Engine Model Cat C15 Power - Net 325 hp Net Power - ISO 9249/SAE J1349 325 hp Net Power - ISO 9249 (DIN) 328 mhp Emissions Brazil MAR-1, China Nonroad Stage III emission standards, equivalent to U.S. EPA Tier 3/EU Stage IIIA, or China Nonroad Stage II, equivalent to U.S. EPA Tier 2/EU Stage II Build Number 19B Biodiesel Capability Up to B100* Note (1) Engine power at 1,900 rpm. Net power advertised is the power available at the flywheel when engine is equipped with a fan at maximum speed, air cleaner, muffler and alternator. Advertised power is tested per the specified standard in effect at the time of manufacture. Note (2) *Cat engines are compatible with the following renewable, alternative, and biodiesel** fuels that reduce greenhouse gases on a lifecycle basis: up to B20 biodiesel (FAME) ***, up to 100% HVO and GTL renewable fuels. ** Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. ***B30, where mandated, can be used. For use of higher blends, up to B100, consult your Cat dealer. *** Up to B100 capable when equipped with optional B100-compliant fuel lines. Please consult the Operations and Maintenance Manual (OMM) for further information.