C8.3 Commercial Marine and Ind [...] Engine Identification Section E - Engine Identification Page E-5 1 Cubic inch displacement and liter displacement 2 Control Parts List Number 3 Engine serial number 4 Emission family identification 5 Customer specification - base engine part number 6 Rated horsepower at rpm 7 Fuel rated at horsepower 8 Model name 9 Emission control system (currently not used on marine) 11 Valve lash cold 10 Firing order 12 Timing - top dead center 13 Low idle (rpm) 14 Date of manufacturing 15 Warning tag 16 Cummins address: Cummins Incorporated Columbus, Indiana 47202-3005