The crankshaft is an important component of the engine; it is composed of carbon structural steel or ductile iron and consists of two major components the main journal and the connecting rod neck (and others). The main journal is attached to the cylinder body, and the connecting rod neck is attached to the connecting rod big head hole. A typical crank slider mechanism is the connecting rod's small head hole, which is attached to the cylinder piston. Unique Forgings (India) Pvt. Ltd. is a widely popular Forged Crankshaft Manufacturer in India.