Engine Power - ISO 14396:2002 148 hpEngine Power - ISO 14396 (DIN) 150 hp (metric)Engine Model C4.4Net Power - ISO 9249 145 hpNet Power - ISO 9249 (DIN) 147 hp (metric)Bore 4.1 inDisplacement 268.5 in³Stroke 127 mmBiodiesel Capability Up to B20¹Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2,014 emission standards.Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standarNote (2) ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO