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The Tweco Classic No. 3 MIG Gun (TWE1030-1143) represents the benchmark for air-cooled MIG welding performance in heavy-duty industrial applications. Designed with a Lincoln-style rear connection, this specific configuration allows for immediate plug-and-play compatibility with Lincoln Electric wire feeders and power sources that utilize the standard Lincoln backend. Rated at 300 Amps at 60% duty cycle (using CO2 gas), the Classic No. 3 is engineered to handle high-volume fabrication tasks without overheating or compromising arc stability.
This model features a 12-foot cable assembly, providing a balance between reach and wire feedability. The shorter 12-foot length is often preferred in bench work or production cells where excessive cable slack can create tripping hazards or feeding issues. The gun comes factory-configured for .035" to .045" (0.9mm - 1.2mm) welding wire, making it ready for the most common structural steel and manufacturing applications right out of the box. It utilizes the robust 44 Series liner, which ensures smooth wire delivery and reduces bird-nesting.
Maintenance and consumable management are simplified thanks to the widespread availability of Tweco consumables. The gun utilizes 14 Series contact tips, 24 Series gas nozzles, and 54A gas diffusers—parts that are staples in tool cribs worldwide. The mechanical connection of the conductor tube to the cable assembly is designed for high conductivity and mechanical strength, ensuring that the gun withstands the rigors of daily shop abuse. For procurement managers and facility operators, the TWE1030-1143 offers a reliable, cost-effective solution that minimizes downtime through its proven longevity and ease of repair.
Key Technical Specifications:
| Additional Information |
|---|
| Amps:300 |
| Cable Length:12 ft |
| Connection Type:Lincoln |
| Wire Size:0.035, 0.045 |
| Cooling Method:Air Cooled |
| Duty Cycle:60% at 300A |
| Series:Classic No. 3 |
