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Lincoln 140t vs 140c : What Welder Should You Choose for Solid Welds?

Welding is not an easy job. It takes blood and sweat to design, repair, or fix a metallic structure or material, especially when it’s thick and old. 

But with a touch of passion and dedication, even some of the toughest tasks seem light. However, things could take a wrong turn if the welding machine is off the mark.

Lincoln 140t vs 140c

Welding is not an easy job. It takes blood and sweat to design, repair, or fix a metallic structure or material, especially when it’s thick and old. But with a touch of passion and dedication, even some of the toughest tasks seem light. However, things could take a wrong turn if the welding machine is off the mark.

Lincoln is undeniably one of the most celebrated welders across the globe. It provides some wonderful welding machines for both professionals and newcomers. Yet, out of many, two of Lincoln’s welders have been hard to be picked due to almost similar manufacturing and traits.

Yes! We are talking about the Lincoln 140T vs 140C comparability that has been a question mark for several potential and existing buyers, as not enough genuine information is available online. But through our research and findings, we have gathered a few considerations to help you evaluate the finest welder for your usage.

So, let’s plunge!

Comparison Between Lincoln 140t vs 140c

# Dimension and Weight

Dimension and weight are two important features that help you decide whether or not the welder is portable. The portability factor concerns most to those who mostly work outdoors, or have a lot of transportation requirements.

For instance, one day you need to complete a job at your workplace, and the second day, you have an outdoor task. In that scenario, a portable welder is quite beneficial, as you can carry it from place to place without much hassle.

Gladly, both machines fall in the portable category. However, one is lighter than the other.

The Lincoln SP-140T is 13.65 inches tall, 10.38-inches wide, and 18.16-inches in its depth. And the overall weight is 24.5 kilogram (54lbs). Contrarily, the Lincoln Power MIG 140C is 14-inches in height with a 10.15-inches width and 18.6-inches depth. It weighs 26.3 kilograms (58lbs). This makes the SP-140T more convenient as compared to the MIG 140C.

# Adaptive Control

‘Adaptive Control’ system is something that is seen in big industrial welders, where multiple robots perform the welding work instead of the human workforce. But does that mean this feature has to do something with robots taking over human jobs? Nope!

The feature simply means to acquire real-time reports about the current flow so that the machine doesn’t generate an explosion when used for longer hours. Moreover, this ‘adaptive’ feature reduces the energy consumption of your welder.

Of course, these two machines are typically made for human use. However, one of them does include the adaptive control system. To assure this fact, we enhanced our research to find out the facts. And it appears to be that Lincoln

MIG 140C is equipped with adaptive control support to some extent. Thus, saving it from overpowering the wires, and allowing it to give neat and tidy results at the end of the day. On another note, the Lincoln SP 140T lacks this feature. Therefore, you can expect 140C a bit more jumble-free in contrast to the 140T.

# Technology

Technology and arc go hand in hand. Always remember that if your welder delivers outstanding arc, then the credit goes to the technology it possesses. Furthermore, it increases the welding machine’s performance.

While Lincoln is a remarkable brand, and all of its tools have appreciable efficiency, the company still uses different technologies in every model. This could be a good or bad sign, depending on the application and nature of jobs, but that’s a whole lot of different debate. Let’s concentrate on what these two models are resourced with.

Lincoln SP 140T has a ‘Superior Arc Performance’ technology that brings a forgiving arc, allowing low-skilled operators to create spectacular welds. More to this, the technology simplifies the voltage control, permitting you to use the machine with ease. Likewise, you can enjoy a smooth arc with a minimum spatter.

In the same context, the Lincoln 140C comes with a ‘Diamond Core Technology’ that offers potent arc filtering to assure terrific out-of-position welding along with minimal spatter. And the good thing is that it also has a forgiving arc just like the 140C.

# Drive Roll

Drive roll helps feed wires effortlessly from the wire spool toward the gun cable. Also, it intensifies the overall performance of the welder.

The SP 140T has a ‘Precise Wire Drive’ to lessen wire crushing and tangling chances, which, if not taken care of, could be annoying and even life-threatening. This machine comes with ‘brass-to-brass’ connections to assure improved conductivity and current flow. Also, it includes an industrial-based drive motor to enhance the torque and give a problem-free performance.

Conversely, all Lincoln 140C’s drive roll characteristics are the same as the SP 140T. But with the addition of dual gear-driven rolls, this machine delivers more positive traction. Thanks to the ‘Industrial Cast Aluminum Drive’ for making it happen.

# Welding Processes and Applications

Both SP 140T and 140C share the same welding processes, like Flux-Cored and MIG, but the applications are changed.

