Net Power - ISO 9249 273 hpNet Power - ISO 9249 (DIN) 277 hp (metric)Engine Model Cat® C7.1Engine Power - ISO 14396 275 hpEngine Power - ISO 14396 (DIN) 279 hp (metric)Bore 4 inStroke 5 inDisplacement 428 in³Biodiesel Capability Up to B20¹Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and 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 intake system, exhaust system and alternator with engine speed at 2,200 rpm. Advertised power is tested per the specified standard in effect at the timeNote (2) ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** or 100