The main objective of this project is the design, development and industrialisation of the new speed boxes TX26g2 and TX30g2 in the factory of Seville, with the added objectives of: _x000D_ _x000D_ TX26: Reduction of gr CO2: between 1.5 and 2.3 g CO2_x000D_ TX30: torque increase from 260 Nm to 300Nm _x000D_ _x000D_ These speed boxes are aimed at the mid-range of engines, among which the new generations of the K9 (diesel 1500) and the H5 (petrol 1200) and the medium range of vehicles that will replace the current Renault Megane, Scenic, Kadjar and Nissan, Qashqai, X.Trail, etc.