The Lincoln 140 Pro MIG Welder Review 2022
Last updated ago
5 min read
Welding Buddy Experts
January 16, 2022

The Lincoln 140 Pro MIG Welder Review 2022

Last updated ago
5 min read
Welding Buddy Experts
January 16, 2022

When it comes to the production of high-performance welding machinery, few brands can keep up with Lincoln Electric's lead. With a Lincoln welder by your side, you can be confident in the longevity, efficiency, and accuracy of your welds.

In this write-up, we will look at one of Lincoln Electric's best-selling models, the Lincoln 140 Pro MIG welder. The Pro MIG Welder, packed with all the bells and whistles, is one of those welders that can outlast its warranties while retaining a high degree of efficiency over the years.

Who Should Get The Lincoln Electric 140 Pro MIG Welder    

Lincoln Electric Pro MIG 140 Amp Welder K2480 1 120-volt AC input portable wire welder is ideal for light fabrication, vehicle, house, and farm projects. With a primary two-knob control which you can use to weld stainless steel, thin steel, or aluminum sheet metal with MIG or thicker metals using flux-cored processes. The Pro MIG comes with a sturdy wire drive mechanism, a gearbox made out of cast aluminum, a brass-to-brass gun connection, and an easy-turn numeric drive tension indicator.

With its basic two-knob control, it is simple to weld thin materials with MIG or thicker ones through flux-cored welding. It features a heavy-duty wire drive mechanism, a brass-to-brass gun attachment, a long-lasting cast aluminum gearbox, and an easy-turn numeric drive roll tension gauge.


  • Versatile drive mechanism
  • The use of a brass-to-brass gun attachment improves conductivity.
  • The long-lasting cast aluminum gearbox provides increased drive torque and silent running.
  • The simple-to-use numeric drive tension detector defines optimal ranges for various wire diameters.
  • Smooth arc starts with less spatter.
  • Welding output range of 30-180 amps
  • MIG weld 24 gauge sheet metal up to 3/16 in. (4.8 mm) in a single pass.


  • Costs more than similar models in the market

Lincoln Electric Pro MIG 140 Welder k2480 1 Features and Benefits

Excellent Versatility

The Lincoln Pro Mig 140 has many advantages—one of which is that it can comfortably blend into various projects or assignments. This model guarantees that you will never need another rig for personal projects, no matter where or what they are.

Many features contribute to the Pro’s simplicity and ease of use, but one that stands out is the two-knob control mechanism. This function allows you to swap between various uses with the press of a button. Set the machine to MIG if you’re working with thin-gauge steel or aluminum, and flux-core for maximum penetration into thicker metals. This smooth transition between two operations makes the Pro MIG the perfect machine for various work settings. This flexibility also means you won’t have to shop for a pure flux-core welder if you’re looking to weld both MIG and flux-core.

High-Performance and User-Friendly

When shopping for a welder, you want something that lasts longer than the warranty.

The Lincoln Pro Mig 140 is not only suitable for a variety of applications. It also has a fully customizable drive mechanism, which means that all your projects are configured to the most accurate specification and fully in line with your expectations.

It has a numeric-drive, easy-turn tension indicator, which allows smoother welds and reduced disruptions. It's a handy feature that allows you to operate on various wire diameter ranges without thinking about causing extra harm to your rig.

It's ideal for your workplace to have all the precautions in place to secure your protection and work consistency. This indicates that you're investing in something that will most definitely last.

The Pro Mig’s brass-to-brass gun feature improves productivity, ensuring that your welder is still operating at optimal efficiency. Such features are encased in a tough cast-aluminum gearbox, which is a welcome addition. It not only provides more drive torque to bring more power behind the job, but it also eliminates noise and contributes to a much quieter operation. Less noise ensures you can go home to your family with your hearing intact.

The Lincoln 140 also has a tool-free interface, making the unit amenable for wire spool mounting, polarity adjustments, and wire drive operation. It also comes in handy with a torch tip, drive slide, and nozzle storage.


Another mark for the Pro MIG’s usability is that it operates on 120 volts. While this may seem trivial, it’s actually critical since most outlets in garages, homes, and other civilian settings operate on a 120V input.

The Lincoln Pro MIG’s 30 to 140 amp range output adds a nice touch to the versatile voltage input. This range complements the voltage. This adds to the 120 volts by including more choices and ways to use the unit. Some machines come with limited ranges that may barely fit your needs if you're working with a wide range of amperages. This is the reason why the Lincoln Pro MIG is rising in popularity among today’s welders.

Smooth Welding Performance

When looking for a welding machine capable of several jobs, look for one with a forgiving and reliable arc start—this is what melts the substance you're dealing with and guarantees a fine, stable match.

Your arc can be choppy and difficult to use sometimes, but the Lincoln Pro Mig 140 has an extremely user-friendly arc start to avoid such issues, resulting in a much more friendly and seamless welding experience.

Durable and Lightweight

Durability is critical when addressing welders due to the amount of work they endure over time. There's no denying that the machines are pricey, and you don't want to waste money on anything that could break down after a year. In this regard, the Lincoln Pro Mig 140 shines.

The body has a rigid drive that helps in wire alignment. This is crucial in maintaining the welder in working order because it decreases the chances of the Lincoln breaking down.

A special stress sensor is also included with the unit. This feature immediately alerts you of any potential threats to the system. All these features combine to form a device that will last you for years beyond the warranty.

What's Included in The Box?

  • 10-foot work cable with brass gun connection
  • Contact tips
  • Gasless nozzle
  • Gas nozzle for MIG projects
  • Spindle adapter (8 inches)
  • Shielding gas equipment
  • Welding wire
  • Instruction manual
  • Magnum 100L gun

Price (From Amazon): $1468.27

Technical Specifications

  • Input voltages: 120V/115/110V, 1-phase, 60 Hertz
  • Processes: MIG, Flux-cored welding
  • Input Current: 20A, 60 Hertz
  • Output Range: 30-140 amps
  • Rated Output: 90A/19V/20%
  • Length of Work Cable: 10 feet
  • Max Rating: 140
  • Dimensions with handles: 23.8 x 15.2 x 16.2 inches
  • Weight: 50 lbs
  • Dimensions: 13.7 x 10.15 x 17.9 inches
  • Warranty: 3 years


Lincoln Electric is a prominent manufacturer highly respected for its durable and high-performing products. The Lincoln Pro MIG 140 is absolutely a breeze to use anywhere and anytime. You’ll find that you can easily transition from pursuing your personal projects such as car restoration to doing light professional jobs on the weekdays. Now that you've read this article, we're confident you can look up a Lincoln Pro MIG 140 welder for sale and begin your best welds.

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