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40° A: 13 mm: 9 mm: 40° 12.7 mm = 0.5 inch width, 38° pulley angle imperial belts B: 17 mm: 11 mm: 40° 16.5 mm = 21/32 inch width, 38° angle imperial belts C: 22 mm: 14 mm: 40° 22.2 mm = 7/8 inch width, 38° angle imperial belts D: 32 mm: 19 mm: 40° 31.75 mm = 1.25 inch width, 38° angle imperial belts E: 38 mm: 25 mm: 40°
Underdrive pulleys increase engine output by reducing the draw of the engine's accessories by slowing them down and reducing the horsepower (HP) they use. Horsepower gains from underdrive pulleys can vary by vehicle, engine, number of accessories and the amount of underdrive (improvements of up to 5–15 HP at the wheels have been seen).
A lawn mower (also known as a grass cutter or simply mower, also often spelled lawnmower) is a device utilizing one or more revolving blades (or a reel) to cut a grass surface to an even height. The height of the cut grass may be fixed by the mower's design but generally is adjustable by the operator, typically by a single master lever or by a ...
The 4020 is one of the most popular tractors Deere & Company has ever made. The year 1965 brought the 5020 standard, which was the industry's most powerful two-wheel-drive model, along with the 1020, 2020, and 54 hp (40 kW) model 2510. By 1966, the 4020 accounted for 48% of all John Deere tractor sales. [6]
A two-pulley jackshaft redirecting belt power from horizontal to vertical. A jackshaft, also called a countershaft, is a common mechanical design component used to transfer or synchronize rotational force in a machine. A jackshaft is often just a short stub with supporting bearings on the ends and two pulleys, gears, or cranks attached to it.
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Tractor dealers can recommend the right size brush hog for any of their tractors, or tractor and brush hog sizing charts are available [9] on the Internet. Calculators [ 10 ] used to estimate the time required to mow different size areas with different size cutters are also available and can be used to help decide which brush hog is the best ...