10601217 - Tweco Classic No. 6 MIG Gun, 600A, 15ft Cable, Tweco Connection

Technical Overview: Tweco Classic No. 6 MIG Gun

The Tweco Classic No. 6 (SKU: 1060-1217) is a high-amperage, air-cooled semi-automatic MIG gun designed for heavy industrial welding applications. Rated at 600 Amps at a 60% duty cycle using CO2 gas, this gun is engineered to handle large diameter flux-cored and solid wires, typically ranging from 1/16" (1.6mm) up to 1/8" (3.2mm), making it a staple in structural steel, shipbuilding, and heavy equipment manufacturing sectors.

The assembly features a 15-foot (4.6-meter) coaxial cable that provides excellent conductivity and flexibility while maintaining durability in harsh shop environments. The rear connection is the standard Tweco style, ensuring compatibility with a vast array of wire feeders and power sources that utilize the Tweco adapter system. The gun utilizes a metal-jacketed conductor tube (gooseneck) which offers superior mechanical strength and heat dissipation compared to polymer-insulated alternatives.

Maintenance and consumable replacement are streamlined through the use of industry-standard Tweco consumables. The front end utilizes 16 Series contact tips, 26 Series nozzles, and 56 Series gas diffusers. The simplified design allows for the rapid replacement of the liner, trigger switch, and cable assembly, minimizing downtime. The handle is constructed from high-impact, heat-resistant composite materials designed to withstand the thermal radiation associated with high-amperage welding.

Key Specifications

• Amperage Rating: 600A (CO2), reduced rating for Mixed Gases


• Duty Cycle: 60%


• Cooling: Air / Gas Cooled


• Cable Length: 15 Feet


• Wire Capacity: Optimized for 1/16" - 1/8"


• Connection: Tweco Style