Cat C15 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C15 ACERT engines to deliver excellent performance with low operating costs and emissions. Applications powered by C15 ACERT engines include workover rigs, pump skids, nitrogen units, acidizing units, cementing units 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. C15 ACERT water-cooled manifold engines, with ratings: 400-403 bkW (536-540 bhp) @ 1800-2000 rpm meet IMO Tier II, U.S. EPA Marine Tier 3 emissions standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.