Cat® C1.5 Diesel Marine Generator Set has single phase ratings of 50 Hertz at 10.0 ekW and 60 Hertz at 12.0 ekW that meet U.S. EPA Tier 3 and EU IW emission standards. The Cat® C1.5 also has three phase ratings of 50 Hertz at 11.0 ekW and 60 Hertz at 13.0 ekW that meet U.S. EPA Tier 3 and EU IW emissions standards. This generator set is available in 12 or 24 volt as an open gen set or as an enclosed package.