30401107 - Tweco TAM Series 400A MIG Gun, 15ft, .035-.045 Wire

Industrial Grade 400A MIG Welding Gun

The Tweco TAM Series 415-3545 MIG Gun (SKU: 3040-1107) represents a robust solution for high-amperage semi-automatic welding applications. Engineered for durability and performance, this air-cooled gun is rated for 400 Amps, making it suitable for heavy fabrication, structural steel, and industrial manufacturing environments where consistent arc stability and heat management are critical. The "TAM" designation typically refers to Tweco's established line of air-cooled MIG equipment designed to withstand the rigors of continuous operation.

This specific model features a 15-foot (4.5-meter) cable assembly, providing operators with a significant working radius around the power source. This extended reach is essential for working on large weldments or in environments where the wire feeder cannot be positioned immediately adjacent to the workpiece. The cable construction utilizes high-quality copper stranding to minimize voltage drop and ensure that the welding parameters set at the machine are delivered accurately to the arc.

The gun is configured out-of-the-box for wire diameters ranging from .035" to .045" (0.9mm to 1.2mm), covering the most common sizes used in general fabrication and medium-to-heavy plate welding. It utilizes standard Tweco consumables, including the renowned 14 Series contact tips and nozzles, ensuring that replacement parts are readily available and cost-effective. The backend connection is a standard Tweco style, ensuring seamless compatibility with a wide range of wire feeders and power sources that utilize this industry-standard interface.

Maintenance and serviceability are key features of the TAM Series. The design allows for straightforward liner replacement and front-end consumable changes, minimizing downtime. Whether utilized in a manual handheld application or adapted for mechanized setups, the Tweco 3040-1107 delivers the reliability professionals expect from the Tweco brand.