Hi Sascha!
We have started to build new 2.5t and 3.5 ton modified.
There is some pictures.
http://www.teamgravedigger.com/tiedotteet/2008/3/index.html
2.5 ton we will use 2 V8 with turbos and 3.5 ton we use 3 engines.
We'll build a new engine for Another Grave Digger too.
CU.
Jarmo / Team Grave Digger