The Tweco Classic No. 3 MIG Gun (SKU: 1030-1009) represents the evolution of one of the welding industry's most trusted tools. Designed for medium to heavy-duty fabrication, this 300-amp air-cooled gun combines the rugged durability of the traditional Classic series with the advanced performance of Tweco's Velocity™ consumable system. This specific configuration is engineered with a 15-foot cable assembly and is pre-setup to handle 1/16" (1.6mm) welding wire, making it an excellent choice for structural steel, heavy equipment manufacturing, and flux-cored arc welding (FCAW) applications.
The core advantage of this model lies in the integration of Velocity consumables. Unlike traditional threaded tips, the Velocity system utilizes a threadless, drop-in contact tip design that seats firmly into the conductor tube. This creates a solid copper-to-copper electrical path, significantly reducing electrical resistance and heat buildup. The result is a more stable arc, reduced spatter, and extended consumable life, which directly translates to lower operational costs and increased uptime in production environments.
Mechanically, the gun features the iconic oval-shaped handle that welders have favored for decades due to its balance and comfort. The 15-foot cable offers a generous working envelope, while the heavy-duty jacket resists abrasion, cuts, and burns common in industrial settings. The rear connection is a standard Tweco style, ensuring seamless compatibility with a vast array of wire feeders and power sources found in workshops across North America. With a 60% duty cycle at 300 amps using CO2 gas, this tool is built to withstand the rigors of continuous welding operations.
Key Technical Specifications:
| Additional Information |
|---|
| Brand:Tweco |
| Amperage:300 |
| Cable Length:15 ft |
| Wire Size:1/16" (1.6 mm) |
| Cooling Method:Air Cooled |
| Connection Type:Tweco Style |
| Packaging Description:1 Per Ea |
| Process Type:MIG (GMAW), Flux Cored (FCAW) |
| Duty Cycle:60% @ 300A |
| Consumable Series:Velocity |
| Handle Style:Classic No. 3 |
| Gas Type:CO2, Mixed Gases |
