Lincoln Electric Flextec 650X Multiprocess Welder, Flex Feed 84 One-Pak, 815A
The Lincoln Electric Flextec 650X multiprocess welder delivers up to 815 A, and this CrossLinc / Flex Feed 84 One-Pak pairs it with the Flex Feed 84 wire feeder for heavy-duty shop work. The 650X runs on 380/460/575 V three-phase input and suits thick material and large-diameter wire in structural fabrication, shipbuilding and pipeline work.
The Flex Feed 84 displays parameters on digital meters and stores user weld schedules for quick recall. Its four-drive-roll system feeds solid wire up to 1/16 in. (1.6 mm) and cored wire up to 5/64 in. (2 mm), and the feeder is rated for up to 600 A. CrossLinc lets procedures be adjusted at the feeder without control cables, which means fewer trips back to the power source and less clutter around the work area.
The power source handles stick (SMAW), TIG (GTAW), MIG (GMAW), flux-cored and submerged arc welding plus gouging. True Voltage Technology (TVT) offsets the voltage lost over long cable runs, one-knob process selection and fast arc response keep operation simple, and the IP23 enclosure with a Desert Duty rating up to 131°F (55°C) handles harsh outdoor sites.
Highlights
Flextec 650X power source with Flex Feed 84 feeder in a One-Pak
Up to 815 A output for thick material and large-diameter wire
Three-phase input of 380/460/575 V
Flex Feed 84: digital meters, weld schedule memory, four-drive-roll system
CrossLinc procedure setting at the feeder, with no control cables
IP23 rated; Desert Duty rated up to 131°F (55°C)
Specifications
Brand | Lincoln Electric |
Manufacturer part number | K3514-1 |
Power source | Flextec 650X |
Wire feeder | Flex Feed 84 |
Maximum output | Up to 815 A |
Input power | Three-phase, 380/460/575 V |
Processes | Stick, TIG, MIG, flux-cored, submerged arc, gouging |
Solid wire (feeder) | Up to 1/16 in. (1.6 mm) |
Cored wire (feeder) | Up to 5/64 in. (2 mm) |
Feeder rated output | 600 A |
Feeder features | Digital meters, user weld schedule memory |
Remote control | CrossLinc, no control cables |
Voltage compensation | True Voltage Technology (TVT) |
Enclosure rating | IP23 |
Desert Duty | Up to 131°F (55°C) |
What's in the box
Flextec 650X power source
Flex Feed 84 wire feeder
Good to know
Check the input power (voltage, phase and amperage) against your supply before you order.

