The PA 140st, 160sth, and 200st are dual voltage.
The PT 185 and the 200DV are dual voltage.
The iMIG 200 is dual voltage.
The Powerplasma 50 is available in dual voltage.
The PowerUltra 205 is dual voltage
The PowerPro 164 is dual voltage.
The Power i tig 200 is dual voltage.
Can't think of any others right now.