Patent ID: 7665556

Claim:
A heavy load-carrying vehicle of a mass greater than 500 metric tons and operable to generate a motive power, comprising: a front axle; at least two front tires mounted on the front axle; a rear axle for transmitting at least part of the motive power, the rear axle being spaced from the front axle; and at least four rear tires mounted on the rear axle, wherein each of the front and rear tires has a diameter greater than 3.5 meters and an axial width greater than 37 inches, wherein, at least when the vehicle is following a non-rectilinear trajectory, the at least two front tires transmit part of the motive power, and wherein at least when the vehicle is following a non-rectilinear trajectory, at least one of the at least two front tires each have different speeds of rotation, and the at least four rear tires each have different speeds of rotation.