dual-fuel engines for a 74,000 m3 LNG carrier. France. ship's propulsion and shipboard electrical requirements. 6L50DF engines each develop 5700 kW at 514 rev/min. plant. 2002. engine and for optimization of its performance. taken and the turbocharging system was optimized. performance was then measured at steps from 15 to 100 per cent load. acceptance and load rejection. with a low methane number. operator, the shipbuilder and the classification society. representatives from the classification society Bureau Veritas. load acceptance, and load rejection. heating value gas and low methane number gas. that all safety systems were tested. for installation in the LNG carrier.