SUSPENSION DEVICE AND ALL-TERRAIN VEHICLE

A suspension device and an all-terrain vehicle are provided. The suspension device includes: a first rocker arm having a first end provided with a first position limiting portion; a second rocker arm spaced apart from the first rocker arm; and a steering knuckle arranged between the first end of the first rocker arm and the second rocker arm. The steering knuckle is connected with the first end of the first rocker arm and a first end of the second rocker arm, and the steering knuckle includes a third position limiting portion configured to be fitted with the first position limiting portion. The third position limiting portion is configured to abut against the first position limiting portion when the steering knuckle is moved to a first extreme height position and the all-terrain vehicle has a first maximum steering angle.