Presented is a heavy vehicle, such as a transport vehicle or a civil engineering vehicle, of a mass greater than 500 metric tons. At least a portion of the protrusions is spaced from the cutting edge such this portion protrudes, along a plane perpendicular to the relief surface and passing through the cutting edge, in a direction transverse to the relief surface beyond the cutting edge. The damping member can rest on a bottom plate which is fastened by a fastening member. A seal head is engaged with the first end of the high pressure cylinder to define a seal therebetween and an end cap is coupled to the second end of the hollow stud and the seal head. In accordance with the determination signal, a selection circuit generates output data expressing the second original data and the data type in a first expression format or output data expressing the complement data of the second original data and the data type in a second expression format.