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10471007 - Tweco WeldSkill WM400 MIG Gun, 400A, 15ft, Tweco Connection

Packaging: pack of 1
$808.30/EA $586.24/pack of 1 only $586.24/EASave 27%

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OVERVIEW

Upgrade Your Welding Setup with the Tweco WeldSkill 400

When the heat is on and the welds need to be heavy, the Tweco WeldSkill 400 Amp MIG Gun is the reliable partner you need in your hand. Built by one of the most trusted names in the welding world, this gun is designed for welders who demand durability without unnecessary complexity. Whether you are welding thick structural beams, repairing heavy machinery, or fabricating large steel components, the 400-amp rating ensures you have the power handling capacity to lay down smooth, consistent beads hour after hour.

One of the biggest advantages of this gun is its comfort and usability. Welding at 400 amps generates significant heat and often requires heavy wire, but the WeldSkill 400's ergonomic oval handle is shaped to reduce hand strain, giving you better control over the puddle. The 15-foot cable gives you the freedom to move around your workpiece without constantly dragging the feeder, while the rugged steel spring strain reliefs prevent the cable from kinking or fraying at the connection points. It’s a tool built to survive the rough-and-tumble environment of a real welding shop.

Forget about hunting for obscure, expensive replacement parts. This gun uses standard Tweco consumables—the tips, nozzles, and diffusers you probably already have in your toolbox or can find at any local supply store. This means less downtime waiting for parts and more time burning wire. The Tweco-style rear connection plugs right into most major wire feeders, making setup a breeze. If you are looking for a no-nonsense, high-performance MIG gun that balances professional quality with practical value, the Tweco WeldSkill 400 is an excellent choice for your arsenal.

The gun comes ready to weld right out of the box, typically set up for .045" wire, which is the sweet spot for many heavy industrial applications. The metal-jacketed neck stands up to spatter and abuse, ensuring that your gun stays in service longer. Whether you are a seasoned pro or equipping a new station, trusting Tweco means trusting a legacy of welding excellence.

Additional Information
Brand:Tweco
Amperage:400
Length:15 ft
Back End:Tweco
Wire Size:0.045"
Cooling Method:Air Cooled
Torch Type:MIG Gun
Connection Type:Tweco Style
Duty Cycle:60% @ 400A
Series:WeldSkill
Consumable Compatibility:Tweco 14 Series Tips, Tweco 24 Series Nozzles
Packaging Description:pack of 1

INCLUDED

  • 1x Tweco WeldSkill WM400 MIG Gun (15 ft)
  • 1x Contact Tip (Installed, typically .045)
  • 1x Gas Nozzle (Installed)
  • 1x Gas Diffuser (Installed)
  • 1x Steel Liner (Installed)
  • 1x Owner's Manual

APPLICATIONS

  • Structural Steel Fabrication
  • Heavy Equipment Manufacturing and Repair
  • Shipbuilding and Offshore Construction
  • General Industrial Fabrication
  • Trailer Manufacturing
  • Tank and Vessel Welding

FAQ

The Tweco WeldSkill WM400 is rated at 400 Amps at a 60% duty cycle when using CO2 shielding gas.

It uses standard Tweco 14 Series contact tips, 24 Series gas nozzles, and 54 Series gas diffusers.

It features a standard Tweco-style rear connection, compatible with many Lincoln, Miller, and ESAB feeders equipped with Tweco adapters.

Yes, it comes pre-installed with a steel liner, typically sized for .035"-.045" wire.

The Tweco WeldSkill 400 is an air-cooled MIG gun.

Yes, provided you install the correct knurled drive rolls in your feeder and ensure the liner size matches your wire diameter.

The cable is 15 feet (approximately 5 meters) long.

Yes, the conductor tube (gooseneck) is replaceable if it becomes damaged.