10401058 - Tweco Spray Master MS450 MIG Gun 450A 25ft 1/16" Tweco Connection

Heavy-Duty Industrial Performance

The Tweco Spray Master MS450 MIG Gun (SKU: 10401058) is engineered for the most demanding industrial environments. As part of the renowned Spray Master series, this 450-amp air-cooled gun is designed to deliver consistent performance in high-heat applications without the complexity of water-cooling systems. This specific configuration comes with a 25-foot cable, providing exceptional reach for welders working on large structures, railcars, or heavy machinery where mobility is essential.

Optimized for Heavy Deposition

Out of the box, the MS450-25-116 is set up for 1/16" (1.6mm) welding wire. This makes it an immediate solution for heavy fabrication tasks requiring high deposition rates and deep penetration. The gun utilizes Tweco's industry-leading consumables, including heavy-duty contact tips and diffusers that ensure stable arc transfer and longevity even under continuous use. The 80% duty cycle at 450 amps ensures that the tool can keep up with rigorous production schedules.

Durability and Compatibility

Featuring a standard Tweco backend connection, this MIG gun is compatible with a vast range of wire feeders commonly found in North American fabrication shops. The cable assembly is constructed with high-grade materials to resist abrasion, cuts, and burns, extending the service life of the unit. Maintenance is straightforward, with a simplified design that allows for quick liner changes and consumable replacements, minimizing downtime and keeping production moving.

Key Specifications

• Model: MS450-25-116
• Amperage: 450 Amps
• Cable Length: 25 Feet (7.6 Meters)
• Wire Capacity: 1/16" (1.6mm)
• Connection: Tweco Style