B-doubles Australia It is one of the heaviest and longest trucks which is commonly known as the Road-Train. Moreover, Australia has the longest and heaviest road-trains in the world. https://en.wikipedia.org/wiki/B-train # Volvo-NH15 BP-TANKER It is also known as triple-road-train that is getting longer and longer up-to 50-meters of length. This massive truck is Used in Australia, Mexico & Argentina due-to its excellent fuel-economy. http://www.volvotrucks.com/en-en/home... # Scania-R730 Qube Scania-R730 is another massive truck that you can find in Australia. Scania has just built its biggest ever truck, The Scania-R730. https://goo.gl/ScibaS