Industrial truck

The present invention refers to an industrial truck comprising a suspension unit (12', 50) for a driving and steering wheel (4, 56), the industrial truck further has at least two side wheels (5). The truck further comprises restraining means (20) in engageable connection with the driving and steering wheel (4, 56), such that the restraining means (20) are capable of decreasing or stopping the vertical movement (V) of the driving and steering wheel (4, 56).