Sometimes you get inspiration for a build from... your PhD thesis. This is the biggest land vehicle I've ever built. It's a Kenworth C500 chassis with a K100 COE cab, making the most of the available space for heavy machinery. These 40-ton AWD trucks are used in natural gas extraction, pumping huge amounts of water and proppant to fracture rock deep underground. It took a long time to design and build this truck. Not because there are many technical solutions, no. I just wanted to make the...