GZ GUOZHI 140A MIG Welder 110V 3 in 1 Multi-Process Flux Core Welding Machine Black for Home Use
GZ GUOZHI 140A MIG Welder, 110V 3 in 1 Multi-Process Welding Machine Gasless Flux Core Welder MIG, MMA, Lift TIG(22.5LB)
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GZ GUOZHI 140A MIG Welder, 110V 3 in 1 Multi-Process Welding Machine Gasless Flux Core Welder MIG, MMA, Lift TIG(22.5LB)

554 ratings

Key item features

  • Versatile Welding: This 3-in-1 multi-process welder supports Flux Core MIG (0.03/0.035 inch wire), MMA (electrodes under 1/8 inch), and Lift TIG (TIG gun sold separately), adaptable for various welding materials like mild steel, cast iron, and sheet steel.
  • Smart Synergic Control: Features built-in synergic control for automatic voltage and current adjustment, simplifying operation, and includes arrow buttons for easy wire diameter selection and automatic voltage control.
  • Robust Performance: Offers a maximum output of 140A at 110V, utilizing IGBT module technology for stable current and voltage, ensuring better welding performance and thickness.
  • Enhanced Safety Features: Equipped with built-in protections against overheating, overvoltage, and overloading, and includes high-standard 500A electrode holder and work clamp for safer operation.
  • User-Friendly Interface: Designed with a simple interface featuring two damping knobs for precise current and voltage adjustments and reference data marked on the panel for easy manual welding.
  • Compact Design: Weighing approximately 22.5 lbs with dimensions of 16.5 x 7.6 x 12.7 inches, this welder is designed for home use and portability.
  • Included Accessories: Comes with a 3-in-1 multiprocess welder, 500A work clamp, 500A electrode holder cable, 500A MIG torch, two conductive nozzles, two electrodes, and a manual.
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Specs

Welder type, MIGAmps, 140 AVolts, 110 VTorch type, MMA/MIG,TIGBrand, GZ GUOZHIDisplay, Digital

About this item

Product details

Since 2002, GZ GUOZHI has been a testament to the power of expertise and innovation 

G---Growth in Innovation

Z---Zenith of Performance

At GZ GUOZHI, we don't just build welding equipment—we build the future with you.

GZ GUOZHI offers a wide range of products to meet the different needs of welding professionals and enthusiasts.

All machines come with a 2 year warranty and lifetime technical support.

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The GZ GUOZHI 140A MIG Welder is a powerful and versatile 3-in-1 welding machine designed for home use, operating at 110V. It features advanced IGBT technology for stable current and voltage, ensuring superior welding results and greater welding thickness. This welder supports gasless Flux Core MIG, MMA, and Lift TIG welding processes, making it suitable for a wide range of welding materials and scenarios. With built-in safety features and an easy-to-use interface, this welder is perfect for both beginners and experienced welders.


Machine Specification:

-Mode: Stick/MIG/LIFT TIG

-Functions:Hot Start,Arc Force, Anti-Stick 

-Rated input voltage (V):115V

-Rated input frequency(HZ):50-60

-MMA current range (A):40-120

-TlG current range (A):20-120

-MlG current range (A):40-130

-Feeding Speed (FT/MIN):7.5-24.6

-Wire diamater (inch):0.03-0.035

-Duty cycle (%):60

-Insulation class:F

-Protection class:IP21S

-IGBT Invertr :YES

-Synergic Control: YES

-Screen Display: Digital Display

-Item Weight: Approx. ‎22.5 lbs.

-Product Dimensions: 16.5 x 7.6 x 12.7 inchs.

