WinGD has announced that it will supply its X-DF-A ammonia-fuelled engine designs for four new medium gas carriers (MGCs).
The ammonia-fuelled MGCs were ordered by Trafigura and will be built by HD Hyundai Mipo.
Each 45,000 cubic metres (m³) vessel will be equipped with a six-cylinder 6X52DF-A engine featuring high-pressure selective catalytic reduction.
Benny Hilström, VP Market Development, WinGD, said: “Trafigura selected our technology based on our demonstration of X-DF-A’s development and strong performance indicators to date.
“With the first X-DF-A engine deliveries due in mid-2025, we will already have gathered significant construction and commissioning experience by the time these engines are delivered.”
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WinGD has validated the key combustion and performance characteristics of the X-DF-A on a test engine, achieving full-load operation with just 5 per cent pilot fuel.
The engine matches diesel thermal efficiency while significantly reducing emissions—NOx and ammonia below 10 ppm and N₂O below 3 ppm.
Engine deliveries for the new MGCs are expected between early 2027 and early 2028.
