Firepower® - Tweco™ Fabricator™ 141i 120 V 140 A MIG/TIG/Stick Multi-Process Welder with Cart

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Tweco™ Fabricator™ 141i 120 V 140 A MIG/TIG/Stick Multi-Process Welder with Cart by Firepower®. Fabricator™ 141i delivers 3-in-1 MIG, STICK, and TIG capability from one integrated portable system. Fabricator 141i features digital meters, 4T trigger control and quick change polarity from the front of the power source.


Welding Process: MIG (GMAW), TIG (GTAW), Stick (SMAW)
Primary Voltage: 120 VAC
Supply Voltage Range: 95-140 VAC
Phase: 1
Supply Frequency: 50/60 Hz
Supply Plug: NEMA 5-20P
Rated kVA @ 140 A: 5 kVA
Lead Cord Length: 10' (3m)
Maximum Output: 140 A
MIG (GMAW/FCAW) Welding Output @ 104°F (40°C): 140 A/19 V @ 15% Duty Cycle / 90 A/18.5 V @ 20% Duty Cycle
STICK (SMAW) Welding Output @104°F (40°C): 90 A/23 V @ 15% Duty Cycle / 80 A/23.2V @ 35% Duty Cycle
TIG (GTAW) Welding Output @ 104°F (40°C): 140 A/15.6V @ 15% Duty Cycle / 100A/14V @ 20% Duty Cycle
Current Range: 10 - 140 A
MIG Welding Voltage Range: 14.5 -19 V
Wire Feed Speed Range: 90 - 390 ipm (2.3 - 9.9 m/min)
Nominal OCV Volt/DC: 53 V
Maximum Plate Thickness: 3/16" (4.8 mm)
Mild Steel Wire Diameter Range: .023-.030" (0.6-0.8 mm)
Stainless Steel Wire Diameter Range: .023-.030" (0.6-0.8 mm)
Aluminum Wire Diameter Range: .030" (0.8 mm)
Flux Cored Wire Diameter Range: .030-.035" (0.8-0.9 mm)
Spool Size Capacity: 4", 8" (100 mm, 200 mm)
Approvals: I EC 60974-1, CSA E60974-1, UL 60974-1
Protection Class: IP23S
Power Source Dimensions: 16.2" x 8.3" x 17.7" (410 x 210 x 450 mm)
Power Source Weight: 32.2 lbs (14.6 kg)
Portability: Handheld


  • MIG/TIG/Stick Multi-Process Welder
  • Cart


  • Infinite voltage control for precise voltage settings, inductance control for arc stability and spatter control, and adjustable burnback control
  • Durable metal feed plate features 2 roll drive system, reversible drive rolls and easy-to-set single scaled wire tension knob
  • Adjustable arc force control for optimum Stick (SMAW) electrode performance and built in hot start for easy arc starting
  • Lift TIG start provides TIG arc starting without the use of high frequency
  • Spool gun ready

Overload protection shuts down the power source to protect the internal electrical components from overheating. Intelligent fan control operates when welding commences to cool components and reduce airborne contaminants pulled through the power source.

A leader in metal cutting, gas control and specialty welding solutions, Firepower® meets the needs of people who demand professional results. Firepower lineup provides superior performance, excellent value and ease-of-use, helping the craftsman get the job done right the first time. The company offers a broad range of manual plasma cutters capable of slicing up to 1-1/2 inches in multiple metals. These machines are easy to use and can cut a variety of metals, including steel, aluminum, and more. Firepower also manufactures a wide variety of welding equipment, including MIG/Flux cored welders, TIG and stick welders, etc. To compliment your cutting and welding equipment, Firepower provides a deep selection of welding accessories. All Firepower products represent the leading edge in design, quality and safety, backed by 100 years of proven innovation.

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Firepower® - Tweco™ Fabricator™ 141i 120 V 140 A MIG/TIG/Stick Multi-Process Welder with Cart

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