DETROIT DIESEL 14L Crankshaft Damper Balancer. Crankshaft Vibration in Diesel Engines: The Need for Viscous Damper Technology. Torsional vibration occurs naturally on every engines combustion cycle. In each cylinder, the initial force of ignition twists the crankshaft ahead of its natural rotation. Then, during the exhaust cycle the crankshaft metal rebounds. This repeated twisting and […]