Caterpillar Inc.’s first mid-range generator set meets U.S. EPA Tier 4 Interim emissions standards. Designed for standby, prime, and load management applications, the 500-ekW package offers the latest in engine design technology. Powered by the Cat C15 engine, the ratings for this 60-Hz package are 500-ekW (standby) and 455-ekW (prime). Building on the attributes of the C15 diesel generator set with ACERT Technology, this package offers highly competitive service intervals, fuel consumption rates, and power density.