ESAB Tweco Classic 4 Air Cooled MIG Gun (400A, 035-045, 15FT, Miller) 1040-1136

Details

The Tweco Classic MIG gun is a heavy-duty MIG welding gun designed for demanding fabrication and industrial welding applications. Rated at 400 amps with a 60% duty cycle, this 15-foot gun supports .035"–.045" wire and features a Miller-style rear connector for compatible welding equipment.

Built for high-amperage welding environments, this 400 amp MIG gun combines durable construction with an ergonomic, balanced handle designed to reduce operator fatigue across different welding positions. Its heavy-duty components, field-repairable Cablehoz®, and long-life consumables help provide dependable performance while simplifying maintenance.

Built on a design that has been an industry standard for more than 40 years, the Tweco 400 amp MIG gun delivers the durability, electrical conductivity, and operator control needed for professional heavy-duty fabrication.

Features

• Industry Standard for Over 40 Years – The Tweco Classic MIG gun is built on a proven design trusted for professional fabrication and industrial welding applications.
• Oval-Shaped Handle – Reduces the grip required to manipulate the MIG welding gun, helping ease operator fatigue during extended welding jobs.
• High-Impact Crush-Resistant Handle – Uses a durable plastic composition for long-lasting performance and dependability in demanding environments.
• Heavy-Duty Handle – Balanced to pivot at the center for easier operation of the 400 amp MIG gun across different welding positions.
• Metal-Jacketed Three-Layer Conductor Tube Construction – Copper tube, silicon-resin glass insulator, and metal jacket construction provide improved electrical conductivity.
• Silver-Plated Trigger Contacts – Feature a self-cleaning action each time the trigger is engaged or disengaged for dependable operation.
• Heavy-Duty Design – Engineered to provide reliable performance for heavy-duty fabrication and industrial welding applications.
• Field-Repairable Cablehoz® – Designed for convenient field service without requiring additional connectors.
• Gun Hanger – Located at the bottom of the gun for convenient storage when not in use.
• Split Handle Case – Provides easy internal access for repairs and routine maintenance.
• Improved Performance – Designed to support longer consumable life and dependable welding performance.
• Wide Selection of Front-End Consumables – Compatible with a variety of consumables for different MIG welding applications.
• Front and Rear Steel Spring Strain Relief – Supports the Cablehoz as it exits the handle and helps minimize potential wire-feed issues.
• Heavy-Duty Contact Tips – Available for high-heat applications where durability and consistent performance are essential.
• Interchangeable Front-End Consumables – Compatible consumables can be used between the Tweco® Classic No. and Tweco Spray Master® series for added versatility.
• 400-Amp Welding Performance – The Tweco 400 amp MIG gun delivers a 400-amp, 60% duty cycle for demanding professional and heavy-duty fabrication applications.

All orders are processed within 1-2 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive another notification when your order has shipped.