Disclosed is a longitudinally mounted dual-power-source vehicle drive assembly, comprising an automatic transmission (10), a first power source (71) and a second power source (72), wherein a transmission input shaft (21) and a transmission output shaft (32) of the automatic transmission (10) are coaxial; the transmission input shaft (21) is connected to an output shaft of the first power source (71), the transmission output shaft (32) is connected to an input shaft of the second power source (72), an output shaft of the second power source (72) is connected to a half-shaft of an axle (50), and the automatic transmission (10) has two transmission ratios. Direct drive and speed change functions, and direct drive and speed reduction functions of dual electric motors can be achieved, multiple transmission ratios are formed, transmission modes are flexible, the radial size of the drive assembly is reduced, there is no power interruption during shifting gears, and the running smoothness, power performance, acceleration performance and climbing capacity of a vehicle are improved.
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