Year 2001 12-cylinder MANN 1000 HP Marine Engines with 6300 hours. They only have 300 hours on them since last 1000-hour service. Owner has a PDF that shows some the extras that were done during the last 1000-hour service. They can provide all service records from 2015 to present. Owner purchased the boat with 3000 hours Owner of the boat wants to go faster! 2300RPM