Longevity 140 MIG Welder Review (2023)

Longevity 140 MIG Welder ReviewMIG welder is the most common tool that you would see in metalworking workshops.

These are also named Gas Metal Arc Welders (GMAW) and are considered the go-to tool of any serious welding work.

There are also some other welding tool options such as Tungsten Inert Gas (TIG) also called stick welders or gas tungsten arc welding but Most of the welding experts prefer MIG welders. 

It’s all about the efficiency that you get from MIG Welders when you are fusing different types of metal together.

It is also a relatively easy and safe way to complete welding jobs which means that regardless of whether you are an expert welder or not it is worth considering a MIG welder.

In this review, we have examined all the important features and welding capabilities of Lincoln’s 140 MIG welder in detail.

If you are interested to know what this welder has to offer, you must read the article till the end.

It’s one of the best in the market, read further to know what makes this welder better than others.

What makes Longevity 140 MIG Welder better than others?

This MIG welder is popular for using a wire feed mechanism for its performance. The mesmerizing feature of this welding equipment is that it’s lightweight and can easily be lugged around. So, provided you require a MIG welder that you can use for both home use and industrial use, then this is what you need.

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In-Depth Longevity 140 MIG Welder review

First of all, the Longevity 140 MIG welder is well priced compared to most of its competitors. The fact that its controls are so understandable is a definite plus. Moreover, With the additional spool gun, the welder gets even better, and you can easily weld with even more precision.

The Longevity 140 MIG welder will run on .025 to .035 diameter wire which allows for a host of different preferences and tastes with cost efficiency and outstanding quality.

Plus, the .035 tip is considered best for welding metals 1/6 inch to ¼ inch thick, and even if compared to the more expensive competing welding machine brands, the outstanding performance, and quality of work the machine is capable of becomes more evident. This lightweight nature of the Longevity 140 MIG welder must also be noted.

Unlike other welding machines, this one is just under 60 lbs. This particular welder is easy to transport and extremely portable, making it the best choice for repair jobs and work in the field. Moreover, it’s definitely a flux welder that uses a flux core wire for apt penetration.

It is considered a better way of maximizing the quantity of gas used. Of course, this machine is as usable as those ones you might have ever thought of. Besides the fact that It makes some noises while it’s in use, yet it shouldn’t be a matter of concern as it can comfortably be handled.



This welder comes with a simple and standard-looking control panel and it’s extremely easy to use. If you’re a professional welder then you would probably prefer a little more smoother and durable but for recreational users who are not looking to spend too much, this is a solid choice.

The Longevity 140 welds from 24 gauge to 1/4 inch steel. It’s best suited for home repairs, light industrial work, and recreational use such as making a barbeque pit. The design of the Longevity 140 is compact and easy to use. There aren’t really any outstanding features with this welder, it’s just a simple, no-nonsense machine.


The Longevity 140 MIG welder has a 25A to 140A output power and 10 different voltage settings. Plus, there’s a chart on the inside of the door that would help you select the best voltage and wire feed speed settings. 

Like most welding machines, this one also has a duty cycle of 20% @ 90A which is fine and pretty standard for a 140A welder. It is also equipped with thermal overload protection, therefore, your machine will shut down safely if you exceed this and if it gets too hot and needs to cool down.

Easy and simple to operate

This MIG welding machine by longevity is easy to set up due to the supplied plug, and the dedicated panel indicates that one easily can see all the settings at a glance.

Users are free to fine-tune their welder to their preferred settings in just a couple of moves in order to obtain accurate and fast results every time. Furthermore, The machine comes with settings for arc volts and wire speed, among others.

As this device runs on .025 and .035 diameter wires, the Longevity MIGWELD is the best option for welding metals with different thickness levels. It is not recommended for daily professional use, the welder is only capable of providing the user with quality occasional work.




  • Easy to set up
  • Works with domestic power outlets
  • Extremely portable
  • Equipped with overload protection
  • Works with or without Gas


  • Need to buy flux-cored separately
  • Lack of quality customer service


Why should you buy Longevity 140 MIG Welder?

A portable welding machine that provides users with enough power to take on a variety of jobs, the Longevity MIGWeld 140 is very easy to use, being the most appropriate option for amateurs and professionals alike

It features clear controls that make it easy and simple to learn, as well as a wide variety of functions, this welder is capable of greatly cutting down on the number of machines you need.

Manufactured by Longevity which is a worldwide brand trusted by many well-known manufacturing companies, construction companies, welding instructors, and more, the Longevity MIGWeld 140 is good enough to provide quality results to the automotive enthusiast and home hobbyist.

Final thoughts

This Longevity MIGWeld 140 is a perfect choice for those who want a rather affordable welder that is highly portable so they can easily use it at home or in a shop.

Even though it is not considered suitable for industrial use, the welder holds the capability to perform a good job on the occasional heavy job. Examples of jobs the Longevity MIGWeld 140 can tackle include BBQ pits, ornamental gates, hot rods, furniture, motorcycles, and more.