The Miller Millermatic 141 is an upgraded version of the 120V welder that was manufactured as an alternative of the highly reviewed Millermatic 140.  The goal in mind for this was that it should be directed towards both hobbyists and professionals. The main purpose was to create an amazing user experience along with precise control. The welder offers a great range of user tasks such as do-it-yourself projects, manufacturing as well as art projects. 

This is because of the goal of excellent user experience and the state of the art control. For a professional, it is easy to handle such machines, and they can use any type of machine with ease while providing results that are perfect. For beginners though, the case is different, not all welders are easy to operate and handle by amateurs. This is what makes the millermatic 141 such a great piece of equipment. It comes with the ease required for a new user or hobbyist, but at the same time, the results are at par with the results of professional welders.

On the other hand, The Millermatic 211 is another highly praised machine that works on a dual voltage welder. It has the power to weld up to 3/8 inches of both steel and aluminum. The welder is versatile enough to function on both MIG and Flux-cored processes and jobs. It has a lot of extra features along with a setup time that has been reduced and well manufactured and designed parts. The Millermatic 211 is a powerful and versatile machine that gives you a wide range of functionality and flexibility. This welder is the perfect example of power packed in a compact body.

Miller 211 vs Miller 141

The Millermatic 211 and the Millermatic 141 are both amazing machines with great capabilities. How do they compare to each other? let’s find out.


Specification Miller Millermatic 141 Miller Millermatic 211
height 12.5 in. 12.5 in.
length 20.5 in 20.5 in
width 11.25 in 11.25 in
Duty cycle 20%  at 90 ampere 40% @ 150A (240V) ) & 20% @ 115A (120V)
Input voltage 120 V 230V
Type of process Flux core and MIG Flux core and MIG
Weight 51 lbs 38lb
Thickness of weld From 24 ga to 3/16 in From 24 ga. – 3/16 in (120v), and 24ga – 3/8 in (240V).
Speed range of wire feed 15-360 IPM 60-600 IPM
Amperage range of welding 30-140 A 30 to 230 A
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When put side by side it can be seen that the Millermatic 211 is light but slightly more powerful machine as compared to the 141, in terms of weld thickness range.


For the Millermatic 141, one of the best features is the auto-set control. As soon as the auto-set control is activated, you simply have to select the wire diameter as well as the material thickness from the front of the welder. This is a great time-saving technique, and it helps amateurs set things up quite well.

Even if you prefer to do it manually, it can be easily done from the inside of the door where there is a settings chart. It allows the user to weld both steel and stainless steel ranging from 24 gauge to 3/16 inch. For aluminum, this range Is from 14 gauge to 18 gauge.  It is slightly less powerful than other 140 welders since only flux-cored will give you the ability to reach full 3/16 inch. Nevertheless, it makes for powerful and smooth user experience.

As for the Millermatic 211, the powerful feature is in the Advanced Auto-Set feature. On the front side of the machine, you will find a couple of simple options that make setting it up a breeze. It gets to welding in no time. First of all, the diameter is selected for the wire that ranges from 0.24″, 0.30″ and 0.35″. Once you select the diameter of the wire, a blue LED comes on by the right corner of the panel to indicate that Auto-set is in place.  Then you choose the process type which has a total of five core actions. They include Flux-cored, MIG stainless steel, and MIG steel C25; which is for 25% carbon shielding gas, along with MIG steel C100 which is for 100% carbon shielding gas, or MIG aluminum.

Last but not least, the metal thickness is selected. Once you have completed your input, the auto-set feature works perfectly to do the welding job as well as the specifications you choose are perfect. As a user, it is nearly the most perfect user experience that you can get, along with the performance of the arc. The setup is much easier as well as faster as compared to other machines.  It is simple to open and assemble, as well as full of new features. The wire drive system is well designed using cast aluminum and slightly raised at an angle. It comes with three grooves, means you only need to turn it, and also allows you to change spools with the least effort. One groove is for MIG wire and one groove is for the flux core.


The Millermatic 141 works around the amperage range of 30A to 140A. This means that at a duty cycle is 20% for 90A and 100% for 40A. This translates to around 2 minutes of welding time at 90A, and then requires around 8 minutes to cool down. Additionally, it is also fitted with a thermal load that provides safety to you from overload for an exceeded time.

It uses 120V power outlet which means that it is completely compatible with the general indoor residential power supply. There are many options for voltage settings that make sure that the user has good control as well as a great quality weld.

With regards to the 211, it is a dual voltage machine which means that it can be used for both residential 120 V as well as 240V power input. This makes it suitable for all kinds of environments with respect to drilling. This means that you can use it indoors as well as outdoors on the generator as well. This makes it beneficial if you weld in different environments.

It is designed in a way that makes it really easy to switch between the two modes. It simply needs to be turned on the back of the plug, or on the ring, pull it off and replace it with another. No extra tools are needed to do the replacing and it can be done within seconds.  The weld for a 120V can be around 24ga – 3/16″ steel, and 18ga – 1/8″ for aluminum in during a single pass. The duty cycle is pretty decent; 20% @115A. At 240V input, the weld can be expected around 24ga – 3/8″ for steel and 18ga – 3/8″ for aluminum. The duty cycle is decent here as well, which is 40% @150A. It also has a user-controlled power cooling system which either the user turns on or it turns on itself when the welder needs to be cooled. This is present for the reduction of waste energy as well as noise reduction.


