http://bit.ly/2aQLzNE. Caterpillar introduced the Cat® 320D2 Forest Machine (FM) in Australia, coinciding with the company’s exhibit at AUSTimber 2016, held April 11-16, 2016 in Traralgon, Victoria. The company also introduced the new Cat Advanced Ride Management (Cat ARM) seat suspension system for the D Series wheel skidders, a revolutionary development in seat suspension technology.