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Due to its few moving parts – the piston, crank assembly and flywheel, the fuel injection system and oil system are the only parts that move – it was simple to manufacture, operate and maintain. In the Bulldog engine, fuel is sprayed under low pressure onto the hot-bulb ignition device, where the fuel is ignited and gradually undergoes ...
One-way bearing combining sprags and bearing rollers in one race Sprags jam when driven and slide when in reverse. A sprag clutch is a one-way freewheel clutch.It resembles a roller bearing but, instead of cylindrical rollers, non-revolving asymmetric figure-eight shaped sprags, or other elements allowing single direction rotation, are used.
A cone clutch serves the same purpose as a disk or plate clutch; however, instead of mating two spinning disks, the cone clutch uses two conical surfaces to transmit torque by friction. [ 1 ] The cone clutch transfers a higher torque than plate or disk clutches of the same size due to the wedging action and increased surface area.
The Generation II tractors also offered other innovative features not available on previous John Deere models, such as a Quad-Range transmission that improved on Deere's proven Synchro-Range transmission, by adding a high and low gears in each range, and Deere's new Perma-Clutch; a wet clutch that would last much longer, virtually the life of ...
The Ford NAA tractor (also known as the Ford NAA) is a tractor that was introduced by Ford as an entirely new model in 1953 and dubbed the Golden Jubilee. [1] [2] The Golden Jubilee Badge. The NAA designation was a reference to the first three digits of the serial number style used starting with this tractor. [3]
A PTO at the rear end of a farm tractor A PTO (in the box at the bottom) in the center of the three-point hitch of a tractor. A power take-off or power takeoff (PTO) is one of several methods for taking power from a power source, such as a running engine, and transmitting it to an application such as an attached implement or separate machine.
A chainsaw's clutch. The chain wraps around a sprocket behind the clutch that turns with the outer drum. The input of the clutch is connected to the engine crankshaft while the output may drive a shaft, chain, or belt. As engine revolutions per minute increase, weighted arms in the clutch swing outward and force the clutch to engage. The most ...
The tractor is stacked high with supplies, and a number of uniformed soldiers are walking alongside. A Holt 60-horsepower, four-cylinder valve-in-head gasoline Caterpillar (s/n 524) in 1912. The tractor was restored in the late 1960s and is the oldest surviving East Peoria-built tractor known to exist. [42]