Caterpillar C18 Marine Propulsion Engine

Caterpillar C18 ACERT inline-6 high-speed marine propulsion engine. Displacement 18.1 L, bore 145 mm, stroke 183 mm. Power 354-873 kW (475-1170 hp) at 1800-2300 rpm. Used on small tugs, fast crew boats, fishing vessels, pilot boats and motoryachts. EPA Tier 3 / IMO II compliant.