The Nanni N9.330CR2 is a 329 HP (242 kW) marine diesel inboard engine based on a John Deere 9-litre, 6-cylinder in-line block with 4-stroke configuration. It features a high-pressure Common Rail direct injection fuel system, turbocharged air-to-seawater aftercooler, and is HVO compliant. The engine is certified to RCD2, EPA Marine Tier 3, NRMM, and IMO Marpol Annex VI emission standards, and is compatible with shaft line, water jet, and surface drive transmissions.