Lincoln LE31MP Welder Review (2023) – Why You Should Buy


Why stick with the basic TIG or MIG operation when you can enjoy MIG, stick, and more – all in single hardware? The market today is filled with multi-purpose welders which allows you to weld any material including aluminium. So why not test them out? If we could, we would get them all, but the problem is that not all of them offer the best value of money.

Since a welder is a long-term investment and a significant one as well when it comes to the performance of your welding taskings, therefore, it is important to ensure that you invest in the right one.  After searching for a long-time, we finally ended up with the Lincoln LE31MP Welder, and let us tell you, it is everything that we ever dreamed of.

Once you get the Lincoln LE31MP Welder, you get completely hooked to it. We heard about it and we tested it and we are in love. Here is a detailed Lincoln LE31MP Welder review, hopefully, it will help you understand its features, benefits, and value.

Lincoln LE31MP Welder Review

Manufactured by the industry-leading brand, Lincoln Electric, the LE31MP Welder is a multi-purpose welder specifically designed to meet the needs of both professionals and DIY homeowners. With years of experience in the welding industry, the brand has outdone itself with the LE31MP Welder, as it has exceeded the ­expectations of many as soon as it hit the market.

The LE31MP Welder 120-volt welder is unlike any welder available in the market. The welder is designed to support multiple welding operations including MIG, Flux-cored, Stick, and DC TIG. This offers versatility and diversity to the users, making it possible for them to enhance their welding skills while enjoying the comfort provided by this user-friendly welder.

Once you get it, this welder will become your new best friend. Compatible to support multiple materials, you can use it to weld gauge metal, aluminium, and stainless steel. Get yours now and enjoy the forgiving arc, the smooth arc, the dual voltage input, wide amp welding output range, 60% duty cycle, and much more.

No need to worry about your spool of wire anymore. The solid aluminium wire feed, driven by an adjustable gear, allows you to add a 1 to a 10-pound spool of wire. To support the MIG gas, it is equipped with an external regulator. On the other hand, it comes with an internal gas solenoid which automatically regulates the gas during TIG function.

With the LE31MP Welder at your side, you won’t have to worry about the wire tangling, lower conductivity, or loud noises. With the help of the tension indicator, optimize the range for different wires and enjoy comfort and ease during all your welding tasks.

Overall, the welder is designed to meet the multi-process needs of all. No matter whether you are professional, a beginner, or in training, it would work wonders for you. Invest it now to carry out your small to mid-range welding projects with the utmost convivence, efficiency, and ease.

Features of the Lincoln LE31MP Welder


le31mp welder spool

The thing that highlights the LE31MP Welder from the other multipurpose welders is its features. We must say that the manufacturer outdid it this time, as this machine is packed with all the essential features one would require to get on with their welding projects. So, let us go ahead and check out the major features and benefits LE31MP Welder has to offer.

1.     Powerful Motor & High Torque

This power-packed welder comes with a stealthy motor which enables it to provide an extensive amperage range. With just 120 Volts of input, you can get 20 to 140-amp welding ranging. Furthermore, to support the motor, the machine comes with an enhanced and drive box mechanism. The combination of the two adds additional torque to the operations, allowing it to generate enhanced strength to cater to all types of welding projects.

2.     User-Friendly Control System

One of the major problems that we have noticed with multipurpose welders is their complicated control system. But that is not the case with the LE31MP Welder. This stunning machine comes with an easy-to-set-up control system with limit knobs and control buttons.

With the help of the user manual, you can easily get the hang of the controls and adjust them as per your needs. Not to forget that the device comes with automated control for the paddle. It works wonders both with and without the paddle for TIG function.

Whenever you attach or remove the paddle, the machine automatically adjusts the settings on its own. This makes it perfect for beginners, making it easy for them to get used to the settings and enjoy fast and effective welding without having to spend hours on adjusting the machine before using it.

3.     Quick and Easy Assembly

Most of us get excited about getting new stuff. You probably want to get the welder out of the box, set it up, and start welding right away. But most welders don’t allow you to that because in most instances, it will take you hours to set it up and you might lose interest within the first few hours of the purchase.

But that is not the case with the LE31MP Welder. The manufacturer understands the needs of the buyers which is why the machine comes preassembled, saving you a ton of time and energy. Furthermore, it works best for individuals looking to get started on their projects right ahead and get done with completion before having to spend hours on assembly.

4.     Variable Wire Feed Speed

Another great feature of the LE31MP Welder is that it comes with a gear-driven wire feed system. This allows the professional to adjust the wire feed speed as required and gives superb control. You can set the speed between 40 to 400 IPM and get done with your projects with ease.

