The DX140LC-3 excavator interim Tier 4 compliant machine allows operators to customize the excavator to a variety of working conditions, making it ideal for rental, site development, commercial construction, and highway/street development. Powered by a six-cylinder DL06K engine, the excavator features 109 hp, using a water-cooled diesel engine that has been optimized for use with a cooled exhaust gas recirculation system, a diesel oxidation catalyst, and a diesel particulate filter. Doosan Infracore Construction Equipment America.