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Whippletrees are used especially when pulling a dragged load such as a plough, harrow, log or canal boat or for pulling a vehicle (by the leaders in a team with more than one row of animals). A swingletree, or singletree, is a special kind of whippletree used for a horse-drawn vehicle. The term swingletree is sometimes used for draught ...
Truck and tractor pulling, also known as power pulling, is a form of a motorsport competition in which antique or modified tractors pull a heavy drag or sled along an 11-meter-wide (35 ft), 100-meter-long (330 ft) track, with the winner being the tractor that pulls the drag the farthest.
A logging donkey consists of a steam boiler and steam engine, [5] [6] connected to a winch mounted on a sled called a donkey sled. [7] [8] The donkeys were moved by simply dragging themselves with the winch line, originally hemp rope and later steel cable. They were used to move logs, by attaching lines to the logs and hauling them. [9] [10]
A conductor rode on the sleds with a bell-rope or wire to signal the crew in the cab. [6] The earliest log haulers pulled three sleds, and later models were designed to pull eight sleds. Each train carried 40,000 to 100,000 board-feet of logs. The record train length was said to be 24 sleds with a total length of 1,650 feet (500 m). [4]
Pages in category "Tractor pulling" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. ...
Troika, a traditional Russian vehicle drawn by three horses, usually a sled, but it may also be a wheeled carriage. A sled or "stone boat", seen in truck and tractor pulling and horse pulling. A flat sled able to carry increasing amounts of weight to determine the maximum load the animal or machine can pull. [20]
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A power shuttle is an additional unit used in transmissions and is generally used in agricultural tractors. While the vehicle is moving forwards, the driver can pull a lever that makes it stop and go backwards at the same speed. Power Shuttles are also known under various trade names including Power Reverser