When the going gets tough, sometimes the tough stuff up! The break downs, nightmares and bad decisions in the longest, heaviest trucks in the world.

In the land Down Under, where the terrain is tough, the weather extreme and the towns remote we reveal the toughest, the craziest, the most epic loads of all time.

On this Outback Truckers special it's only the brave, the experienced or the darn right crazy who dare take on Australia's toughest roads.

Boe Vella takes on fire and flood in the Top End, Steve Grahame's hot shot run to Broome begins to unravel and Mark Pett's short cut becomes a nightmare of diesel and dust.

Car wreckers Mike and Bozza tackle the sand dunes of Northwest Australia for a big payday and long-haul truckers, Mish and Drew, go swimming as wet season flooding swamps Australia's Top End.

House mover Robbie MacKay is dragging a house up a mountain and long-haul drivers Mish Aladin and Drew Norman…hauling two massive mining tippers, are trapped by rising floodwaters.

With permit deadlines fast approaching Robbie Mackay's house movers strike the wrong kind of oil. And in the South Australian desert, Karen Ellis struggles to get cankerous camels to the vet.

Car wrecker's Mike Elliott and Michael Bozza are pushing their trucks beyond their limits and swapping his fuel tankers for a horse float, Sludge Andrews is feeling the heat in bush fire country.

Veteran long haul driver Mick King is about to take an 18-metre long road train into the Great Sandy Desert to rescue two abandoned vintage army trucks for a good cause.

Steve Grahame and dog Bella are in a race across the red deserts of Australia's centre hauling classic cars to auction but delays in loading and the arrival of the Wet season threaten the journey home

Jeff Fulwood is taking on one of the most notorious roads in Australia to deliver a vital supply run to a remote community in the Top End… the only problem - it's missing an essential load

The stakes are high as Danyelle and Anthony Haigh battle extreme heat and dust drilling in search of life giving water for one of the most remote cattle stations in Australia.

In the wilds of Australia's Northern Territory, 24-year-old trucker Boe Vella crosses croc infested rivers to deliver desperately needed goods before the wet season hits.