Engine News

The Australian Maritime Safety Authority (AMSA) has concluded a 24‑day response operation to support a vessel in distress in the Coral Sea, Queensland, preventing risk to the Great Barrier Reef, the marine environment and seafarers.On February 1, AMSA received reports that Liberian‑flagged Swift Hangzhou was experiencing engine failure. AMSA immediately initiated response arrangements to coordinate a safe and effective outcome lasting over three weeks due to the complexity of the incident.

In collaboration with Linde Gas & Equipment, ESAB announced that its new Ruffian EMP 270G EDW engine‑driven welding generator will make its official debut at CONEXPO‑CON/AGG 2026 and attendees can place orders directly in Linde’s booth (S63335). ESAB and Linde have also teamed up to offer exclusive, show‑only pricing during CONEXPO, which runs March 3–7 in Las Vegas.The show special packages feature the Ruffian EMP 270G with an Sentinel A60 welding helmet, a Sentinel A60 helmet and a Thermal Dynamics Cutmaster 50+ hand-held plasma cutter…

Swiss marine power company WinGD has completed both Type Approval Testing (TAT) and Factory Acceptance Testing (FAT) of its ammonia-fueled two-stroke marine engine, marking a milestone in efforts to decarbonize shipping.The test programs were completed in January 2026 on the X52DF-A-1.0 engine at HD Hyundai Heavy Industries’ Engine & Machinery (HHI-EMD) facility in South Korea. The tests were witnessed by classification society Lloyd’s Register together with representatives from major classification societies…

Mitsubishi Shipbuilding, a part of Mitsubishi Heavy Industries (MHI) Group, has shipped the first ammonia fuel supply system (AFSS) and ammonia gas abatement system (AGAS) for Japan Engine Corporation.The systems are designed for J-ENG’s first ammonia-fueled marine engine model 7UEC50LSJA-HPSCR and represent the first units produced by Mitsubishi Shipbuilding. Commissioning work for the systems will begin in due course.The AFSS is designed to supply ammonia fuel to the engine in a stable and safe manner…

Yanmar Power Solutions Co., Ltd., a subsidiary of Yanmar Holdings, has become the first engine manufacturer in Japan to obtain both type approval certificate1 and NOx certificate2 from Nippon Kaiji Kyokai (ClassNK) for its pilot-ignition hydrogen-fueled 4-stroke high-speed engine for power generation for domestic coastal vessels as part of the Nippon Foundation’s Zero Emission Ships Project.In 2025, Yanmar Power Solutions was intensifying its land-based demonstration tests utilizing a small amount of Hydrotreated Vegetable Oil (HVO) as a pilot fuel…

Wärtsilä will supply the main engines for two new pusher tugs being built for Brazilian operator AMAGGI. The ships are under construction at the Beconal shipyard, located in Manaus, Brazil, and are designed with a focus on decarbonized operations. The engines will run on biodiesel, a capability that was a key factor in securing this contract. The order with Wärtsilä was booked in Q4 2025.The ships will each operate with two Wärtsilä 20 engines, equipped with a Wärtsilä Data Collection Unit (WDCU).

GE Aerospace's Marine Engines & Systems has received orders to supply eight LM2500 marine gas turbine engines for the U.S. Navy's next two Flight III Arleigh Burke-class guided-missile destroyers: the future USS Intrepid (DDG 145) and USS Robert Kerrey (DDG 146). Each destroyer is powered by four LM2500 engines, providing the proven propulsion power that has made the Arleigh Burke class the backbone of the U.S. Navy's surface fleet for over three decades.As of January 2025, 74 Arleigh Burke-class destroyers are active with GE Aerospace’s LM2500 engines being the prime mover for propulsion.

