The monster chopper, 6x6 Kei truck, and 100hp 4x4  power wheels all go to the craziest off-road party on earth! King of ...

The CXT (commercial extreme truck) is marketed at launch as a work/play 4x4 crew cab pickup, with sprawl room for five. It dwarfed the Hummer H2, and was touted as possibly the next BIG thing.

The world's biggest truck costs about $3 million and can carry and dump a 400-ton load. Loaded, it can weigh 624 tons. The diesel-to-electric engine system has more in common with a railroad train ...