Lotos MIG 140 MIG Welder Review

As an Amazon Associate we earn from qualifying purchases. ToolPickr is reader-supported. When you buy through links on our site, we may earn an affiliate commission.Learn more

In Brief: Lotos MIG 140 Review

The Lotos MIG 140 welder brings MIG and flux core welding to beginners and DIY welders. This convenient, portable machine comes ready for MIG use right out of the box and includes the ability to upgrade to flux core capabilities as well. Its sturdy, durable chassis and handle complete the efficient design of this welder.

The Lotos Technology company creates high-quality welding equipment including welding machines, plasma cutters, and accessories. This company focuses on the production of durable machines that are built to last.

The Lotos MIG 140 welding machine incorporates the Lotos Technology company’s commitment to durable products into its design.

This portable welder functions well as an everyday welding machine for shop work or home projects.

Key Specifications of the Lotos MIG 140

LOTOS MIG140 140A MIG Welder Advanced Auto MIG Synergistic Setting, Voltage Fine Tuning, Gas MIG Welding & Gasless Flux Core MIG Welding - Brown, 120V, Without Aluminum Spool Gun

With a simple dial adjustment panel and easy access 2T/4T switch, the Lotos MIG 140 welding machine provides a user-friendly design perfect for any skill level.

This machine comes ready to MIG weld and includes the option for flux core welding, too.

Check out the Lotos MIG 140 welder in action here:


Take a look at the long list of specs for the Lotos MIG 140 welder here:

Input Voltages
110-115V 1PH 60Hz
Input Current
20A @ 115V
Duty Cycle @ 104* F
20% @90A (18V)
Steel Thickness
Aluminum Thickness
1/8in. or thicker
16in. l x 9.6in. w x 14.5in. h
WarrantyCheck Manual
Features2T/4T Switch
Spool Gun Ready
Ground Cable Quick Connector
AccessoriesMIG gun
Ground cable and clamp
Gas hose and regulator
Contact tips

Unique Features

The Lotos MIG 140 welder comes standard with a handful of beneficial features designed to make it easier to operate and more convenient to work with.

2T/4T Switch

The built-in 2T/4T switch makes it easier to adjust the voltage and speed of your welding project as you go.

Ground Cable Quick Connector

Set up the Lotos MIG 140 welding machine quickly and easily with the help of the included ground cable quick connector.

Spool Gun Ready

For welding jobs that involve aluminum, purchase and install a spool gun on this spool gun ready machine for easy welding.

Flux Core Capable

This welder functions with flux core wire if you purchase the correct type of wire and contact tips for the job.

120V Input Voltage

The Lotos MIG 140 welder features a 120V input voltage that allows you to plug it directly into your home’s power supply without worrying about flipping a breaker.


Performance & Ease of Transportation

This welder provides high-quality performance in a simple, portable size. Its results regularly please its users and its working components last a long time.


Beginners and experienced welders alike enjoy the smooth performance of the Lotos MIG 140 welder.

This product works nicely right out of the box for MIG welding and provides equally good quality results when used for flux core welding, too.

The machine handles stainless steel and mild steel with no trouble. It can tackle projects of almost any size and feeds wire smoothly throughout the process.

This welder also features a sturdy design that keeps it from becoming damaged or worn from regular use.

Ease of Transportation

The welder weighs 54 pounds, so it comes in on the lower end of the portable welder scale.

It also features a 120V option that allows it to plug into household power outlets, making it even more portable and convenient for home use.

The welder includes a sturdy handle built into the top of the machine to make transportation simple. Bring it along for on-site welding jobs or carry it around the home or garage to complete tasks.


Weld Quality and Available Options

This welder creates high-quality welds with clean starts and finishes. Its MIG function results in especially nice welds, but its flux core option also offers plenty of quality.

The welder functions smoothly so your welding stays smooth, too.

The machine features simple dial controls to allow you to adjust the settings as you go. Keep up with your welding needs throughout any project and enjoy the stunning results with the Lotos MIG 140 welder.

This welder comes in only one option. However, customers usually add on extra items to improve their welding experiences:

  • Welding helmet: Purchase this add-on for safety and to make your welding more comfortable.
  • Spool gun: This attachment allows you to weld aluminum with this welder as well as to perform flux core welding.

Ease of Maintenance, Repairs & Warranty

The Lotos Technology company’s web site offers replacement parts for consumables, accessories, and cables.

However, the site does not sell replacement parts for the interior of the welding machine. Only a professional technician should repair the inner components.

Keep up with routine maintenance to extend the life of the machine. Turn off the machine and leave it off for 30 minutes before taking care of any maintenance.

Use compressed air to blow dust and dirt out of the vents and interior of the welding machine at least once every three months, or more if you use the machine frequently.

Every month check the cables, connectors, and consumables to see if they need to be replaced. Repair or replace any damages before using the machine again.

The Lotos Technology company includes a 1-year warranty for parts and labor with this machine. It also offers a 30-day return policy for a full refund.

The warranty excludes consumables. Customers must register their machines for the warranty.

Contact customer service at 408-739-2329 for more warranty information.


Which type of gas works best for the Lotos MIG 140 welder?

The welder works well with argon gas and also functions with 75 percent helium 25 percent argon.

Can you use the Lotos MIG 140 welder with and without gas?

Yes. This welding machine functions for both gas and gasless welding projects.

Can you use contact tips from other brands for the Lotos MIG 140 welder?

Yes. The contact tips are standard size, so replacements from other companies work as well.

Can you use this welder for any TIG or stick functions?

No. The welder only offers MIG and flux core welding options.

Price of the Lotos MIG 140

The Lotos MIG 140 welder comes in at an average price point compared to other dual-style welders on the market.

Many of its competitors offer similar prices with similar features, so this welder costs neither more nor less than most others.

Even so, the welder provides an affordable way for beginners to get into MIG and flux core welding. It comes with plenty of add-ons already and can be used out of the box, so the value makes the cost worthwhile.


Who Should Buy the Lotos MIG 140?

With plenty of beginner-friendly features, the Lotos MIG 140 provides a good, solid start for individuals just learning how to weld.

It also offers a durable, portable solution for more experienced welders in need of something that transports easily.

Home hobbyists and DIYers enjoy working with this welder because of its accessible controls, its light weight, and its home current option.

The machine provides plenty of capability for casual welders and enough power for serious welders, too.

Our Recommendation

The Lotos MIG 140 welder keeps hobbyists of any skill level satisfied throughout their projects.

With mild steel and stainless-steel capabilities out of the box and the option to upgrade to aluminum, the welder features everything you need to learn, grow, and hone your skills.

We recommend this welder for beginners or intermediate hobbyists who want to learn MIG and flux core welding.

We also recommend it for individuals who work around the home or garage often and need to complete welding tasks frequently.


Last update on 2024-05-30 / Affiliate links / Images from Amazon Product Advertising API

About Michael Adams

Michael has been providing handyman services for the last 14 years. He also contributes as a writer sharing his experience and experience for design projects.

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.