Lincoln 140 MIG Welder Review

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In Brief: Review of Lincoln 140 MIG

The Lincoln 140 MIG is a user-friendly, multi-purpose welder that can be used for various welding tasks. It is compact, user-friendly, easy to set up, and packs plenty of cool features any novice or experienced welder would love.  It is a good option for professionals, hobbyists, homeowners, or do-it-yourselfers looking for an affordable welder for their basic welding needs.

Lincoln Electric Holdings is an American manufacturer of welding, cutting, and brazing products, based in Cleveland, Ohio.

Set up in the year 1895, the company also produces and sells a wide range of arc welding equipment, robotic welding systems, electrodes and fluxes, regulators, among others.

The Lincoln 140 is a powerful MIG/flux-core welder from the top-tier welding tool brand, Lincoln Electric.

It is reliable, durable, versatile, super easy to use, and can weld both thin and thick materials with ease and precision.

This machine is ideal for small auto-body work, home, on-farm tasks, DIY and hobby welder projects, and more.

Key Specifications of the Lincoln 140 MIG

The Lincoln 140 MIG weighs just 50 lbs and comes with an easy-carry handle, making it one of the most potable welders around. With a minimum voltage input of 120 volts, the machine is compatible with common household power outlets. It has a wide output range of about 30-140 amps and five voltage settings that you can adjust based on the thickness of the material you are planning to weld.

One great thing about this welder is its duty cycle, rated 20 percent at 90 amps. This allows users to work continuously for up to 2 minutes in a 10-minute welding cycle, which is good enough for most basic welding tasks.

The featured adjustable drive system prevents wire tangling and cutting, while the durable cast aluminum gearbox helps ensure a comfortable, quiet welding experience. 

The 140 MIG is capable of welding thin steel up to 3/16 inches in a single pass, and thicker steel up to 5/16 inches using the flux-core function.

This machine features a simple 2-knob tapped control system, which makes it easy to set up for welding different types of materials.

The complete package includes a 6 ft power cord, Magnum 100L Gun,  10 ft cable assembly,  gas nozzle, gasless nozzle, spindle adapter, contact tips,  gas hose, flux-cored wire,  a “How to MIG weld” CD, and a comprehensive instruction manual. 

Major Specifications of the Lincoln 140 MIG

Size13.7" H x 10.15" W x 17.9" L
Weight50 lbs
Duty Cycle20% @ 90 amp
Output Range​30 Amp to 140 Amp
Household PowerYes
Weld AluminumYes with separate spool gun
Steel Weld Width24 Gauge to 5/16 ths
Solid Wire Size Range.025-.035 inch
Cored Wire Size Range.030-.035 inch
Wire Feed Speed Range50-500 ipm (1.3-12.7 m/min)
Warranty​3 years on the MIG, 1 year on Gas Regulator, 90 Days on the


How to Assemble/Install the Lincoln 140 MIG 

With all the essential components included in the package, the 140 MIG welder is simple and straightforward to set up. This machine comes with a detailed instruction manual as well as a welding settings chart to guide you through the installation process.

For more information on how to set up the Lincoln 140 MIG, watch the YouTube video below:


How to Use the Lincoln 140 MIG 

This machine is very easy to use, even for a beginner. It features simple controls that you can adjust depending on the material you intend to weld and even includes a “How To MIG weld” CD that can guide you through each step of the way.

You only need to connect the components, input your parameters and you are ready to go.

Check out this video to see the Lincoln 140 MIG welder in use:



Lincoln offers a 3-year warranty on this product.

However, the period can be extended by two more years if you are willing to fork out an additional $85 to further protect your investment. Buyers get a 90-day warranty on the welding gun and a one-year warranty on the regulator.

For more details about the warranty and its conditions, please visit here>

Customer Review Analysis

We checked top online portals and several welding discussion forums to know what customers are saying about the Lincoln 140 MIG welder. 

In our analysis, we discovered that a lot of buyers consider the machine a great welder. Users love its compact design, versatility, portability, and ease of use. One of the things they like most about this model is the auto-set feature, which eliminates the hard work of manually setting up the machine.

The Lincoln 140 MIG welder is,  however, not without its own drawbacks, as it is not suited for heavy-duty tasks and cannot be used with a generator. Overall, it is a well-loved welding machine and has a good approval rating among buyers.


Pros/Cons of the Lincoln 140 MIG 

Compiled below is a list of the good and not-so-good things about this welder based on hundreds of customer reviews, expert opinions, and product specifications:


  • Good built quality
  • Versatile
  • Simple installation
  • Easy to use
  • Compact
  • Not too heavy to move around


  • May not be suitable for heavy-duty welding tasks
  • Not compatible with generators



Does the Lincoln 140 weld stainless steel?

Yes, it does.  To weld stainless steel with the machine, use the settings for carbon steel but dial it back a little for best results. Note that a tri-mix shielding gas, e.g., 90% Helium/ 7.5%Argon/2.5%CO2, is recommended for steel welding.

Does it come with a spool gun?

No, the Lincoln 140 MIG welder does not include a spool gun. So, you will need to purchase it separately if you want to weld aluminum with this machine.

Our Recommendation

The Lincoln 140 MIG is a multi-process welder that can handle light-to-moderate welding tasks. It is well-built, compact, portable, and super easy to use. Moreover, it comes at a very affordable price and carries a long-term warranty. Although it may not be ideal for heavy-duty tasks, this machine makes a great welding unit and is therefore recommended for anyone looking for a reliable welder for their projects.

About Chris Miller

Chris has been writing welding topics for over a decade now. A professional welder himself, he loves experimenting with the art of welding and checking out the latest welding tools and accessories. When he is not busy with his work, he enjoys spending time gardening and running marathons.

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