Abstract: A vehicle transmission includes two aligned axles, a sleeve assembly adapted to be driven by a power source to rotate about a central axis thereof, and two ratchet mechanisms disposed respectively at two opposite axial ends of the sleeve assembly. The ratchet mechanisms are connected respectively to the axles in such a manner to allow for transfer of rotation from the sleeve assembly to the axles via the ratchet mechanisms when the sleeve assembly is rotated in a positive direction, while preventing transfer of rotation from the axles to the sleeve assembly via the ratchet mechanisms, thereby permitting the axles to rotate at different speeds.