The Cat C18 diesel generator set features three 60-Hz power nodes offering standby ratings from 650 to 750 kW and prime power ratings from 600 to 680 kW. It is designed for applications requiring certification to U.S. EPA Tier 2 emissions standards, and an enclosure is available for applications requiring noise attenuation or protection from the elements. The Cat C18 diesel generator set with high power density is designed to meet the NFPA power restoration requirement for Level 1 systems and accept 100% block load in one step. It meets ISO 8528-5 requirements for steady state and load acceptance. The generator set utilizes the field-proven Cat ADEM™ A4 engine control module (ECM). This module seamlessly integrates all engine functions including ignition, governing, and air-fuel ratio control for optimal performance while protecting the engine.