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Tweco® Professional No. 4 Classic Series 400 A MIG Gun with heavy-duty contact tip accommodates wires of size 0.045 - 1/16" and features oval shaped handle as well as silver plated trigger. Air-cooled MIG gun is ideal for semi-automatic welding applications and is suitable for medium/heavy-duty fabrication. 15' Lead cable offers good wire feedability and features Lincoln® style rear connection. MIG gun offers 60% duty cycle with CO2 gas and is fully tested. It is equipped with 60 deg metal jacket conductor tube that can swivel a full 360 deg around handle and offers quick replacement. It features fully insulated Mig-Kwik connection that allows quick connection as well as disconnection at the wire feeder. It is balanced to pivot at the center of the handle that reduces operator fatigue and features gun hanger at bottom for easy resting. It features steel spring strain relief that provides support to the Cablehoz® coming out the rear of handle to reduce wire feed issues. It features 2 ball-point screws to secure the Cablehoz® and conductor tube. It features enhanced direct plug capabilities and is easy to repair. Industry standard gun features lower inventory carrying costs. It features a patent-pending design that is easy to maneuver in various welding positions. It has 3-layered conductor tube constructions for durability and features enhanced performance.

Features

  • Trigger contains silver plated contacts with a self cleaning action every time the trigger is engaged and disengaged
  • Improved performance with longer life consumables wide selection of front end consumables available, heavy-duty contact tips in high heat applications offered
  • Industry Standard
  • Durable and dependable for industrial applications, heavy-duty design, high impact resistant handle and components, three layer conductor tube construction (copper tube/silicon-resin glass insulator/metal jacket)
  • Steel spring strain relief provides support to the Cablehoz® coming out the rear of the handle to minimize wire feed issues
  • Metal jacket conductor tube
  • Enhanced direct plug capabilities
  • Lower inventory carrying costs: Interchangeable front end consumables between Tweco® Spray Master® series and Tweco® Professional No. Series
  • Gun hanger located at the bottom for ease of resting gun when not in use
  • Industry standard for 40+ years, oval shaped handle reduces grip required to manipulate MIG gun position
  • Two (2) ball-point screws are used to secure the Cablehoz® and conductor tube in place
  • Field repairable: Split-half handle case provides access for ease of repair - easily repair Cablehoz®, no additional connectors required
  • Mechanical connection of conductor tube and Cablehoz® within the handle providing excellent current path to the end of the contact tip
  • Rated at 60% duty cycle using co2 gas
  • Heavy-duty design for industrial application environments using special plastic composition for high impact crush-resistant handle
  • Balanced to pivot at the center of the handle for ease of use in different welding positions, reduces operator fatigue

Accessories

  • Replacement Binder Posts and handle screws 2040-2124
  • Tweco Classic Replacement Handle Assembly 2040-2087
  • Tweco Classic Dual Schedule Trigger Assembly 2040-2101
  • Tweco classic locking Trigger Assembly 2040-2102
  • Tweco Classic Standard Trigger Assembly 2040-2098
  • Current to Tweco Classic Conversion Kit 1 2040-2088
  • Tweco Classic Gun Hanger 2040-2156
  • Tweco Classic Standard Trigger Blades 2040-2100

Applications

  • Maintenance And Repair Applications
  • Garage
  • Farm
  • Hobby/DIY
  • Production
  • Shop Jobs
  • Artistic Metal Working
  • Amperage: 400 A
  • Duty Cycle: 60% with CO2
  • Wire Size: 0.045" - 1/16"
  • Cooling Method: Air Cooled
  • Cable Length: 15 ft
  • Connector Style: Lincoln Style Connector
  • Physical Size: 14.3 x 23.2 x 3.4 in.
  • Wire Type: Solid, Flux Cored Gas Shielded, Flux Cored Self-Shielded, Aluminum
  • Process: MIG (GMAW)
  • Material: Steel, Copper, Silicon-Resin Glass, Metal Jacket
  • Conductor Tube Angle: 60 deg
  • Conductor Tube Rotation: 360 deg swivel
  • Trigger Contacts: Silver Plated
  • Handle Shape: Oval
  • Conductor Tube Construction: 3-layered
  • Country of Origin: Mexico
  • Trade Name: Tweco Professional Classic No. 4