In 1963, facing strong competition from other bus manufacturing companies in Greece, it ventured into fire-fighting vehicle manufacture mainly on International Harvester chassis (chassis assembled by Tangalakis from SKD kits).
By 1963, the company was compelled to enter the market for fire trucks due to intense rivalry from other bus manufacturers in Greece. It achieved this by manufacturing fire trucks mainly on International Harvester chassis that were assembled by Tangalakis using SKD kits.