Weldmark MIG25-140

Weldmark MIG25-140 MIG Welder with Flowgauge regulator and MIG gun assembly 120V 60 Hz


The Weldmark MIG25-140 MIG welding machine is designed to work with application materials like mild steel, stainless steel, or aluminum (if utilizing optional spool gun). The full kit includes flowgauge regulator, 10 ft gas hose, 10 ft MIG gun assembly, two extra contact tips, and 10 ft ground cable with clamp. The duty cycle on this unit is rated at 30% @90 amps, with a power input voltage of 120V 60 Hz, output range of 30-140A, and compatible with GMAW and FCAW processes. Enjoy built-in conveniences like spoolgun capability, spot timer, thermal overload protection, and infinite voltage wire speed control. This unit’s physical dimensions are 17.75 x 9.625 x 15.5 in, weighs 31 lbs, and is portable by use of handles. Meets or exceeds CSA safety standards. Made in China.


  • • 140 amp output, 120 volts input power, 20A, 50/60 Hz, single phase
  • • Advanced Inverter Technology
  • • No Load Voltage 68V DC
  • • Output Range 30 to 140 Amps, 140 Amps Peak

  • • 30% Duty Cycle at 90 Amps
  • • Spot Timer Control
  • • MIG Gun Accepts Tweco 11 series contact tips and 21 series nozzle consumables
  • • Handles Up to .035 Mild Steel & Flux Core
  • • 10′ MIG Gun with one piece Tweco style back end connector

Spec Sheet Owner's Manual

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