INDUSTRIAL DIESEL GENERATOR SET EPA Certified Stationary Emergency S P E C S H E E T 4 of 6 General Make Perkins EPA Emissions Compliance Stationary Emergency EPA Emissions Reference See Emission Data Sheet Cylinder # 4 Type In-Line Displacement - in3 (L) 135 (2.22) Bore - in (mm) 3.3 (84.0) Stroke - in (mm) 3.9 (100.0) Compression Ratio 23.3:1