Torque limiting device for road milling machine

A method of limiting torque in a drive train, the method comprising:

• coupling a shear element to a rotating drive component of a drive train, wherein the rotating drive component includes a first rotating element and a second rotating element, wherein the first rotating element and the second rotating element are arranged in a concentric arrangement such that the second rotating element is positioned within the first rotating element, and the shear element extends radially between and is coupled to each of the first rotating element and the second rotating element, the shear element having a wedge shape and a lower breaking strength than other components in the drive train;
• and
• the shear element breaking if a torque within the drive train exceeds the shear element's breaking strength, wherein if the shear element breaks the first rotating element and the second rotating element are decoupled from each other and rotate independently of each other.