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*2016 Upgraded Version* 140A Mig Wire Welder MIG140 Gas Shielded Welding


Product Description

The New 2017 Upgrade Lotos MIG140 is now available with 2T/4T switch and the 2 digital displays help customers adjust wire feeder speed and welding voltage more precisely. The new designed ground cable quick connector makes easy switch between +/-. The new Lotos MIG140 features a 140 Amp MIG welder that can weld at industrial quality and performance at a very affordable price.

The most versatile and perfect welder for do-it-yourself home users as well as professional users. The Lotos MIG140 is also spool gun capable for welding aluminum. It can be easily connected to your existing 110-Volt wall outlet and quickly setup within 10 minutes or less. It handles industrial standard 4 in. or 8 in. wire spools and incorporates a thermal overload protection system to protect your welder. Spool gun can be purchased separately and is not included.


  • [2016 Upgrade Version]:New Aluminum Wire Feeder-much more stable and better user experience. New Designed Argon.
  • 140-amp MIG Welder with mask, etc.
  • Operates on 110V, Single phase 60Hz
  • Suitable for welding stainless steel, mild steel, aluminum (with a spool gun), and other metal materials

Package Includes:

  • 140 Amp MIG welder with included MIG torch MT104(10ft long); Ground gable and clamp (9ft long); Argon hose; Argon regulator AR03; Hand shield with cleaning wire brush.
  • Includes: a MIG welding solid wire (0.8mm, 0.9kg) spool.
  • Includes MIG accessories: One interior tip for torch MT104 (size 0.8-0.030). One interior tip for spool gun MSG094 (size 0.9-0.035). One wrench and one wire feeder accessory part.



MIG140 User Manual


Output Power


Input Voltages

110-115 V, 1-PH, 60 Hz

Input Current

20A @115V

Duty cycle @ 40°C (104°F)

20% @90A (18 V)

Dimensions with handle

16” (408mm) L

9.6” (244mm) W

14.5” (367mm) H

Weight w/ 8'11’’ (2.7 m) torch

54lbs (24.5kg)

Gas Supply

Steel: clean, dry, oil-free 75% argon and 25% CO 2

Aluminum: clean, dry, oil-free argon

Recommended gas inlet flow rate / pressure

12 – 14L/min

Input power cable length

6’ 3 (1.9m)



Mild Steel

24 Gauge – 1/4"

Stainless Steel

24 Gauge – 1/4"

Aluminum (with a Spool Gun)

1/8” Plate or Thicker



1 Year Warranty Included

*Material thickness are the results of Lotos’ laboratory testing. Production speeds are approximately 80% of maximum.

* For optimum weld quality, welding speeds may vary based on different welding applications.

Product Videos

LOTOS MIG140 140 Amp MIG Welder Installation Guide and Demonstration 05:31

Please visit http://www.lotostechnology.com for more welding and cutting tools by Lotos Technology. For more details about LOTOS MIG140, see http://www.uwelding.com/140-Amp-MIG-Welder-MIG140-p/mig140.htm Thank you for watching! Don't forget to "like" this video or subscribe to our channel :)

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