For its price, the Millermatic 141 is full of features. The welder gives you many flexible options such as auto setting the welder for the kind of steel as well as infinite voltage. There is a quick-select drive roll, as well as a drive system that is redesigned and mounted at such an angle so that it can be workable with MIG guns of 15 feet. It also has auto spool gun detection which eliminated the need for a switch along with a 10 feet spool gun. It has a double gauge regulator as well as a manual door chart.

The Miller Millermatic 141 is a high-quality welder that has changed the class of 140A class of welders with its amazing new Auto-set feature. It is perfect for the beginner welders who are looking to lessen the hassle of setup times. Even as a hobbyist, this is a great choice for high-quality welds in your DIY projects.

In comparison, the Millermatic 211 is slightly more powerful. It has an infinite voltage control which is used to control the device as well as the quality of different metals. The Millermatic 211 was one of the first machines on the market to get the Inverter Technology right. This means that there is more reliability in a much lighter machine. The 211 weighs only 38 lbs, making it very powerful for its size. It is a great value for money. It has been designed for user-friendliness in mind. It works best with a 120-volt plug where it outputs 115 A at 19.8 VDC.

 At the 230-240 V input level, while the Millermatic 211 jumps to around 150 A at 21.5 VDC on a 40% duty cycle. It can cut up to 3/8 inches during one pass. However, it works best with standard 120 V plugs. For new welders and hobbyists, it’s one of the best options in the market. The pricing is higher than the Millermatic 141 but it is worth the price due to its user-friendly design and features.

Both the machines, however, are easy to set up and start using. As soon as you get it out, you can set it up. With the 211 as well as 141, the user only has to set material type, the kind of gas used, the wire diameter, the thickness of the material and then you can simply start welding! Especially for amateurs, this saves you of frustration. And for those welders who are already well aware of the specifications, so for them, both machines offer manual modes as well, which offer enough flexibility to let you choose what you want.


The Millermatic 141 is not an incredibly heavy machine. It has been designed with portability in mind and weighs just 51 lbs. This makes it so much easier to pick up and carry around. There are two new handle slots in addition to the handle on the top so that handles can be added and it becomes easier to carry. That said, 51 lbs isn’t a small amount of weight, so it is advisable to use a wheeled cart for transportation.

 Comparatively, the Millermatic 211 is incredibly light, just a mere 38lbs due to its inverter technology.  The size, however, is decent enough to allow the packing and carrying of a 10lbs spool of wire inside. A handle is present to pick it up, which allows gripping the machine from the front as well as the rear of the welder. With the 211, there isn’t any difficulty in moving it around, which gives it another advantage over the 141. What makes the Millermatic 211 even more portable is the fact that it can be used outdoors as well, this means that if you require a welding job to be done outside it can be done using this. 

Pros and cons:

Below are some pros and cons for both the machines:

Millermatic 141

Pros Cons
Infinite Voltage control gives maximum control and quality depending on the type of metal   It cannot be used for thicker metals and industrial tasks.
The design makes it easy to transport   The power cord should be longer than 5 feet.
Due to the auto-set feature, it becomes super easy to install and start.   Same class welders are slightly cheaper
It has the fastest setup time for a 140A welder due to quick select  
 No spatter at all and a very smooth start due to which the weld is cleaner.    
120V input power makes it perfect for use at home.  
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Millermatic 211

Pros Cons
Dual voltage plug makes it versatile. The plug is easy to change. A bit expensive for its range
Very lightweight and portable The duty cycle can be improved
Short setup time due to added features Very flimsy ground clamp.
Very high-quality welds  
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For the Millermatic 141, the price is on the higher side with 140 welder features. But to be fair it does have some added features such as the auto-set feature and the control of voltage.  If you are looking to save a budget, then this may not be an option for you, but pitted against Millermatic 211, this is somewhat cheaper.

The price tag for the Millermatic 211 is on the higher side as well. But in comparison, it has quite a number of features as compared to others on the market. Most notably, it has an auto-set feature and above all, it uses inverter technology.

In short, when it comes to budget, both buys are a bit heavy on the pocket. However, with the number of features that are being offered, it will be a safe investment, so to say the least.


As a conclusion, it can be said that for both professional welders as well as hobbyists. The Millermatic 141 is a high-quality welder that changed the way how 140A class of welders was perceived, due to its new Auto-set feature along with its ease of use and minimal setup time. This is the best choice for those who are looking for a good quality welder for home use as well as Do it yourself projects and want to achieve clean and neat welds.

As for the Millermatic 211, it is the perfect pick for those who are aiming for excellent quality MIG welds on a varied range of various environments, locations as well as metal thicknesses. The machine is on the pricey side, however, the features in this are incredible and hold great appeal for those who like attention to detail. It has been put together with great care to not only look and feel sleek but also pack a punch with respect to its features such as decreased set up times, the heavyweight voltage capabilities along with the decreased weight and increased portability. It is slightly more expensive, but if you are ready to flesh out some money then it is a great investment given the money.

Verdict: The Millermatic 211 has a slight edge over the Millermatic 141. The Millermatic 141 is heavier than the Millermatic 211 and has a less powerful duty cycle as compared to the Millermatic 211. The Millermatic 211 is lighter, more portable and much more versatile when it comes to the thickness of materials. Moreover, the Millermatic 211 is more versatile as it can support both direct outlets as well as generator power. This means that it can be used both indoor and outdoor without any hassle. These are just a few of the edges that Millermatic 211 has over the Millermatic 141, other than that, both welders are excellent choices. Both of these machines pack a punch in terms of features and performance and give great value for money.

Miller 211 – More detailsMiller 141 – More details