The seated audience listened to music as the lights faded, and spotlights highlighted various parts of the machines, which were positioned at obscure angles on the set. As the music reached a crescendo the machines were completely unveiled, accompanied by a light and firework display.
This was followed by a speech from a Caterpillar representative, and dinner.
Local Spanish firms provided the audiovisual equipment and pyrotechnics.
SBPC director Simon Hayden said: "The objective was to welcome delegates and get them excited about the product prior to a three-day product training course."