Definition
The crankshaft sits at the bottom of the engine block and receives force from connecting rods.
Counterweights, rod journal sizing, and stroke length all influence balance, rpm capability, and displacement.
Engine
The main rotating shaft that converts reciprocating piston motion into rotational torque for the drivetrain.
The crankshaft sits at the bottom of the engine block and receives force from connecting rods.
Counterweights, rod journal sizing, and stroke length all influence balance, rpm capability, and displacement.
Category: Engine · Updated August 31, 2026