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Harrows were originally drawn by draft animals, such as horses, mules, or oxen, or in some times and places by manual labourers. In modern practice they are almost always tractor -mounted implements, either trailed after the tractor by a drawbar or mounted on the three-point hitch .
The moose fell through the ice around 11 a.m. Thursday, about 200 feet (60 meters) from shore on Lake Abanakee, the New York State Department of Environmental Conservation announced in a statement ...
A major advance for this type of farming was the turn plough, also known as the mould-board plough (UK), moldboard plow (U.S.), or frame-plough. [21] A coulter (or skeith) could be added to cut vertically into the ground just ahead of the share (in front of the frog), a wedge-shaped cutting edge at the bottom front of the mould board with the ...
In most cases, the plows are mounted on hydraulically actuated arms, allowing them to be raised, lowered, and angled to better move snow. Most winter service vehicles include either permanently fixed plows or plow frames: 75% of the UK's Highways Agency vehicles include a plow frame to which a blade can be attached. [1]
In 1975–76, Fisher Engineering created an electrically driven hydraulic system capable of operating off the electrical systems of modern trucks. [4] In 2005, Douglas Dynamics purchased the Blizzard Corporation, which is known for its adjustable-wing snowplows.
Moline Plow considered the Allis-Chalmers Model 6-12, a very similar tractor, to be a patent-infringing copy. [4] Also around 1916, Moline Plow entered the automobile business with the Stephens brand, named after one of the founders of Moline Plow. Around 1918 or 1919, the Willys-Overland Company purchased a majority interest in the Moline Plow ...
Sifeng Model 12 HP 2WT with 5.6 tonnes of rice, Bangladesh A Changzhou Hengfeng Two-wheel tractor ('Walking Tractor') in Hsipaw ().. Research has identified several terms used to identify the two-wheel tractor including: "walk-behind tractor, iron-ox, walking tractor, mechanical ox, ox-machine, pedestrian tractor, hand tractor, single-axle tractor, and in Asia, tok-tok".
A ram air turbine (RAT) is a small wind turbine that is connected to a hydraulic pump, or electrical generator, installed in an aircraft and used as a power source. The RAT generates power from the airstream by ram pressure due to the speed of the aircraft. It may be called an air driven generator (ADG) on some aircraft. [1]