Japan Engine Corporation completed its first commercial hydrogen-fuel engine in September 2026 and plans to ship it in January 2027, according to its interim results. The company calls it the world's first low-speed two-stroke marine engine of its kind, and says demonstration running confirmed it met its intended performance.
A milestone that cost sales
The demonstration had a price. The company says it put part of a production line to work on the unit and that sales timing shifted with customer delivery dates. Marine engine sales fell 22.2% to ¥5.94bn for the six months to 30 September. Management expects the factory's load adjustments to ease as the engine is completed and shipped, and it forecasts full-year engine sales above the prior year.
What lifted the guidance
The same day Japan Engine raised its outlook for the year ending March 2027. Sales are now forecast at ¥34bn, up from ¥32.7bn. Operating profit is guided to ¥6.36bn from ¥5.88bn, and net profit to ¥5.51bn from ¥5.01bn.
The company's explanation for the upgrade cites a firm newbuilding market, steady maintenance-parts sales and its China licensee, whose rising output is lifting parts supply and royalty income. It also says the hydrogen engine was finished on plan, that factory load adjustments are being unwound after completion, and that it expects production to recover in the second half. Repair and parts sales rose 22.8% to ¥9.39bn in the half.
The year-end dividend forecast rises to ¥81 per share from ¥70, taking the full-year forecast to ¥111 against ¥88 last year.
The disclosures give no customer or order for the hydrogen engine, and they do not mention certification or emissions results. Delivery, which the company says is on track within the fiscal year, is the next test.