LONGITUDINALLY PROVIDED VEHICLE DRIVING ASSEMBLY HAVING SINGLE POWER SOURCE

The present disclosure discloses a longitudinally placed vehicle driving assembly having a single power source, which solves the technical problems of the vehicle driving assemblies in the prior art such as larger volumes and poor transmission performances. The driving assembly is connected to a transmission shaft or a vehicle axle half shaft of a vehicle and provided with an automatic transmission. The automatic transmission includes an input shaft (). A power source () is connected to the input shaft (). An output shaft () is provided coaxial with the input shaft (). An intermediate shaft () is provided parallel to the input shaft (). A first-stage reduction-gear train is installed through the input shaft () and the intermediate shaft (). An Nth-stage reduction-gear train is installed through the intermediate shaft () and the output shaft (), wherein N≥2. Each of the stages of the reduction-gear trains includes a pair of gears having a different transmission ratio. The output shaft () of the power source () and the input shaft () of the automatic transmission are integrally manufactured. A rear cover of the power source () and a front housing of the automatic transmission are integrated. The driving assembly is placed in the front of the vehicle, and drives rear wheels of the vehicle.