Swiss marine power company WinGD has introduced its first high-pressure LNG dual-fuel engine, the X-DF-HP, developed specifically for the demanding operating profiles of ultra-large container vessels (ULCVs).Unveiled at Marintec China 2025, the new engine arrives at a pivotal moment for shipowners navigating the energy transition, with the IMO’s Net Zero Framework currently paused and the prospect of regional regulation becoming increasingly fragmented. As a result, interest in LNG-fueled tonnage continues to accelerate.Available in X82 and X92 bore sizes…

Safety management system procedures were not effectively implemented when the Spirit of Tasmania I’s second engineer was seriously injured in a fall during engine maintenance earlier this year, the final report from an Australian Transport Safety Bureau (ATSB) investigation confirmed.The accident occurred during a routine oil change on one of the ship’s main engine turbochargers, while it was berthed in Geelong, Victoria, on March 6.Problems encountered during the work led to the decision to replace the turbocharger’s bearing housing cover plate.

After sustaining extensive damage in a December 2024 fire, the tug Lucinda Smith has returned to the water with a fresh start powered by Mitsubishi S12R-Y3MPTAW-3 Tier 3 engines rated at 1260HP @1600RPM each. The repower was completed by Windward Power with support from Laborde Products, giving the rebuilt vessel renewed strength and reliability.Built in 1975 for the U.S. Navy as YTB-140, the Lucinda Smith has sailed under multiple owners and through several repowers across the country. That long history nearly came to an end with the New Bedford fire, but operator Robert B.

Maritime Partners has repowered the pushboat M/V John Austin, replacing its Cummins QSK38 (1300 hp @ 1800 rpm) with a Mitsubishi S12R-Y3 engine rated at 1260 hp @ 1600 rpm. After 28,000 hours on the previous platform, the decision to repower was driven by the need for reliability, reduced downtime, and a smarter long-term investment.The repower installation leveraged the vessel’s existing systems while making minor modifications. The S12R-Y3 fit within the original rail centers and paired with the Reintjes WAF 665 gearbox via adapter plate.

Accelleron has signed an agreement with Hyundai Marine Solution (HMS), the aftermarket and digital division of shipbuilder HD Hyundai Group, to enter a strategic cooperation on digital solutions. Two Accelleron solutions will cover engine and turbocharger monitoring and optimization. Under the partnership, the companies will seek closer integration and further efficiencies across digital tools. These include HD Hyundai Marine Solution's ship management system, Integrated Smart Ship Solution ISS 2.0 and AI-based emissions monitoring solution OceanWise…

Technology group Wärtsilä has introduced its NextDF technology for a third engine, the Wärtsilä 46TS-DF dual-fuel engine. While operating on liquefied natural gas (LNG), the Wärtsilä 46TS-DF engine with NextDF feature reduces methane emissions to less than 1.4 percent of fuel use across all load points, achieving as low as 1.1 percent in a wide load range. This is nearly three times lower than the default methane slip factor of 3.1 percent, specified in the FuelEU Maritime and IMO Lifecycle Guidelines for Otto-cycle four-stroke dual-fuel engines.

WinGD has signed a memorandum of understanding (MoU) with Qatar Shipyard Technology Solutions, a leading shipbuilder and repair yard, to expand engine aftercare and technical services in the Middle East. The partnership, agreed upon during Nor-Shipping in June, will strengthen delivery of WinGD’s new lifecycle services offer, Global Service by WinGD, to Middle Eastern ship operators by enhancing regional capabilities in engine maintenance, repair, overhaul, and retrofitting.The collaboration will leverage Qatar Shipyard Technology Solutions’ strategic location and quality infrastructure…

Rolls-Royce has been selected by Catalina Express of San Pedro, CA (USA) to supply the marine propulsion system for its new high-capacity ferry. The 500-passenger vessel, which will be the largest in the Catalina Express fleet upon completion, will be powered by four mtu 12V4000 M65L engines, delivering a combined output of over 7463 kW (10,000 bhp). The new ferry is part of the Port of Los Angeles’ $31 million LA MER project, which is funded by the California Air Resources Board (CARB).

