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The Lincoln Electric K3420-3 Magnum PRO AL G225A Welding Gun is a premier solution designed specifically to tackle the unique challenges of aluminum MIG welding. Aluminum wire is notoriously soft and difficult to feed over long distances, often resulting in friction, buckling, and the dreaded "bird-nesting" at the feeder. The Magnum PRO AL series integrates superior push-pull wire feeding technology that mechanically assists the wire at the gun end, ensuring a smooth, consistent feed path. This 35-foot assembly provides exceptional reach, allowing welders to work on large fabrication projects, such as trailers, boats, and signage, without moving the power source constantly.
Operator comfort is paramount in industrial environments. The G225A features a lightweight, ergonomic handle where weight is equally balanced between the front and back. This design minimizes wrist strain and improves control during precision welding. A recessed adjustment dial is conveniently located on the bottom of the handle, allowing for wire speed adjustments at the point of weld without the risk of accidental changes during operation. Additionally, the flip-up drive roll cover located at the thumb rest provides immediate access to the wire drive mechanism for quick checks or adjustments.
One of the standout features of this gun is its utilization of Magnum PRO consumables. These industrial-grade expendables are designed for high-amperage applications and extended service life. By standardizing on Magnum PRO contact tips and nozzles, shops can reduce inventory complexity and downtime. The gun also features the patented EZ-Lock system, which allows users to change or rotate the barrel 360 degrees to access hard-to-reach joints comfortably. Maintenance is further simplified with a quick-change liner that requires only the removal of a set screw to replace.
Rated at 225 Amps at a 60% duty cycle, this air-cooled gun is robust enough for sustained industrial use. It handles aluminum wire diameters ranging from 0.035 inch to 1/16 inch (0.9 - 1.6 mm). The 12-pin connection ensures seamless integration with compatible Lincoln Electric wire feeders and power sources. Whether you are performing pulsed MIG or standard CV MIG welding on aluminum, the K3420-3 delivers the consistency and reliability professional fabricators demand.
| Additional Information |
|---|
| Packaging Description:1 Per Ea |
| Duty Cycle:60 |
| Amperage Rating:225 A |
| Cable Length:35 ft |
| Wire Diameter Capacity:0.035 in, 1/16 in |
| Cooling Method:Air Cooled |
| Process:MIG, Pulsed MIG |
| Connection Type:12-Pin |
