France’s Directorate General of Armament (DGA) and the Aeronautical Industrial Service (SIAé) have delivered to the French Army the first two Leclerc tank turbomachines overhauled in-house, the DGA announced on October 5, 2026. The units completed deep industrial maintenance at the state-owned Aeronautical Industrial Workshop (AIA) in Bordeaux, arrived ahead of schedule, and recovered their full original performance in acceptance testing, according to the DGA.
The deliveries close a reindustrialization effort run under the Leclerc mid-life upgrade, which is bringing 200 French main battle tanks to the XLR standard. The DGA ordered the renovation of 50 tanks in 2021, 50 in 2022, and 100 more on December 24, 2024. Under the 2024-2030 Military Programming Law (LPM), 160 Leclerc XLR are due by the end of 2030 and the last 40 by 2035. With Leclerc production ended in 2008 and the Franco-German Main Ground Combat System (MGCS) not expected before about 2040, the fleet’s powerpacks must stay serviceable for another 15 years.
Inside the Leclerc Tank Turbomachine and Its Hyperbar Powerpack
The Leclerc runs on an eight-cylinder SACM V8X-1500 Hyperbar diesel, rated at 1,500 hp at 2,500 rpm according to publicly available specifications; the French Army now lists the engine as a Wärtsilä V8X. The turbomachine is the core of the Hyperbar arrangement. In the DGA’s description, it forces compressed air into the cylinders, raising the power available to the drivetrain.
Publicly available descriptions of the Hyperbar concept indicate a low-compression diesel paired with a turbocharger loop that has its own combustion chamber, letting the compressor sustain high boost pressure largely independently of engine speed. The payoff is torque at low revolutions: open-source figures credit the Leclerc with acceleration from 0 to 32 km/h in about 5.5 seconds and road speeds above 70 km/h, at a mass the French Army gives as 56 to 63 tonnes, with a range of 615 km.
Open-source references identify the unit as the Turbomeca TM 307B; Turbomeca is now Safran Helicopter Engines, which the DGA names as the turbomachine’s designer. Published accounts differ on whether the TM 307B also serves as an auxiliary power unit, and the DGA describes only its boost role. Either way, it is a gas-turbine assembly from a helicopter-engine manufacturer, so its overhaul sits closer to aero-engine practice than to diesel repair, and its condition sets the power reserve a crew can draw on in combat.
How the DGA Moved NTI3 Turbomachine Maintenance to AIA Bordeaux
The delivered work falls under NTI3, the third and deepest technical intervention level in French equipment maintenance, which covers industrial overhaul beyond the reach of unit and Army workshops. Within the renovation program, the DGA commissioned a study on reindustrializing this activity from KNDS, the tank’s prime contractor and support provider, and from Safran Helicopter Engines. It also tasked AIA Bordeaux with monitoring the work and preparing to take over support.
At the end of the study, the DGA chose to keep the activity inside the Ministry of the Armed Forces and Veterans, ordering it from the SIAé in July 2023 with Safran Helicopter Engines as subcontractor. The agency cites tighter control of maintenance costs and an ambitious reindustrialization timetable, and states that the AIA came in below industrial quotes. It has not published the contract value or the size of the savings.
Bordeaux brings existing turbine depth. The SIAé, the ministry’s industrial maintenance service for military aircraft and equipment, runs AIA Bordeaux as its engine center, with a portfolio that has included the M88 of the Rafale, the M53 of the Mirage 2000, the Larzac of the Alpha Jet, the TP400 of the A400M, and helicopter turbomachines. The Leclerc arrangement mirrors M88 support, where the SIAé and Safran work under parallel contracts notified in 2021.
25 Units a Year: Sustaining the Leclerc XLR Fleet to 2035
With the reindustrialization work complete, the first deliveries open the production phase, with a target of 25 renovated turbomachines a year from 2027. Contract monitoring now passes from the DGA to the Integrated Structure for the Through-Life Support of Land Equipment (SIMMT), the ministry’s sustainment authority for land materiel, the usual handover once a capability moves into routine support.
The rate needs fleet context. The French Army took delivery of 406 Leclerc tanks between 1993 and 2007. According to a ministry answer to the National Assembly, 173 tanks not slated for renovation were withdrawn and used as spare-parts reservoirs, cutting support costs, but that pool is finite. At 25 units a year, the AIA line could cycle one turbomachine per tank across a 200-strong XLR fleet in eight years. The overhaul interval in operating hours and the size of the spare turbomachine pool have not been disclosed, so true coverage remains unknown.
Mobility underwrites the rest of the XLR package, from SCORPION vetronics, the SICS combat information system, and CONTACT radios to added protection against mines, improvised explosive devices, and rockets. With new Safran Electronics & Defense digital sights not due before 2028, availability will shape readiness through the late 2020s.
Analysis: The turbomachine decision shows France treating sustainment of an out-of-production fleet as a sovereignty and cost question, not a default industrial service. For a low-volume component with a single design authority, OEM pricing faces little competitive pressure; a state workshop with existing turbine skills gives the ministry a production line and a cost benchmark against industry quotes. The model does not remove dependence on Safran Helicopter Engines, which remains subcontractor and design holder, but it places the labor-intensive overhaul and its schedule under direct ministry control. For a NATO ally expected to commit heavy armor at short notice, that grip on availability matters more than the headline savings.
The next milestone is a steady 25 units a year from 2027 under SIMMT management. Open questions include the contract value, the savings achieved, and how far ahead of schedule the first units arrived. The DGA has not signaled whether the model will extend to other Leclerc powerpack subassemblies.