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First Upgraded RM12 Engine Delivered

First Upgraded RM12 Engine Delivered to Swedish Air Force
GKN Aerospace has successfully delivered the first upgraded RM12EP engine to the Swedish Armed Forces, marking a pivotal advancement in the enhancement of the Gripen C/D fighter fleet. This delivery forms part of a comprehensive programme aimed at extending the operational lifespan and improving the performance of the Gripen C/D aircraft, which have been in service for between 11 and 23 years.
The RM12EP Upgrade Programme
Initiated in 2019 and valued at approximately SEK 400 million (£32 million/$42.8 million), the RM12EP (Enhanced Performance) programme seeks to augment the capabilities of the Swedish Air Force’s Gripen C/D fleet. The upgrade involves the integration of advanced turbine hardware alongside updated engine control software. These improvements are designed to increase engine thrust, prolong operational hours, and reduce lifecycle costs, thereby ensuring that the Gripen C/D remains a highly capable and cost-effective platform for the foreseeable future.
All upgrade activities are carried out at GKN Aerospace’s facility in Trollhättan, Sweden. The company oversees the development, manufacture, system support, and maintenance of both the RM12 engine for the Gripen C/D and the more powerful RM16 engine for the newer Gripen E/F variant. The RM16 engine entered service with the Swedish Air Force in October last year as part of a 60-aircraft procurement, underscoring GKN Aerospace’s integral role in supporting Sweden’s evolving air combat capabilities.
Collaboration and Future Deliveries
The delivery of the first RM12EP engine highlights extensive cross-functional collaboration within GKN Aerospace, involving teams from engineering, production, quality assurance, procurement, and logistics, as well as key partners GE and Saab. Additional upgraded engines are scheduled for ongoing delivery to the Swedish Armed Forces in accordance with the programme timeline.
Despite anticipated challenges stemming from global supply-chain disruptions, GKN Aerospace’s strong aftermarket support and improved contractual margins have contributed to increased profitability for Rolls-Royce’s aerospace division, even amid a recent decline in overall engine deliveries.
The upgraded RM12EP engine will serve as the foundation for continued operation and maintenance of the Gripen C/D fleet, reinforcing Sweden’s commitment to sustaining a modern and effective air force. GKN Aerospace remains responsible for ensuring the reliability and performance of both the RM12 and RM16 engines as part of its enduring partnership with the Swedish Armed Forces.

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