The B-division tractor (4 tons modified class on diesel) from denmark, Vikingen. Is running with the old F16 engine from volvo, but a industrial version of it
They started the 2011 season on a stock engine, only with tuned dieselpump and a bigger turbo, and the came in 3rd place in the championchip. Really impressive. This winter, they are using the time to tune the engine, så that they can be better the next season.