While different versions of the internal combustion engine were being used more than 200 years ago, commercial vehicle use began in the mid 19th century when the widespread production of petroleum began. Countless engineering advances have occurred since. Yet one constant has never changed:
"All of these engines create different firing pulses in order to operate and it is those pulses
that cause oscillations and subsequent vibration," explains Prashant Kulkarni, engineering
manager – clutch division, Eaton Corporation. "That same vibration then travels through the entire driveline, through the clutch, the transmission, down the driveshaft, and to the axles.
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