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Miller Maxstar 400 DC TIG Welder (907716)
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 Maxstar 400 DC TIG Welder (907716)

Brand: Miller
Condition: New
€4,969.00
+ freight from €149.00, insured road freight, priced by delivery region (rates)
From €5,118.00 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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Details & Inspection Notes

Unlike the cart-mounted package, this Maxstar 400 ships as the power source alone with its cords and connectors, suited to a shop that already has its own cart or mounting setup. This power source runs DC on both TIG and stick, capable of welding material up to 5/8 in thick.

Specs to plan around

This unit is rated for a 60% duty cycle at 300A across both stick and TIG, and it draws input anywhere between 208 and 575 volts without manual relinking. At 135 lbs it is a stationary or semi-stationary machine rather than one carried daily between trucks.

What's in the box

It comes with a quick reference guide in English and Spanish, a primary cord with no plug attached, a pair of 50 mm Dinse-style connectors, and a setup DVD. A TIG torch adapter is not included and needs to be ordered separately. A 120-volt auxiliary receptacle runs a cooling system or small tools, and nine program memories hold saved settings for repeat jobs.

Why go bare-bones

Buying the power source on its own suits a shop that already owns a cart, cooler, or torch from another machine and just needs the inverter itself, rather than duplicating accessories it already has.

Does this include a TIG torch? No torch or torch adapter; those are separate purchases.

Is a cart included? No, this is the power source only.

Specifications

Brand Miller
SKU IMIL20130118
MPN MIL907716
Mfgs MPN 907716
UPC 715959648349
Prop65 Yes
Material Mild Steel, Stainless Steel
Process Stick, TIG
Max Amperage Output 400
Usage Heavy Industrial
Phase Both
Manufacturer’s Warranty 3 Years
Polarity DC
Duty Cycle 60%
Duty Cycle 60% at 300A for both Stick and TIG
Portability 135 lbs
Skill Level Career Welder
Input Voltage 208, 230, 400, 460, 575
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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