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The Tweco Classic No. 4 MIG Gun (SKU: 1040-1929) represents the gold standard in air-cooled welding torches for heavy-duty industrial applications. Designed with a 400-amp rating at a 60% duty cycle using CO2 gas, this gun is engineered to withstand the rigors of high-volume manufacturing, structural steel fabrication, and heavy equipment repair. This specific configuration features a 15-foot cable assembly and a Lincoln-style rear connection, ensuring seamless integration with compatible Lincoln Electric wire feeders and power sources.
At the core of the Classic No. 4 is its robust construction. The gun utilizes a heavy-duty copper conductor tube and a durable cable assembly that resists cuts, abrasion, and heat. The air-cooled design is efficient and reliable, eliminating the complexity of water-cooling systems while still maintaining high performance during extended welding arcs. The "VL" designation in the product name typically refers to a specific configuration or packaging suited for volume users or specific distribution channels, ensuring you receive the genuine Tweco performance required for critical welds.
Maintenance and consumable management are simplified with the Classic series. It utilizes the widely available Tweco 14 Series contact tips, 24 Series gas nozzles, and 54A gas diffusers. This standardization reduces inventory complexity and ensures that replacement parts are always within reach. The gun comes factory-installed with a liner suited for standard wire diameters (typically .035" to .045"), but can easily be adapted for wires up to 5/64" (2.0mm) with the appropriate liner change. For procurement specialists and facility managers, the Tweco Classic No. 4 offers an unbeatable combination of longevity, performance, and ease of service.
| Additional Information |
|---|
| Amps:400 |
| Cable Length:15 ft |
| Connection Type:Lincoln |
| Cooling Method:Air Cooled |
| Duty Cycle:60 |
| Process Type:Flux-Cored (FCAW), MIG (GMAW) |
| Wire Diameter Capacity:0.035" - 0.045" (Standard), Up to 5/64" (2.0mm) |
| Handle Type:Classic Oval |
| Series:Classic No. 4 |
