Skip to Main Content

W1003141 - Thermal Arc Fabricator 141i 3-in-1 MIG/Stick/TIG Welder System

Packaging: 1 per each
$1,814.47/ea $1,642.41/1 per each only $1,642.41/eaSave 9%

Usually ships within 3-5 business days

OVERVIEW

The Ultimate Do-It-All Welding System for Your Garage

Meet the Thermal Arc Fabricator 141i, the versatile powerhouse designed to handle almost any light fabrication or repair project you can throw at it. Whether you are a hobbyist working on an automotive restoration, a homeowner fixing a broken gate, or a beginner looking to learn the trade, this 3-in-1 system is your perfect partner. It combines MIG, Stick, and TIG capabilities into one compact, portable unit that plugs directly into a standard 115V household outlet. No need for expensive electrical upgrades—just plug in and start welding.

What makes the Fabricator 141i stand out is its ease of use without sacrificing performance. The machine comes fully loaded with a professional-grade Tweco Fusion 140A MIG Gun, a Victor flowgauge regulator, and all the necessary leads and clamps to get you started immediately. The intuitive control panel allows you to dial in your settings quickly, while the included setup chart helps take the guesswork out of voltage and wire speed adjustments. Weighing in at a portable size, it includes a comfortable shoulder strap, making it easy to carry around your property or to a friend's garage.

Don't let its small size fool you; this machine is built for real work. You can easily switch between MIG welding for clean, fast joints on steel, Stick welding for outdoor repairs on rusty or thicker metal, and TIG welding (torch sold separately) for precise, beautiful welds on thin materials. The system is even spool-gun ready, meaning you can expand your capabilities to weld aluminum with the addition of a spool gun. From building custom furniture to repairing farm equipment, the Fabricator 141i gives you the freedom to create and repair with confidence.

Key Benefits for the DIYer:

  • Versatility: Three welding processes in one machine mean you always have the right tool for the job.
  • Convenience: Runs on standard 115V power, so you can use it almost anywhere.
  • Complete Package: Comes with premium Tweco and Victor accessories, ensuring reliability right out of the box.
  • Portability: Lightweight design and shoulder strap make it easy to move to the work.
Additional Information
Brand:Thermal Arc
Amperage:140
Voltage:115 V
Weld Process:Multi-Process
Packaging Description:1-of-each
Process Type:MIG, Stick, TIG, Multi-Process
Input Voltage:115V
Amperage Range:10-140A
Wire Feed Speed Range:Adjustable
Included Accessories:Tweco Fusion 140A MIG Gun, Flowgauge Regulator, Electrode Holder, Ground Clamp, Drive Rolls, Contact Tips
Portability:Portable with Shoulder Strap
Control Interface:Infinite Voltage Control, Inductance Control, Burnback Control
Applications:Light Fabrication, Automotive, Repair and Maintenance, DIY
Duty Cycle:15%

INCLUDED

  • Fabricator 141i Power Supply
  • Tweco Fusion 140A MIG Gun with 10 ft. (3 m) cable
  • Victor Flowgauge Regulator
  • 12.5 ft. (3.8 m) Gas Hose
  • Electrode Holder with 13 ft. (4 m) lead
  • Ground Clamp with 10 ft. (3 m) lead
  • Drive Rolls: .023/.030 in. (0.6/0.8 mm) V-Groove (installed), .030/.035 in. (0.8/0.9 mm) for Flux Cored
  • Contact Tips: .023 in., .030 in. (installed), .035 in.
  • 4 General Purpose Stick Electrodes (E6013)
  • Power Adapter 115V, 20A to 15A
  • 10 ft. (3m) Power Cord with NEMA 5-20P 115V AC Plug
  • Shoulder Strap
  • Operator’s Manual and CD

APPLICATIONS

  • Light Fabrication and Construction
  • Automotive Repair and Restoration
  • Agricultural Equipment Maintenance
  • Home Hobby and DIY Projects
  • Maintenance and Repair Operations (MRO)
  • Training and Vocational Schools

FAQ

No, the Fabricator 141i is designed to operate on 115V (110V-120V) primary power. It comes with a NEMA 5-20P plug and an adapter for standard 15A household outlets.

The standard package includes a Tweco MIG gun and an electrode holder for Stick welding. A TIG torch is typically sold separately or as part of a specific TIG package.

Yes, the Fabricator 141i is capable of welding aluminum, but it requires the use of a spool gun (sold separately) to feed the soft aluminum wire effectively.

With 140 Amps of output, this machine can weld mild steel up to approximately 3/16 inch (4.8 mm) in a single pass using the MIG process.

Inductance control adjusts the rate of current rise. Increasing inductance makes the puddle more fluid and 'wet' while decreasing spatter. Decreasing it creates a stiffer, more driving arc.

The Fabricator 141i is an inverter-based power source, which makes it significantly lighter and more energy-efficient than traditional transformer welders.

It accepts both 4-inch (2 lb) and 8-inch (10 lb) wire spools, giving you flexibility for small jobs or longer production runs.

Yes, it includes a high-quality Victor flowgauge regulator and gas hose for shielding gas connection.

CATALOGUE & SPEC SHEETS

Spec Sheet