The 14,000-pound TIV-2 is just such a vehicle. Based on a Ram pickup, the TIV-2 has six wheels, with a tandem set in the rear. Power comes from a Cummins turbodiesel engine, but acceleration and ...

We first saw Sean Casey's latest and greatest in mobile tornado chasing insanity, the TIV-2, in a spy photo back in May, but now Sean's given us this exclusive first-hand look at the truck-based ...

Casey and his team built the TIV-2 using a Dodge Ram 3500 as a base. However, the six-wheel vehicle was plagued with problems leading Casey back to the drawing board for a series of improvements ...