Cummins CR late model 5.9 & 6.7 engine specs/fluid capacities Bore and Stroke5.9 liters [360 C.I.D] Engines....................102 mm [4.02 in] X 120 mm [4.72 in]6.7 liters [409 C.I.D] Engines....................107 mm [4.21 in] X 124 mm [4.88 in]Dis...