Miller Dynasty 400 TIG Welder - 907717

By Miller Electric

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Miller Dynasty 400 TIG Welder - 907717

By Miller Electric

Regular price $11,954.00 USD
Sale price $11,954.00 USD

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Regular price $13,804.00 USD

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SKU: MIL907717

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The Dynasty 400 TIG welder features 400 amp output with capabilities of welding 5/8" material. AC/DC machine enabling mild steel, stainless, and aluminum welding. Machine comes with auto-line technology, allowing any input voltage hookup between 208-575V, single or three phase.
  • Latest technology- powerful, compact AC/DC inverter delivers superior arc performance with total AC arc-shaping capabilities. Autoline allows connection to any voltage or frequency in the world while using half the power of a conventional machine.


  • Cooler Power Supply (CPS) An integrated 120-volt dedicated-use receptacle to power the Coolmate 3.5.

  • Meter Calibration allows digital meters to be calibrated for certification.

  • Wind Tunnel Technology protects internal electrical components from airborne contaminants, extending the product life.

  • Cooler-On-Demand power source cooling system operates only when needed, reducing noise, energy use and the amount of contaminants pulled though the machine.

  • Lift-Arc provides AC or DC arc initiation without the use of high frequency.

  • Blue Lightning high-frequency (HF) arc starter for non-contact arc initiation. Provides more consistent arc starts and greater reliability compared to traditional HF arc starters.

  • Program Memory features nine independent program memories that maintain/save your parameters.

  • Auto-Postflow adjusts the length of postflow time based on the amperage setting, shielding your tungsten and eliminating the need to set the postflow time.



Click the image below to view the full spec sheet

Miller Dynasty 400 and 800 Spec Sheet

Included with Product

  • Dynasty® 400

  • 8 ft. (2.4 m) primary cord

  • Quick Reference Guide

  • (2) 50 mm Dinse style connectors


Miller Dynasty 400 TIG Welder - 907717

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