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10401914 - Tweco Classic No. 4 MIG Gun, 400A, 10ft, Miller Connection

Packaging: pack of 1
$1,425.26/EA $1,041.14/pack of 1 only $1,041.14/EASave 27%

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SKU: TWE1040-1914 Categories: , ,

OVERVIEW

Reliable Heavy-Duty Welding with Tweco Classic No. 4

The Tweco Classic No. 4 MIG Gun (1040-1914) is a staple in the welding industry, renowned for its robust construction and ability to withstand the rigors of heavy industrial environments. Rated at 400 Amps at a 60% duty cycle, this air-cooled gun is designed for high-amperage welding on thick materials, making it ideal for structural steel, heavy equipment manufacturing, and general fabrication.

This specific model features a 10-foot cable, providing a manageable reach for bench work or stationary welding stations where excess cable management is unnecessary. It comes equipped with a Miller-style rear connection, allowing for direct plug-and-play compatibility with most Miller wire feeders and power sources. The gun is set up to run wire diameters ranging from .035" to .045", covering the most common industrial wire sizes.

Operators appreciate the Classic No. 4 for its ergonomic handle and balanced feel, which help reduce fatigue during long shifts. The gun utilizes standard Tweco consumables, which are widely available and easy to replace, ensuring minimal downtime. Whether you are welding mild steel, stainless, or flux-cored applications, the Tweco Classic No. 4 delivers consistent arc stability and wire feeding performance.

Key Benefits for Industrial Shops

  • Proven Durability: Built to last in harsh shop environments.
  • High Amperage: 400A rating handles heavy plate welding with ease.
  • Easy Maintenance: Simple design allows for quick liner and consumable changes.
  • Compatibility: Fits Miller feeders directly without adapters.
Additional Information
Brand:Tweco
Amperage:400
Length:10 ft
Back End:Miller
Wire Size:0.035" - 0.045"
Item:Gooseneck
Torch Type:Air-Cooled
Duty Cycle:60% @ 400A
Cooling Method:Air Cooled
Cable Length:10 ft
Connection Type:Miller
Applications:Heavy Equipment, Shipbuilding, Pipeline, Fabrication
Packaging Description:pack of 1

INCLUDED

  • 1 x Tweco Classic No. 4 MIG Gun (400A)
  • 1 x 10 ft. Cable Assembly
  • 1 x Miller Style Rear Connection
  • 1 x Standard Consumable Setup (Contact Tip, Nozzle, Diffuser)
  • 1 x Liner (pre-installed for .035-.045 wire)

APPLICATIONS

  • Structural Steel Fabrication
  • Heavy Equipment Manufacturing
  • Shipbuilding and Offshore
  • General Industrial Fabrication
  • Pipeline Welding
  • Railcar Construction

FAQ

The Tweco Classic No. 4 is rated at 400 Amps at a 60% duty cycle using CO2 gas.

This specific model (1040-1914) comes with a Miller-style back-end connection.

It is configured for use with .035" to .045" (0.9mm - 1.2mm) welding wire.

The Tweco Classic No. 4 is an air-cooled MIG gun.

Yes, the Tweco Classic No. 4 is suitable for both solid MIG wire and flux-cored wires, provided the correct drive rolls and liner are used.

This model features a 10-foot (approx. 3 meters) cable assembly.

Yes, Tweco Classic consumables (nozzles, contact tips, diffusers) are among the most widely available welding parts in the industry.

CATALOGUE & SPEC SHEETS

Spec Sheet