Deutz Bull v1.2.4 Tractor by FS 2017 mods · December 16, 2018 Deutz Bull v1.2.4 Tractor The Deutz Bull. Big Tractor for the Big Farmer. Version 1.2.4 Final. Added sound and suspension. It will defy gravity and sound like it can. My remake of the standard Series 9. Lots of wheel options, including quad track. New engines. Colorable.