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24th Jun 2026
The Rolls-Royce MT30 marine gas turbine (image: Rolls-Royce)
The Rolls-Royce MT30 marine gas turbine has been selected to power Australia’s new fleet of general-purpose frigates, following the Royal Australian Navy’s decision to adopt an upgraded variant of Japan’s Mogami class, designated the New FFM or 06FFM, as its replacement general-purpose frigate platform.
The propulsion arrangement in the Mogami class is a combined diesel and gas (CODAG) configuration comprising a single MT30 gas turbine and two MAN 12V28/33D STC diesel engines, driving twin shafts equipped with controllable-pitch propellers, to achieve a maximum speed exceeding 30knots. The Mogami class marks the first installation of a CODAG system on any Japan Maritime Self-Defense Force ship. Australia has confirmed the MT30 will continue in that role for its fleet. The first of the frigates is scheduled for delivery to Australia in