907818 / Dynasty® 300 208-600 V, CPS Starting at /mo with Affirm. Prequalify now AvailabilityIn stock SKU 907818 $9,626.00 Add to cart The Dynasty 300 Series is a powerful combination of capability and portability. Weighing only 55 pounds, it can weld up to 3/8" thick material. The AC/DC TIG/Stick power sources feature an energy-efficient inverter design and Auto-Line™ technology. PROCESSES Air Carbon Arc Cutting and Gouging (CAC-A). Stick (SMAW). TIG (GTAW). TIG AC (GTAW-AC). TIG DC (GTAW-DC). Aluminum Welding.