Lincoln Electric Flextec 500X Multiprocess Welder, Aluminum One-Pak, Push-Pull
The Lincoln Electric Flextec 500X multiprocess welder Aluminum One-Pak is set up for aluminum MIG welding, pairing the 500 A power source with a Power Feed 25M push-pull wire feeder and a Magnum PRO Aluminum rear trigger gun. The power source also covers stick, flux-cored, TIG and arc gouging, with basic pulse MIG, CrossLinc control and an IP23 rating for shipyards, construction sites and fabrication shops.
The Power Feed 25M advanced feeder combines a MAXTRAC drive system with full controls and procedural memory presets, and its push-pull function keeps aluminum wire feeding uniformly. Its fully enclosed housing shields the wire from humidity and contamination and gives access to specialized aluminum pulse modes. A 2-roll drive with wire guides for 3/64 in. and 1/16 in. aluminum wire, a Harris aluminum flowmeter/regulator and the necessary cables complete the package under one part number.
Basic pulse MIG (GMAW) on the Flextec 500X includes weld modes for aluminum, stainless steel, carbon steel and metal-cored wire, and the machine also handles stick (SMAW), TIG (GTAW) and gouging. CrossLinc passes voltage or current control through the standard weld cable, so settings can be changed at the arc while the power source stays hundreds of feet away, and the IP23 enclosure is rated for outdoor work.
Highlights
Power Feed 25M push-pull feeder with MAXTRAC drive and memory presets
Magnum PRO Aluminum rear trigger gun included
Enclosed feeder protects aluminum wire and opens specialized aluminum pulse modes
Wire guides and a 2-roll drive sized for 3/64 in. and 1/16 in. aluminum wire
Up to 500 A output with CrossLinc control and no control cable
Harris aluminum flowmeter/regulator and cables included
Specifications
Brand | Lincoln Electric |
Manufacturer part number | K3612-9 |
Power source | Flextec 500X |
Wire feeder | Power Feed 25M advanced wire feeder (push-pull) |
Wire drive | MAXTRAC |
Gun | Magnum PRO Aluminum rear trigger gun |
Aluminum wire sizes | 3/64 in. and 1/16 in. (2-roll drive and wire guides) |
Regulator | Harris aluminum flowmeter/regulator |
Maximum output | Up to 500 A |
Processes | Stick, MIG, flux-cored, TIG, arc gouging; basic pulse MIG |
Remote control | CrossLinc |
Enclosure rating | IP23 |
What's in the box
Flextec 500X power source
Power Feed 25M advanced wire feeder
Magnum PRO Aluminum rear trigger welding gun
2-roll drive and wire guides for 3/64 in. and 1/16 in. aluminum wire
Harris aluminum flowmeter/regulator
Necessary cables
Good to know
Check the input power (voltage, phase and amperage) against your supply before you order.

