Forged steel/cast iron made John Deere Automotive Tractor Crankshaft is instrumental in controlling upward and downward movement of pistons as per rotational movement of output shaft of engine. Rotation of crankshaft and piston promotes forward or backward movement of tractor.  Designed by expert personnel, offered John Deere Automotive Tractor Crankshaft has excellent heat dissipation rate which is necessary for extending service life of engine. Standard of this crankshaft has been checked as per hardness test, chemical composition, diameter, design, surface roughness and mechanical characteristics.