5.     Optimal Duty Cycle

This welder is all about proving efficient and effective performance. Packed with the 60% duty cycle, it allows you to run the machine for 6 minutes straight. With only 4 minutes of cooling time, you can complete your repair and maintenance tasks relatively quicker than usual.

In terms of duty cycle, it is also important to note that the welder offer 95A for MIG, 115A for TIG, and 80A for stick function. You can enjoy high-end welding for all welding processes with the LE31MP Welder at your side.

6.     Input Voltage

Another great feature of LE31MP Welder is that it comes with dual input. You can enjoy running the welder at optimum speed with the 120V or the 140V. This makes it work best for both homeowners and professionals as the regular household output is only 120V. You can connect it to any of the plugs and enjoy a steady power source for long hours.

7.     Compatible with Various Materials

With this welder at your side, you won’t have to stick to a single material only. You can cast anything from steel to aluminium and enjoy different welding depths as well. Although it is important to notice that the welder only offers an average depth which is 24 gauge to 5/16 inches. But we believe it is sufficient for most types of welding projects.

8.     Lightweight and Portable

Lastly, the Lincoln Electric LE31MP welder is highly portable. Known for weighing only 46 pounds, this multipurpose welder can be transported to any worksite without having to face any heavy lifting. Plus, with the handle mounted right on top, you can easily carry it around from place to place.

Pros and Cons


  • Fully adjustable wire drive system
  • Includes a gas regulator
  • Brass to brass gun connection
  • Durable cast aluminum gearbox
  • Drive tension indicator
  • 24-gauge sheet up to the 3/16-inch plate
  • Internal gas solenoid for TIG
  • Simple and User-friendly Interface


  • Slightly on the pricier side.
  • TIG is only a scratch start.
  • Accessories are to be purchased separately

Buying Guide

The Lincoln LE31MP is a great welder. But before you make the purchase, here is a list of factors that you need to consider to ensure it is suitable enough to meet your needs.

1-        Working Materials

Firstly, you need to consider what type of materials you are looking to weld. The good thing is that the Lincoln LE31MP allows you to weld a wide range of materials. You can cast with steel, iron, or aluminium along with various other alloys. This makes it perfect especially since it is paired with a high AMP range.

2-        Welding Processes

If you are planning on sticking to MIG, TIG or Stick only then this might not be the device for you. If you only an expert in a certain type of welding process and are keen on pursuing only that, then you should invest in a single-purpose welder.

The reason is that it can offer you many more features specific to only that kind of process. But if you are looking for versatile experience and are eager to learn about other welding processes as well, then the Lincoln LE31MP is a great choice for you.

3-         Input and Output Voltage

You need to consider your voltage requirements as well. Check out the voltage supply that you have at your home or worksites. Compare it with the 120V input of the Lincoln LE31MP. If it is compatible, then great. If not, then you might need to look for another welder.

Other than that, you also need to consider the output voltage. This comes in handy when delivering strength and high torque. Out the output voltage will affect the casting of different materials. The Lincoln LE31MP offers a 20 to 140-amp welding range. Make sure that it is suitable for your needs.

Frequently Asked Questions

1.     Are multipurpose welders worth the investment?

Yes, without question, multipurpose welders are worth every penny. However, will definitely need to do your research and choose the one that best meets your needs. But once you have the right one, you won’t regret your decision especially when it comes to price and convenience.

Based on our research, buying different welders for different welding operations is much more expensive as compared to buying a single machine to cater to all your needs. Furthermore, since you will only need to pre-set a single machine, you can easily switch between modes without having to go through the hassle of setting up another machine. In short, it is more convenient, time-saving, and efficient to get a multipurpose welder.

2.     How thick can Lincoln LE31MP will weld?

According to the information provided by the welder and based on our personal experience with the versatile welder, we can say that the Lincoln LE31MP comes with standard welding thickness. Therefore, it can weld from 24 gauge to 5/16 inches – that standard that you get at this price range. But the good thing is that it works best for most professional projects, which makes it a great investment for professionals looking for something heavy in a mid-price range.

3.     Which additional accessories do you need to purchase?

The Lincoln LE31MP itself doesn’t come with any welding accessories. In order to carry out the TIG and MIG functions, you will need to invest in a spool gun, TIG torch, and pedal. These accessories are sold separately by the manufacturer so you can purchase them or use any existing ones.

Buying Guide

The Lincoln LE31MP Welder is the best investment at present. The integrated features of this machine enhance your overall performance and make your tasks much more enjoyable and efficient.  It has been the new favourite of professionals because of its premium precision, multi-purpose operations, intuitive controls, and easy setting up process.

We suggest that you take your time, do your research and then make a decision. We would love to hear how you used this amazing welder and which accessories you purchased to support your welding tasks. Let us know in the comments below.

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