Millermatic 180 MIG Welder – Model 907312

When you want a tough and dependable Flux core-MIG welder that won’t break the bank and won’t break down under a heavy work load, the Millermatic 180 MIG Welder might be your machine.  There’s a lot to like in this 230 volt unit that offers excellent performance and versatility.  At home or work, it has great capacity to handle various metals and a range of wire diameters.

Millermatic 180 Details

Miller built the Millermatic 180 MIG Welder with the guts of a professional machine and the built-in intelligence that makes it an asset to the DIY enthusiast or pro. It is the easiest small MIG welder to use because it takes the guesswork out of the set up and operates very smoothly once the job is underway.

Performance begins with the Auto-Set capability that gets you going quickly while eliminating the potential for error.  Simply dial in the diameter of the wire and the thickness of the material and start welding.  The onboard controls automatically adjust the power to be just right for the job.  Control remains in your hands however, and when working with any mild steel, stainless steel or aluminum feel free to switch to Manual Mode and set it up just the way you want it for a custom job.

Enjoy a class-best 5/16 single pass weld capacity among other features that make the Millermatic 180 an impressive choice.  The Smooth-Start design gets every weld started right with reduced popping and splattering.  Thermal Overload protection keeps internal components safe by shutting down when air flow is blocked or the duty cycle is exceeded.  The over temperature light lets you know it is resetting and cooling off.

You’ll appreciate the quality build of the Millermatic 180.  It is manufactured to withstand the rugged use welders receive on a daily basis.  The cast aluminum drive system is strong and durable, and it makes set up fast and easy.  It includes spring-loaded tension arm with tension knob that is precisely calibrated for accuracy.  The Tip Saver mode shuts down the welder when the tip shorts to the work.  It will save your equipment and extend the life of the tip.  Reset the unit at the torch, not the welder so you can get going again immediately.

The Millermatic 180  is compatible with the Spoolmate 100 Series spool gun that makes welding aluminum easier than ever.  Added to the 180 it gives you the functionality to weld aluminum from 18 gauge to ¼” thick.  For all jobs, wire diameter capacity is .024 to .030 for solid steel and stainless, and .030 to .035 for Flux cored.  The welding range is 30 to 180 amps with variable settings to give you optimal power for each weld.

Warranty Information

The Millermatic 180  is backed by Miller’s TrueBlue 3-year warranty that covers parts and labor for 3 years.

This versatile welder is making a name for itself in multiple settings.  It’s all you’ll need at home to cover any repair that comes your way.  It is employed in muffler shops, auto body shops, maintenance and repair garages, farms and ranches and where light metal fabrication is done.  That takes in a lot of ground, and the Millermatic 180 covers it beautifully.  At just 72 lbs it offers good portability for such a dynamic Flux Core – MIG welder.


  • Millermatic 180 / Millermatic 180 Auto-set / Miller 907312
  • 230 Volt Flux core – MIG
  • Single phase 21.7 amp
  • Rated output: 135 Amps at 22.5 VDC, 30% duty cycle
  • Adjustable wire speed from 95-565 ipm
  • Wire Diameter: .024 to .035
  • Spool: Up to 8 inches
  • Warranty: 3-years on all parts and labor

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