Wärtsilä’s 4-stroke engine-based solution for ammonia fuel now delivers higher than ever levels of efficiency and performance.Following its introduction to the commercial marine sector in November 2023, the ammonia solution has undergone extensive testing to optimize its performance parameters. The latest results, assessed against the FuelEU Maritime reference and measured on both a Well-to-Wake and Tank-to-Wake basis, show that a 95 percent ammonia energy share now achieves up to a 90 percent reduction in greenhouse gas emissions compared to equivalent diesel engines.

Wärtsilä will upgrade the Wärtsilä RT-flex main engines on two bulk carrier vessels owned by Turkey-based Ulusoy Sealines. The planned engine retrofits and upgrades will extend the vessels’ operational life and improve both performance and fuel efficiency, thereby significantly reducing emissions. The orders were booked by Wärtsilä in Q4 2024 and Q1 2025.With the integration of Wärtsilä Part Load Optimization (WPLO), Intelligence Combustion Control (ICC), and Fuel Actuated Sackless Technology (FAST), a CII improvement of 5% is anticipated, equating to a 2-year extension of the CII rating.

Everllence has announced the world’s first conversion of an Everllence B&W S90 two-stroke engine to dual-fuel methanol running following the successful sea-trials of COSCO Shipping Lines’ 20,000+ TEU container vessel, COSCO Shipping Libra.The vessel’s 11S90ME-C engine was retrofitted to an 11S90ME-LGIM (-Liquid Gas Injection Methanol) unit.Everllence PrimeServ – Everllence’s after-sales division – partnered with COSCO Shipping Heavy Industry from concept to execution in delivering the world’s first S90 methanol engine retrofit…

Kawasaki Heavy Industries, Ltd., Yanmar Power Solutions Co., Ltd. and Japan Engine Corporation announced they have successfully conducted the world’s first land-based operation of marine hydrogen engines. The demonstration took place at Japan Engine’s headquarters factory, where a newly installed liquefied hydrogen fuel supply system was utilized.The project is a part of Green Innovation Fund Projects / “Next-Generation Ship Development” of the New Energy and Industrial Technology Development Organization (NEDO)…

Cox Marine announced a series of changes to its commercial operations and sales leadership structure. Over the past three years, Cox Marine has made strides to deliver its first product to market—the 300 V8, the world’s first purpose-built, high-horsepower diesel outboard. Cox Marine is also progressing through the final validation stages for the market-disrupting 350 V8. With these changes, Cox Marine has completed its transition to a business-to-business (B2B) sales model with a defined growth strategy…

WinGD has launched its global service offer, expanding the original parts supply, in-service support and technical advisory it currently delivers during the engine warranty period across the entire vessel lifecycle. Global Service by WinGD will support ship operators by maximizing the profit-making potential of their engines and vessels, maintaining optimal efficiency and extending the compliant lifetime of their assets.Global Service by WinGD complements the full lifecycle support already offered to global WinGD users through digital optimization…

Chem Carriers has completed the repower of the M/VCapt. Robert J. Banta, marking the final vessel in its current fleet to be powered by Laborde Products-supplied Mitsubishi engines. The twin-screw towboat is now running on twin Mitsubishi Tier 3 S12R-Y3MPTAW engines, each delivering 1,260 horsepower at 1,600 RPM.Originally built in 2015 by Main Iron Works of Houma, Louisiana, the 78-foot Capt. Robert J. Banta previously operated with Cummins QSK38 engines. With this repower, Chem…

Swiss marine power company WinGD and marine engine manufacturer Hanwha Engine have produced the world's first X72DF-2.2 VCR engine equipped with Variable Compression Ratio technology. This low-emission engine technology, developed by WinGD for ships using both LNG and diesel fuel, maximizes fuel efficiency and reduces methane slip which means vessels can operate more cleanly and cost-effectively, ensuring compliance with stricter emissions regulations.The two companies held a…