Here are some general specifications for the Caterpillar C6.4 ACERT engine:
Displacement: 6.4 liters (388 cubic inches)
Configuration: Inline 6-cylinder
Bore: 105 mm
Stroke: 127 mm
Aspiration: Turbocharged and air-to-air aftercooled
Fuel system: High-pressure common-rail
Compression ratio: 17.0:1
Emissions compliance: EPA Tier 3, EU Stage IIIA
Max power: 115-175 kW (155-235 hp)
Max torque: 800-950 Nm (590-700 lb-ft)