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10401688 - Tweco Classic 4 MIG Gun, 400A, 15ft, Miller Connection

Packaging: pack of 1
$2,005.13/EA $1,464.74/pack of 1 only $1,464.74/EASave 27%

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SKU: TWE1040-1688 Categories: , ,

OVERVIEW

Tweco Classic No. 4 MIG Gun Overview

The Tweco Classic No. 4 MIG Gun (SKU: 10401688) is a heavy-duty, air-cooled welding torch designed for high-amperage industrial applications. Rated at 400 Amps at a 60% duty cycle using CO2 gas, this gun is engineered to withstand the rigors of structural steel fabrication, heavy equipment manufacturing, and general industrial welding. This specific configuration features a 15-foot cable assembly, providing ample reach for welders working on large assemblies or in dynamic production environments.

Equipped with a Miller-style backend connection, this gun is designed for direct plug-and-play compatibility with Miller wire feeders and power sources, eliminating the need for additional adapters. The gun comes set up for .035" to .045" wire diameters, covering the most common range for medium-to-heavy fabrication tasks. It utilizes the renowned Tweco consumable platform, including 14 Series contact tips, 24 Series gas nozzles, and 54 Series gas diffusers, ensuring that replacement parts are readily available and cost-effective.

The construction of the Classic No. 4 emphasizes durability and ease of maintenance. It features a metal-jacketed conductor tube and a rugged handle that houses a reliable paddle switch. The cable connection is mechanical, allowing for field repairs if necessary, which minimizes downtime in critical production schedules. The simplified design reduces the number of failure points, making it a preferred choice for MRO managers seeking reliability and longevity in their welding equipment assets.

Key Technical Specifications:

  • Process: MIG (GMAW) / Flux Cored (FCAW)
  • Amperage Rating: 400A (CO2) / 200A (Mixed Gas)
  • Duty Cycle: 60%
  • Cooling: Air Cooled
  • Connection: Miller Direct Plug
  • Cable Length: 15 Feet
Additional Information
Brand:Tweco
Amperage:400
Length:15 ft
Back End:Miller
Wire Size:0.035" - 0.045"
Torch Type:MIG Gun, Air Cooled
Duty Cycle:60% @ 400A (CO2), 60% @ 200A (Mixed Gas)
Cooling Method:Air Cooled
Handle Style:Classic, Paddle Switch
Consumable Series:14 Series Tips, 24 Series Nozzles, 54 Series Diffusers
Packaging Description:pack of 1

INCLUDED

  • 1x Tweco Classic No. 4 MIG Gun (400A)
  • 1x 15 ft. Cable Assembly
  • 1x Miller Style Rear Connection
  • 1x Standard Consumable Setup (.035-.045)
  • 1x Owner's Manual

APPLICATIONS

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

FAQ

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

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

Yes, this specific model (10401688) comes with a Miller backend connection designed to fit most Miller wire feeders and machines.

It is rated at 400 Amps at 60% duty cycle when using CO2 gas.

Yes, the gun is capable of running Flux Core wires. You may need to ensure you have the correct liner and drive rolls for the specific wire type and diameter.

This model comes with a 15-foot cable assembly.

It comes configured for .035" to .045" wire diameters.

Yes, the liner is easily replaceable. The standard liner part number usually depends on the wire size, such as the 44 series liners.