CAT 345B EXCAVATOR V1.0 Mod by FS 2017 mods · December 18, 2017 CAT 345B EXCAVATOR V1.0 Mod Today we bring you an awesome excavator from Winston Modding in the form of a Cat 345B. The Cat 345b excavator boom and bucket are controlled by the mouse as is the body swivel. While the tracks are all controlled by your standard driving keys. The massive bucket will allow you to load trucks and trailers rapidly so you can maintain a steady work flow. The headlights and beacon allow you to have safe working conditions as it gets dark also.