Patent ID: 9694861
Date: 2017-07-04
CPC Classifications: B62D,E02F

Claim:
1. A suspension assembly of a work machine being movable in a forward direction, the work machine including a frame, an undercarriage supporting the frame, at least one boom arm pivotally coupled to the frame, and at least one ground-engaging track, comprising: a torsion assembly, the torsion assembly including an axle adapted to be coupled to the undercarriage, a torsion bar adapted to be fixedly coupled to the frame, and an axle arm coupled at one end to the axle and at an opposite end thereof to the torsion bar; a locking arm having a first end and a second end, the first end being coupled to the axle arm; and a hydraulic actuator coupled to the second end of the locking arm, the hydraulic actuator being operably controlled between a locked configuration and an unlocked configuration; wherein: in the unlocked configuration, the axle arm is pivotable relative to the frame; and in the locked configuration, the axle arm is restricted from pivoting relative to the frame.