-Welding Base Materials: Mild Steel/Cast Iron/Sheet Steel, etc

"

  • 👷【High Performance】:

    • Wide voltage range to prevent instability caused by power surges.
    • Built-in synergic control for automatic adjustment of voltage and current, reducing operational difficulty.
  • 👷【3-in-1 Versatility】:

    • Simple interface with two damping knobs for precise current and voltage adjustments.
    • Reference data marked on the panel for easy manual welding (MIG or MMA).
    • Arrow buttons for easy wire diameter selection and automatic voltage control.
  • 👷【Enhanced Safety】:

    • Built-in protections against overheating, overvoltage, and overloading.
    • Equipped with high-standard 500A electrode holder and work clamp for safer operation.
  • 👷【User-Friendly Controls】:

    • Supports Flux Core MIG (0.03/0.035 inch wire), MMA (electrodes under 1/8 inch), and Lift TIG (TIG gun sold separately).
    • Adaptable for various welding materials and applications.
  • 👷【Synergic Control】:                  

    • Maximum output of 140A at 110V.      
    • IGBT module ensures stable current and voltage for better welding performance and thickness.
  • ♻PACKAGE:

    • 3 in 1 Multiprocess Welder *1
    • 500A Work Clamp *1
    • 500A Electrode Holder Cable *1
    • 500A Mig Torch *1
    • Conductive Nozzle*2
    • Electrode *2
    • Manual *1
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Welder type

MIG

Amps

140 A

Volts

110 V

Torch type

MMA/MIG,TIG

Warranty

Warranty information

Warranty CoverageThis warranty covers defects in materials or workmanship for GZ GUOZHI products, including installation. It is applicable to the original purchaser and is non-transferable. Warranty DurationThe warranty is valid for three (3) years from the date of purchase, as shown on the original sales receipt. What is Covered Materials and Workmanship: Defects under normal use and maintenance. Performance: Functionality as described in the product specifications. Safety Features: Built-in safety features such as IGBT, overheat, overload, overcurrent, and overvoltage protection. What is Not Covered Consumables: Welding wires, electrodes, and tips. Normal Wear and Tear: Damage from regular use. Improper Use: Damage from misuse, abuse, or failure to follow instructions. Unauthorized Modifications: Alterations or repairs by unauthorized personnel. Environmental Factors: Damage from extreme temperatures, moisture, sunlight, or chemicals. Shipping Damage: Unless shipped directly by GZ GUOZHI or an authorized distributor. Warranty Claim Process Contact Support: Reach out to GZ GUOZHI Customer Support with your sales receipt and a description of the issue. Evaluation: The support team will assess your claim. Repair or Replacement: Approved claims will be addressed with either a repair or a replacement. Shipping Costs: Customers cover shipping to GZ GUOZHI; if approved, GZ GUOZHI covers return shipping. Limitations and Exclusions No Other Warranties: This is the sole warranty. No other express or implied warranties, including merchantability or fitness for a particular purpose. Liability Limitation: GZ GUOZHI is only liable for repair or replacement under this warranty. No liability for indirect, incidental, or consequential damages. State Law Rights :This warranty provides specific legal rights, and you may have other rights varying by state. Updates to Warranty Terms:Warranty terms are subject to change. Refer to the latest version with your product or on the GZ GUOZHI website.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.4 out of 5 stars
stars
554 ratings281 reviews
Includes global ratings and reviews
How item rating is calculated

Reviews summary

Pros

  • : Delivers reliable results in various environments.
  • : Offers great capabilities and performance at this price point.
  • : Designed for users of all skill levels.
  • : Settings are easily readable in various lighting conditions.
  • : Made with solid construction that feels sturdy.

Neutral

  • : Can be straightforward, but sometimes vague or incomplete.
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Showing 1-3 of 281 reviews

Dec 24, 2025
Reviewer name: Alberto
Top Reviewer
Item details
Amps: 130 Amps
Sold byGZ GUOZHI WelderDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great value!!!

I haven't used it yet, but will in 1-2 months. Then I can give a true evaluation!!!

Helpful?6ME9E1QXN76V7306522602
Dec 21, 2025
Reviewer name: Scott
Top Reviewer
Item details
Amps: 130 Amps
Sold byGZ GUOZHI Welder
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

great welder

got it for my granddaughter, great learning tool for beginners

Helpful?6ME9E1QXN76V7306522602
Aug 14, 2026
Reviewer name: Joshua
Item details
Amps: 140 Amps
Sold and shipped byGZ GUOZHI Welder
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

works great

Helpful?6ME9E1QXN76V7306522602
Current price is $73.32
Price when purchased online
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