This is a blunder somebody may descend foul of when they are not conscious of some of the vocabulary encircling machines. The mistake is coherent as devices need lubricant, calculated by a runny book, and a fluid book number is connected to the engine.
So okay, alloy’s obvious this up fast. The 6.7 liters do not display the highest grease needed for the machine. This numeral indeed refers to something dubbed the motor's ouster. The book brought up by the motor's cylinders is guided to removal.
One liter of removal correlates to approximately 61 cubic inches of interior room in the machine. So in the Cummins 6.7-liter motor, roughly 408.7 cubic hairsbreadths of interior motor space are brought up by the cylinders. Unsurprisingly this is a physically enormous and weighty motor.