J-ENG


UEC60LSJ ammonia-fuelled engine render. November 2, 2026
J-ENG secures orders for four ammonia-fuelled engines under Japanese PCTC project  

Vessels form part of plan to build four ammonia-fuelled car carriers, a dedicated bunkering vessel and supply chain.
Hydrogen-fuelled engine 6UEC35LSGH. March 30, 2026
Japan consortium achieves hydrogen co-firing in main engine for large commercial vessel  

Engine reaches over 95% hydrogen co-firing ratio, with installation planned for 2027.
Japan Engine Corporation (J-ENG) logo. December 17, 2025
J-ENG starts development of methanol-fuelled marine engine  

Japanese engine maker targets 2027 completion for UEC50LSJM model following ammonia and hydrogen engine projects.
Japan Engine Corporation staff and world's first commercial ammonia-fuelled engine. September 2, 2025
J-ENG completes world's first commercial ammonia-fuelled engine  

Dual-fuel engine achieves 90% greenhouse gas reduction in testing ahead of 2026 vessel deployment.