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, aftertreatment 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, aftertreatment and fan at minimum speed |
| Note (4) | Net power when the fan is at maximum speed is 348 kW (467 hp) per the SAE reference conditions. Net power when the fan is at maximum speed is 348 kW (467 hp) per the SAE reference conditions. |
| Note (5) | The C18 meets U.S. EPA Tier 4 Final/EU Stage V emission standards. The C18 meets U.S. EPA Tier 4 Final/EU Stage V emission standards. |
| Note (6) | Diesel exhaust fluid (DEF) used in Cat selective catalytic reduction (SCR) systems must meet the requirements outlined in ISO 22241-1. ISO 22241-1 requirements are met by many brands of DEF, including those that carry the AdBlue or API certifications. Diesel exhaust fluid (DEF) used in Cat selective catalytic reduction (SCR) systems must meet the requirements outlined in ISO 22241-1. ISO 22241-1 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 ft·lbf 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 |
