Miller Dynasty 280 TIG Welder – Serial #MG100358L

Up for sale is a used Miller Dynasty 280 DX Welder, a top-of-the-line AC/DC TIG and Stick welding machine known for its precision, versatility, and reliability. This unit is ideal for professional fabrication, aluminum welding, stainless steel, and general shop use.

The Dynasty 280 delivers up to 280 amps of output and features advanced inverter technology, allowing for smooth, stable arcs and excellent control on both thin and thicker materials. With AC/DC capability, it handles aluminum and steel applications with ease.

This machine is lightweight (around 50 lbs) and highly portable while still offering industrial-level performance. It supports multiple input voltages (208–575V, single or three phase), making it extremely flexible for shop or field use.

Key Features:

AC/DC TIG and Stick welding capabilities

1–280 amp output range

Auto-Line technology (no manual voltage linking required)

High-frequency arc start for clean, consistent starts

Pulse control for precision welding

Compact and portable design

This unit has been previously used but remains in good working condition. Shows normal cosmetic wear consistent with use but functions as it should. Serial number is provided for verification.

Perfect for fabrication shops, maintenance departments, or serious welders looking for a high-end machine at a fraction of new cost.