摘要 |
A power drive system for road vehicles comprises, in series relationship, at least a prime motor (1), at least a hydraulic pump (2,4) driven by the prime motor and at least one hydraulic motor (10,11) connected to the hydraulic pump (2,4) and driving a differential gear (12,13) interposed between the hydraulic motor (10,11) and a respective pair of driving wheels (14,15). |