The crankshaft is one of the most important parts of the diesel engine, it works with the connecting rod to change the pressure acting on the piston into rotating power to the transmission mechanism of the chassis. The engine crankshaft also drives the gas distribution mechanism and other auxiliary devices. The crankshaft on engine is mainly composed of main journals, connecting rod journals, crank, balance block and so on. The shape of the crankshaft depends on the number of cylinders, cylinder arrangement and engine ignition sequence.
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