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Millermatic® 142 MIG Welder, 120V Portable Wire Feed, Auto-Set™

Based on 32 reviews
Condition: New
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$1,195.00
Save $141.69 was $1,336.69

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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2027

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Availability: Only 3 left in stock, order soon!
Fulfilled by Eastern Welding Supply

Arrives Saturday, Nov 7
Order within 7 hours and 17 minutes

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At a glance

Condition
New
Dimensions
24 x 14 x 19 in
Weight
49 lb
Warranty
3-5 year

Features 5

  • Auto-Set: A breakthrough control that automatically sets your welder to the proper parameters. Auto-Set offers all-in-one MIG minus the hassle of finding parameters. Simply set the wire diameter, set the material thickness, and start welding!
  • Segmented Display: Easy to read display gives you the flexibility to set the machine precisely and accurately in Manual and Auto-Set modes.
  • 120V Input Power: Uses 120V input power so there is no special power requirements. Flexible to use in any location!
  • Auto Spool Gun Detect: Automatically detects when a MIG gun or spool gun is connected eliminating the need for a switch.

Description

The Millermatic 142 is the ideal choice for welders seeking convenience and performance in one package. Featuring Auto-Set, a groundbreaking control technology that automatically adjusts your welder to the ideal settings for your project, you can skip the guesswork of finding the right parameters. Simply input the wire diameter and material thickness, and the machine does the rest—ensuring optimal welds every time.

Specs 6

Manufacturer Miller Electric
Part Number 907838
Item Weight 49 pounds
Product Dimensions 24 x 14 x 19 inches
Item model number 907838
Item Package Quantity 1

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


great welder
This welder works effortlessly for all my projects. So glad I purchased it.
Reviewed in the United States on March 28, 2026 by Todd Elkins

top notch
This Miller welder is phenomenal. Super easy to set up, runs smooth, and the welds come out clean every time. The Auto-Set feature makes dialing in settings effortless, even for different materials, and it saves a ton of time. Plenty of power for my projects, and it feels rock-solid and reliable. I’ve used other welders before, but this one is on another level — professional quality, simple controls, and built tough. Absolutely worth the investment. Highly recommend! ... show more
Reviewed in the United States on September 15, 2025 by Luis - Real Use Reviews

Kicks ass
Very happy with the quality of work this little machine puts out. Couldn’t be happier with the results
Reviewed in the United States on July 29, 2025 by Jeff Frey

Mig welders
Nice machine
Reviewed in the United States on December 23, 2025 by DAN Neumann

Smooth operation
This has been the smoothest welder I've used. Plus it works great off the Ford Lightning tailgate power.
Reviewed in the United States on August 3, 2025 by Bart Bergquist

Way above a Lincoln or Hobart
This Millermatic 142 is an impressive little welder!!! Lots of power for a 120v. Totally blows away my Lincoln 140! 40 years welding with pressure vessel certs!
Reviewed in the United States on December 24, 2024 by David P.

Excellent welder
This welder is exactly what I was looking for to have in my home garage. It doesn’t take up a lot of space.
Reviewed in the United States on December 2, 2024 by Eliu Perez Jr.

Missing knob.
This is a good product,but when it's missing parts it's nit. The merchant who sent it failed to check it out before sending it out. So I'm returning it.missing the hold down knob for wire wheel.
Reviewed in the United States on August 30, 2025 by grant sciambia
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