Cummins Engines

Crankcase Ventilation for Natural Gas Engines: Cummins QSK60 & QSV91

On a handful of Cummins engines, the crankcase ventilation systems were under-performing, even failing. They tried many different styles and types of closed crankcase systems with no success. These systems had minimal element life and high crankcase pressures. Low-efficiency elements did not provide the needed protection for the turbo and aftercoolers, therefore, service costs were increasing.

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