6Y5-8350T-D0-00 superceded by 6Y5-8350T-D1-00 Accurate information is available to let you fine tune settings to achieve the best overall efficiency and performance for operating conditions. Designed for optimum visibility and long-term durability. This tachometer displays the following engine information: Engine RPM Trim Angle Oil Level Warning Lamps Overheat Warning Lamp Hour Meter For Trip Total Operating Hours