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The Lincoln Electric Magnum PRO AL G450W (K3422-2) is a premium air-cooled push-pull welding gun designed specifically to address the challenges of feeding aluminum wire. In industrial fabrication, soft aluminum wires are prone to buckling, friction, and shaving when pushed through standard MIG torches. The Magnum PRO AL series integrates superior push-pull technology that synchronizes the wire feed at both the feeder and the gun, significantly reducing friction in the liner and ensuring a smooth, consistent arc.
This model is rated for 450 amps at a 60% duty cycle, making it suitable for heavy-duty manufacturing environments. It comes equipped with a 25-foot (7.6 meter) cable assembly and a 12-pin connector, providing ample reach for large weldments such as trailers, boat hulls, and signage. A key engineering feature is the patented EZ-Lock system, which allows the operator to rotate the barrel 360 degrees or change it out entirely without specialized tools, adapting easily to difficult-to-reach joints.
Maintenance and uptime are critical in production settings. The G450W utilizes standard Magnum PRO consumables, specifically the 550A series, which are designed to withstand high heat and prolong contact tip life. The Quick-Change Liner system further enhances efficiency by allowing liner replacement with the simple removal of a set screw. The gun also features a recessed adjustment dial at the base of the handle, protecting wire feed speed settings from accidental adjustments during operation.
Key Technical Specifications:
| Additional Information |
|---|
| Packaging Description:1 Per Ea |
| Amps:450 |
| Cable Length:25 ft |
| Duty Cycle:60 |
| Wire Size Range:0.035 in - 1/16 in |
| Cooling Method:Air Cooled |
| Torch Type:Push-Pull MIG Gun |
| Amperage Rating:450 A |
| Wire Diameter Range:0.035 in (0.9 mm), 1/16 in (1.6 mm) |
| Connection Type:12-Pin |
| Compatible Materials:Aluminum |
