This Caterpillar C9 Marine Generator Sets is ABS Classed, as well as EPA Tier II Certified, and are ready for installation in your vessel. In addition to the items listed above, these auxiliary units come with the following adders: Basic Instrument Panel, Remote Speed Control-Hand Knob, Jacket Water Heater, Spinner II Oil Cleaning Centrifuge and Spark Arrestor. Generator Ends are 12 Lead & can be converted to Low Voltage. Front Pump Drive Packages consisting of a Twin Disc PTO Model ITB10533001 with an SAE 4 Housing and a Twin Disc Hydraulic Pump Drive Model AM230/BDS290 (BOM ITB10533001) with 1:1 Ratio. The front hydraulic pumps can be removed from the units.