Description:Cat engine controller reads various sensor outputs and controls the necessary systems to provide optimal engine performance in Cat heavy equipment operations.Attributes:• Programmable electronic control module• A4E4 V3.1 software• Cast aluminum housing• 70 pin and 120 pin connections• Emissions control• RoHS compliant• Labeled, including part and serial number• Designed to work in unison with the rest of your Cat components to ensure maximum potential of your equipmentApplication:Cat electronic controllers are used to manage engine systems as needed. Consult your owner's manual or contact your local Cat dealer for more information. Cat components can operate in heavy-duty applications such as severe vibration, shock, extreme operating temperature ranges, thermal cycle, thermal shock, humidity, corrosion and excessive dust.