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In 1967, Gravely introduced its 400 series riding tractors, with the all-gear drivetrain that would come to define the company in future years. The tractor had four speeds, two in low range and two in high range, with power configurations of single-cylinder 10, 12, or 14 horsepower Kohler or Onan engines.
Gravely may refer to: Gravely Tractor, a manufacturer of outdoor power lawn and garden implements; USS Gravely, an Arleigh Burke-class guided missile destroyer; People with the surname Gravely: Etta C. Gravely (born 1939), American chemistry academic; Frederic Henry Gravely (1885–1965), English entomologist
Two-wheel tractor or walking tractor (French: motoculteur, Russian: мотоблок (motoblok), German: Einachsschlepper) are generic terms understood in the US and in parts of Europe to represent a single-axle tractor, which is a tractor with one axle, self-powered and self-propelled, which can pull and power various farm implements such as a ...
An even smaller variant of the compact utility tractor is the subcompact utility tractor. Although these tractors are often barely larger than a riding lawn mower, these tractors have all the same features of a compact tractor, such as a three-point hitch, power steering, four-wheel-drive, and front-end loader. These tractors are generally ...
Here the automatic nature of the gear box takes care of the direction change by either engaging planetary sets or by engaging multi-plate clutches or by some other means. Features of power shuttle transmissions. Power shuttle transmissions were invented for mining and earth moving applications. The needs in the areas were: Quick shuttle response
For example, when the Ford 9N introduced Harry Ferguson's three-point hitch design to American production-model tractors in 1939, it was a light and affordable tractor competing principally with row-crop tractors such as Farmalls that did not yet have three-point hitches.
Continuous tracks on a bulldozer A dump truck with continuous track wheels crosses a river and dumps its load in Kanagawa, Japan. An agricultural tractor with rubber tracks, mitigating soil compaction A Russian tracked vehicle designed to operate on snow and swamps A British Army Challenger 1 tank
English: Diagram showing a side view and underside of a conventional 18-wheeler semi-trailer truck with an enclosed cargo space. The underside view shows the arrangement of the 18 tires (wheels). Shown in blue in the underside view are the axles, drive shaft, and differentials. The legend for labeled parts of the truck is as follows: tractor unit