Patent ID: 7878278

Claim:
A heavy vehicle of a mass greater than 500 metric tons configured to carry heavy loads and operable to generate a motive power, the vehicle comprising: tires of radial structure having a diameter greater than 3.5 meters; a front axle coupled to at least two tires; and at least one rear axle coupled to at least two tires and by which is transmitted at least part of the motive power, wherein at least one of the axles comprises at least four tires associated in pairs symmetrically on either side of the axle, the each associated pair of tires comprises an axially inner tire and an axially outer tire, wherein the two tires of each associated pair of tires have different axial widths, and wherein only the axially inner tire of the two tires of each associated pair of tires transmits at least part of the motive power.