The Tweco Classic No. 4 MIG Gun is a legend in the welding industry, known for its durability, simplicity, and high performance in heavy-duty applications. Rated at 400 Amps at 60% duty cycle, this air-cooled gun is designed to handle the heat and physical abuse of structural steel fabrication, heavy equipment manufacturing, and shipbuilding. This specific configuration features a 20-foot cable, providing welders with the extra reach needed to work around large assemblies without constantly moving the wire feeder.
Equipped with a standard Tweco-style rear connection, this gun is compatible with a wide range of wire feeders and power sources that utilize the Tweco adapter system. The Classic No. 4 utilizes the widely available 14 Series contact tips, 24 Series gas nozzles, and 54 Series gas diffusers, making consumable management simple and cost-effective. Its metal-jacketed conductor tube and heavy-duty paddle handle ensure a long service life, even in the toughest shop environments.
Whether you are running solid wire with shielding gas or flux-cored wire, the Tweco Classic No. 4 delivers consistent wire feeding and arc stability. The 20-foot length is ideal for welders who need flexibility and mobility, reducing the need to reposition equipment. Trust the gun that has defined the industry standard for decades.
| Additional Information |
|---|
| Amperage:400 A |
| Cable Length:20 ft |
| Cooling Method:Air Cooled |
| Connection Type:Tweco |
| Series:Classic No. 4 |
| Duty Cycle:60% at 400A |
| Process Type:Flux-Cored (FCAW), MIG (GMAW) |
| Wire Capacity:Up to 5/64" (2.0 mm) |
| Handle Type:Paddle Handle |
