New CAT D600 GC with factory warranty. ETA March 2023 Link to Spec Sheet: https://s7d2.scene7.com/is/content/Caterpillar/CM20200325-ea515-fa1c2 Units Must be Used in Standby application as seen below. Failure to do so will void Cat warranty and End User/Reseller will be responsible for federal fines/penalty. EPA Stationary Tier 2 (500 hrs or less per year or the duration of the utility outage for emergency purposes only).