Auvertrack. 4x4 mountain tractor

Auvertrack. 4x4 mountain tractor of Ateliers Berry Chaudronnerie, St Amand Montrond, France. J M M at SIMA on feb 1997. http://www.nos-machines.com/occasion/chariot-t%C3%A9l%C3%A9scopique/51118/AUVERTRACK-1570.html