Cat C13 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C13 ACERT engines to deliver excellent performance with low operating costs and emissions. Equipment powered by C13 ACERT engines include workover rigs, pump skids, acidizing units, cementing units, blenders, and hydraulic power units. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. Cat C13 ACERT™ Industrial Diesel Engine. Ratings: 287-388 bkW (385-520 bhp) @ 1800-2100 rpm meet China Stage II, U.S. EPA Tier 3 equivalent or U.S. EPA Tier 2 equivalent, EU Stage IIIA equivalent or EU Stage II equivalent emission standards.