Propulsion system for a self-propelled vehicle with multiple electric drive units

A propulsion system for a self-propelled vehicle comprising:

• a single body electric propulsion unit;
• a clutch coupling located downstream of and mechanically connected to the electric propulsion unit;
• and
• a gearbox with discontinuous gear ratios, having an input shaft connected to the clutch coupling and an output shaft coming out to an outside of the motor body;
• a single ring gear supported by the clutch coupling;
• a motor body combining together the electric propulsion unit, the clutch coupling, the ring gear and the gearbox;
• a mechanical drive connecting the output shaft to driving wheels of the vehicle;
• the electric propulsion unit comprising components of at least two brushless motors, each of the at least two brushless motors including a respective driving shaft including a pinion meshingly coupled to the ring gear in a respective predetermined ratio such that the at least two brushless motors all drive the single ring gear.