Jan Oeltjenbruns from Habern Zwei in north Germany, is building a new 600kg modified tractor at the moment. The new 600kg modified tractor gets 2 Suzuki Hayabusa motorcycle engines on petrol fuel and a new wedge frame with a new ROP. The engines sit side by side on the tractor. Also, the tractor gets a homemade crossbox. Jan use on the tractor a set used Trelleborg tyres with light steel rims. The first start of the new 600kg modified tractor is planned for 2015 in the German Championship.