Engine
| Engine Model | Cat® C18 Cat® C18 |
| Gross Power (SAE J1995) | 511 hp 381 kW |
| Net Power (SAE J1349) | 496 hp 370 kW |
| Engine Power (ISO 14396) | 504 hp 376 kW |
| Bore | 5.7 in 145 mm |
| Stroke | 7.2 in 183 mm |
| Displacement | 1106 in³ 18.1 l |
| Note (1) | Advertised power is tested at 1,700 rpm. 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. 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. 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. 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. 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. 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 3050 m |
| Peak Engine Torque Gross (SAE J1995) | 1931 lbf·ft 2618 N·m |
| Peak Engine Torque Net (SAE J1349) | 1887 lbf·ft 2558 N·m |
| Peak Engine Torque Speed | 1200 r/min 1200 r/min |
