DRIVELINE OF A HYBRID VEHICLE, IN PARTICULAR OF AN INDUSTRIAL OR COMMERCIAL VEHICLE

Driveline of a hybrid vehicle, in particular of an industrial or commercial vehicle, the driveline comprising a gearbox (GR) having an input shaft (GRIN) adapted to be connected with a thermal drivetrain (E) and an output shaft (GROUT) to drive a driving axle (DS) of a vehicle and first processing means (GRUN) to identify an optimal transmission ratio based on a signal of a first speed sensor (SPS1), a main drive shaft (MS), interposed between the output shaft (GROUT) and said driving axle (DS), a first auxiliary clutch (PSC) to interconnect said main drive shaft and said output shaft, wherein said main drive shaft is associable with an electric drivetrain (E) regardless of a state of opening or closing of said first auxiliary clutch (PSC) and wherein said first speed sensor is connected stably with said main drive shaft (MC) to measure a related first speed.