneau - Wikipedia

   en.wikipedia.org/wiki/R._G._LeTourneau

   After the war, LeTourneau returned to Stockton and discovered the Superior Garage business had failed. In order to repay his portion of the debts, he took a job repairing a Holt crawler tractor, and was then employed by the tractor owner to level 40 acres [160,000 m 2] using the tractor and a towed scraper. [5] [independent source needed]

3. Caterpillar Inc. - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_Inc.

   Two years later, Holt sold his first steam-powered tractor crawlers for US$5,500, about US$185,000 in 2024. Each side featured a track frame measured 30 inches (760 mm) high by 42 inches (1,100 mm) wide and were 9 feet (2.7 m) long. The tracks were 3 inches (76 mm) by 4 inches (100 mm) redwood slats. [23]

4. Gravely Tractor - Wikipedia

   en.wikipedia.org/wiki/Gravely_Tractor

   This design thus eliminated the need for drive belts to power the tractor forward or backwards. The only belts required on Gravely equipment (with the exception of the 408) is the blade drive belt for its mower decks, which is powered by a gear box on the deck, which receives power from a PTO driveshaft connected to the tractor's drivetrain.

5. Wheel tractor-scraper - Wikipedia

   en.wikipedia.org/wiki/Wheel_tractor-scraper

   When the hopper is full (8 to 34 m 3 or 10 to 44 cu yd heaped, depending on type) it is raised, and closed with a vertical blade (known as the apron). The scraper can transport its load to the fill area where the blade is raised, the back panel of the hopper, or the ejector, is hydraulically pushed forward and the load tumbles out.

6. Fresno scraper - Wikipedia

   en.wikipedia.org/wiki/Fresno_scraper

   Porteous bought the patents held by Deidrick, Dusy, and McCall, gaining sole rights to the Fresno Scraper. Prior scrapers pushed the soil ahead of them, while the Fresno scraper lifted it into a C-shaped bowl where it could be dragged along with much less friction. By lifting the handle, the operator could cause the scraper to bite deeper.

7. Euclid Trucks - Wikipedia

   en.wikipedia.org/wiki/Euclid_Trucks

   Euclid's tractor scrapers were powered by the same tractors as their belly dumps. Euclid was the first major manufacturer to commercialize the articulated rubber tired loader, which is the current mainstay of many heavy equipment manufacturers, particularly Caterpillar.

8. Bulldozer - Wikipedia

   en.wikipedia.org/wiki/Bulldozer

   The three main types of bulldozer blades are a U-blade for pushing and carrying soil relatively long distances, a straight blade for "knocking down" and spreading piles of soil, and a brush rake for removing brush and roots. These attachments (home-built or built by small equipment manufacturers of attachments for wheeled and crawler tractors ...

9. Grader - Wikipedia

   en.wikipedia.org/wiki/Grader

   A grader, also commonly referred to as a road grader, motor grader, or simply blade, is a form of heavy equipment with a long blade used to create a flat surface during grading. Although the earliest models were towed behind horses, and later tractors , most modern graders are self-propelled and thus technically "motor graders".