For example, Lincoln SP-140T can be used for repairing and maintenance, auto-body and farm welding, metal fabrication, and light industrial work. Whereas, the POWER MIG 140-C is best for light fabrication, auto-body welding, and repairing and maintenance.

Some Similarities We Found in Lincoln SP-140T and Lincoln POWER MIG 140C
# Voltage and Duty Cycle

Voltage plays a vital role to operate any welding tool. Different welders consume distinct power supplies to run successfully. The most common input power found in the majority of the households or workplaces is 120V.

We have researched both welders and found that each one includes similar input power. So whether you are buying Lincoln SP 140T or Lincoln 140C, you can use these tools at 120 voltage.

Likewise, the duty cycle is an essential feature that stops your welding machine from overheating. The higher the duty cycle, the better the welder would run before it requires to be reset. In other words, the duty cycle explains that for how long you should do continuous welding using any welder before it will shut down?

When talking about both these welding machines, both of them have a 20% duty cycle. That means you can weld for approximately 2 minutes without any break before the tool has to reset. Crossing the limit on both welders could harm the internal mechanism.

# Welding Thickness

Welding thickness is another important trait for any welder, and we found that both welders have the same welding thickness capability. Through our investigation, we have gathered that on a single pass, these welders can weld up to 3/16-inches thick steel through the Flux-cored welding process.

Contrarily, if you are using MIG welding, then expect a maximum 10 gauge welding thickness on the same material. Whereas, MIG welding any aluminum sheet is possible up to 12 gauge only.

On the other hand, multiple passes can weld around 5/16-inches thick steel when using Flux-cored welding. But, the company doesn’t assure successful multi-pass welding on the MIG welding process.

# Design and Protection

Many newcomers are confused when they see both welders, as they believe these models have no difference. Why? It is because they don’t try to search for the features, and instead, they judge the book by its cover.

Lincoln 140T and 140C do look like replacements for one another, but, in reality, these are two different machines, but undeniably, they have a related appearance and body design, like the red color. And the only ‘visible’ way to spot the difference is by seeing the front area of the machine with a model mark to define their respective model numbers.

Moreover, both machines are tool-less, meaning you don’t have to use any special tools to open the welder’s body whenever servicing is required. You can open all the basic components with your bare hands, in case you want to clean the welders.

These two models come with a ‘PC Board Protection’. If you’re not sure about the term, don’t worry we are here to tell. Well! The simplest way to understand this characteristic is that the circuit board of both of these machines have a non-conductive and conformal coating.

The non-conductive coating includes non-metallic pigments, which are used to create a robust insulating layer to protect metallic parts from excessive heat. Whereas, the conformal coating contains a light polymeric film, placed above the printed circuit of your welder’s board to safeguard the components.

Pros and Cons of Lincoln SP-140T
  • SP-140T is very user-friendly and ideal for the beginners
  • This is a DIY welder that can weld all home-based projects, as well as, small industrial tasks
  • The tool even works on some of the dirtiest and oiliest metals, which are being untouched for years
  • You can attach the spool gun (Magnum 100SG) recommended if you want to savor great results when welding aluminum
  • The speed control knobs for wire feed are not durable due to low transistor quality
  • Uneasy to repair, as reaching the components first require the unpeeling of coating to reach the control board
Pros and Cons of Lincoln Power MIG 140C
  • Lincoln MIG 140C is a lightweight and portable welding machine which is easy to carry
  • This welder can be fine-tuned, as you don't have to set up dials notch-by-notch, instead you can adjust them hair-by-hair
  • Despite the 20% duty cycle, you can do continuous welding without stopping much for a cool-down cycle
  • It offers a striking output with a maximum bending ability to help you manage the welding tasks without any difficulty
  • There are very few sprinklings near the work area, therefore there is not much need to clean an object every time you have finished the job
  • You cannot feed .035-inches 2lb spools
  • The machine is not suitable for industrial and professional work

When it is about Lincoln 140T vs 140C, we think that some of the basic features of both welding tools are quite alike. The same voltage and duty cycle, as well as, welding capability together with the design and body structure, all are identical. So, if only these qualities matter to you, then you can pick any one of them because both products can help you complete small tasks.

Nevertheless, to be more rational, if technology, and drive roll hits you hard, then going for the Lincoln 140C is what we suggest. But keep in mind that this model still won’t help you in finishing industrial projects. Conversely, selecting the Lincoln SP-140T model gives you access to portability, additional welding processes, and applications, which means you can rely on this welding machine for multiple and more sophisticated indoor and outdoor tasks.

David Ferguson

A professional and passionate welder, a writer who loves to write about the welding and plasma cutting tools. In this site, you will get all the information about welding tools in depth. Just share your feedback and suggestion that will help the website to grow more. Find me: Facebook

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