Wärtsilä wins order for Wärtsilä 25 Ammonia auxiliary engines for two midsize gas carriers

• Wärtsilä booked orders in Q2 2026 to supply Wärtsilä 25 Ammonia auxiliary engines for two 51,350 m3 midsize LPG/ammonia carriers.
• Scope includes SCR NOx reducers and gas valve units; deliveries to the shipyard start in June 2027.
• A separate order for a controllable pitch propeller propulsion system was booked in Q3 2026.
• Vessels are being built at Nantong CIMC SOE for Navigator Amon Shipping, a joint venture of Navigator Gas and Amon Maritime.
• Wärtsilä said sustainable ammonia use can cut total greenhouse gas emissions by at least 90% versus comparable diesel engines.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Wärtsilä Oyj published the original content used to generate this news brief on July 16, 2026, and is solely responsible for the information contained therein.