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Miller Dynasty 400 TIG Welder (907717)
Inspected & Documented Condition notes recorded before palletizing.
30-Day Startup Warranty Covers block, heads and internal moving components.
In Stock & Ready to Freight Welding Equipment

Miller Dynasty 400 TIG Welder (907717)

Brand: Miller
Condition: Used
$5,918.07
+ $295.00 flat-rate insured LTL freight (details)
$6,213.07 delivered to the continental US
  • Palletized and heavy shrink-wrapped for freight
  • LTL carrier delivery with optional liftgate service
  • Ships in 1–2 business days from Los Angeles, CA
  • Transit typically 3–7 business days, continental US
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Details & Inspection Notes

The Dynasty 400 TIG welder features a 400 amp output with capabilities of welding 5/8″ material. As always, the Dynasty series are AC/DC machines, allowing the user to weld mild steel, stainless, and aluminum. The Dynasty 400 comes with “auto-line” technology, allowing any input voltage hookup between 208-575V, single or three-phase. These welders include an integrated cooler power supply (CPS), helping to keep your shop floor less cluttered with power cords. The Dynasty series welders feature the most advanced waveform technology available, while offering complete balance control for great looking aluminum welds.

Features
• Auto-Line technology
• Cooler Power Supply (CPS)
• Fan-on-demand
• Lift-Arc
• Blue lightning high frequency
• 9 Program memory settings
• Auto-Postflow
• Dig and hot start stick capabilities
• 500 pulses per second on AC

Quick Specs
• Input Power, 208-575 V
• Amperage Range, 3-400 A
• Weld Thickness, 5/8″ steel or aluminum
• Rated Output, 300 A at 32V, 60% Duty Cycle on 3-Phase
• Weight, 134 lbs
• Power Cord, 8 foot (No plug attached)
• Generator Requirement, 20 KW

Includes
• Dynasty 400 Power source
• Setup DVD and quick reference guide
• Two 50mm Dinse-style connectors

Brand Miller
SKU IMIL20170001
MPN MIL907717
Mfgs MPN MIL907717
UPC 715959648424
Prop65 Yes
Max Amperage Output 400
Phase Both
Manufacturer’s Warranty 3 Years
Polarity AC/DC
Duty Cycle 60%
Duty Cycle 60% at 300A on 3 Phase
Portability 155
Discontinued Product No

Startup & Installation Checklist

  • Replace timing components, water pump and plugs before initial startup where applicable.
  • Refill all fluids with manufacturer-specified oil and coolant.
  • Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
  • Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.

Full terms: 30-day startup warranty · returns

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