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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: New
€5,918.07
+ freight from €149.00, insured road freight, priced by delivery region (rates)
From €6,067.07 delivered
  • ISPM 15 heat-treated Euro palletized & weatherproof shrink-wrapped
  • Insured European road freight delivery with hydraulic tail-lift service
  • Dispatches in 1–2 business days from our UK & European Logistics Centre
  • Transit typically 1–3 business days (UK) / 3–6 business days (Continental Europe)
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Need a matched transmission, controls or wiring package? Speak with a parts specialist.

Details & Inspection Notes

This Dynasty 400 is the bare power source: no cart, no cooler, no torch kit, for a shop that already has that gear or wants to add its own. AC/DC output covers both TIG and stick, rated to weld up to 5/8 in material, and the unit weighs 155 lbs.

Output and setup

Duty cycle is rated 60% at 300A on three-phase power, and it draws anywhere from 208 up to 575 volts without needing manual relinking, so the same unit can move between shops with different electrical service. Nine program memory settings hold favorite jobs, and the AC side pulses up to 500 times per second for aluminum. A cooler power supply receptacle is built in for a water-cooled torch setup added later.

What's included

It comes with a setup DVD, a quick reference guide, and two 50 mm Dinse-style connectors. A cart, cooler, and torch are not part of this listing and would need to be ordered separately, which suits a shop that already owns that support gear from another machine. DIG arc control and an adaptive hot start are both available on the stick side.

What's the exact shipping weight? It is rated at 155 lbs; confirm the number with us before booking freight.

Does it include a cart? No, this is the power source alone, which also keeps it easier to mount on an existing cart.

Specifications

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

Welding Equipment Setup & Pre-Operation Checklist

  • Verify workshop mains voltage, circuit breaker rating, and phase match the welding machine specifications.
  • Inspect ground clamp cable, torch lead, and work cables for tight, clean, low-resistance connections.
  • Secure shielding gas cylinders upright with safety chains; inspect regulator and hose connections for gas leaks.
  • Confirm correct wire diameter, drive roll groove profile, and contact tip size match the spool installed.

Full terms: 30-day warranty · returns

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