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For welders who demand reliability and comfort, the Tweco Spray Master V415-3545M is the gold standard in 400-amp air-cooled MIG guns. If you are running a Miller welder but prefer the feel and performance of a Tweco torch, this unit is the perfect match. It features a direct-connect Miller back end, eliminating the need for adapters and ensuring a secure, high-conductivity connection to your machine.
Welding at high amperages can be physically demanding. The Spray Master series addresses this with a handle design that balances weight and grip. The trigger action is smooth and responsive, designed to minimize finger fatigue over hours of continuous welding. The 15-foot cable provides ample freedom of movement, essential for working on large trailers, truck bodies, or structural beams.
The "Spray Master" name isn't just a label; it refers to the gun's ability to handle high-heat spray transfer welding applications effectively. This is largely due to the robust front-end parts. The gun comes set up for .035" to .045" wire, covering the most common industrial wire sizes. The nozzle and contact tip design ensures excellent gas coverage, reducing porosity and spatter, while the heavy-duty diffuser stands up to the intense heat of 400-amp welding.
Whether you are replacing a worn-out gun or upgrading for better performance, the Tweco 1040-1138 offers a blend of durability, comfort, and precision that helps you lay down better beads with less downtime.
| Additional Information |
|---|
| Brand:Tweco |
| Amperage:400 |
| Length:15 ft |
| Back End:Miller |
| Wire Size:0.035" - 0.045" |
| Front End:Tweco |
| Torch Type:MIG Gun |
| Amperage Rating:400 A |
| Cable Length:15 ft (5m) |
| Connection Type:Miller |
| Cooling Method:Air Cooled |
| Duty Cycle:60% @ 400A |
| Wire Diameter Range:0.035" - 0.045" |
| Packaging Description:pack of 1 |
