Engine Model Cat® C18
Gross Power (SAE J1995) 511 hp
Net Power (SAE J1349) 496 hp
Engine Power (ISO 14396) 504 hp
Bore 5.7 in
Stroke 7.2 in
Displacement 1106 in³
Note (1) Advertised power is tested at 1,700 rpm.
Note (2) Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (3) The net power advertised is the power available at the flywheel when the engine is equipped with alternator, air cleaner, muffler and fan at minimum speed.
Note (4) Net power when the fan is at maximum speed is 370 kW (496 hp) per the SAE reference conditions.
Note (5) The Cat C18 meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note (6) Diesel exhaust fluid (DEF) used in Cat SCR systems must meet the requirements outlined in ISO 22241-1:2006. ISO 22241-1:2006 requirements are met by many brands of DEF, including those that carry the AdBlue® or API certifications.
No Engine De-rating Required Below 10000 ft
Peak Engine Torque Gross (SAE J1995) 1931 ft·lbf
Peak Engine Torque Net (SAE J1349) 1887 ft·lbf
Peak Engine Torque Speed 1200 r/min