The OTTO 313-3997 is a critical engine crankshaft designed for Caterpillar C13 engine rebuilding and repair. It effectively converts reciprocating motion into rotational power, supporting optimal engine performance, reduced vibration, and long service life in heavy machinery applications.

OTTO 3133997 313-3997 C13 Engine Crankshaft for Caterpillar Excavator E345C E345D E349D E349E This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty