Patent ID: 6962359

Claim:
An arrangement for the suspension of wheels of a working machine moving on a terrain, the arrangement comprising a pair of adjacent wheels arranged to support a frame part placed on a center line between the wheels, suspensions arranged between each wheel and the frame part to elevate and descend each wheel with respect to the frame part, wherein each suspension comprises a lower suspension arm and an upper suspension arm, which lower suspension arms are mounted by means of first joints to the frame part and by means of second joints to mounting arms in which the wheels are mounted in a rotatable manner, and which upper suspension arms are fixed by means of third joints to the frame part and by means of fourth joints to the mounting arms, wherein the wheels are mounted to the mounting arm in a turnable manner, wherein they are arranged to be turnable around a substantially vertical axis, and the wheel is arranged to be turned by means of a cylinder actuator coupled between the mounting arm and the wheel.