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LF72, LF74 Industrial Wire Feeders

LF72, LF74 Industrial Wire Feeders

Top Features

  • LF72 2-Roll and LF74 4-Roll Models Available
  • Wire Size Range - Solid Wire .023 - 1/16", Cored Wire .030 - 5/64"
  • MAXTRAC Heavy-Duty Cast Aluminum Wire Drive System
  • Processes: MIG (GMAW), Pulsed MIG, Wirefeeders, Flux-Cored (FCAW)

Designed for MIG and cored wire welding in job shop and manufacturing environments, the rugged LF-72 and LF-74 wire feeders are built to deliver reliable performance day after day.

Product Details


2-Roll Model
Wire Feed Speed: 50 - 800 IPM
Drive-Roll System: 2-roll
Input Power: 24 - 42 VAC, 9 A, 50/60 Hz
Output Capacity: 500 A @ 60% duty cycle, 400 A @ 100% duty cycle



Pulsed MIG


Flux-Cored (FCAW)

Additional Features

At the heart of these feeders is the highly engineered 2-roll or 4-roll MAXTRAC wire-drive system for strong and consistent feeding force for stainless steel, aluminum and flux-cored wires. Select 2-roll version for most .035 - .045" wire applications and the 4-roll version for large diameter wires, longer gun cables and up to 600 amps @ 60% duty-cycle requirements. Operates on 24 or 42 VAC. 115/42 VAC transformer available for 115 VAC power sources. Specify wire size and type for correct drive roll selection.


  • Patented MAXTRAC™ heavy-duty cast aluminum wire drive system provides reliable feeding and durability
  • Brass-to-brass gun connections for better electrical conductivity that results in better arc performance
  • Totally tool-less drive rolls and wire guide installation. Two or four gear-driven wire drive rolls slide on and off easily
  • Calibrated wire feed speed dial for precise and accurate settings
  • Rugged, industrial-grade wire feeder motor
  • In addition to great mild steel performance, these feeders deliver positive arc starting and feeding with stainless steel, aluminum and flux-cored wires
  • Control cable connector with a Spin-Nut™ makes connecting the control cable a simple twist-of-the-wrist
  • Totally enclosed wire drive
  • Manufactured under a quality system certified ISO 9001 requirements and ISO 14001 environmental standards
  • Three-year warranty on parts and labor

Options, Accessories and Related Equipment

Postflow and burnback timer kit
Remote voltage-control kit
Non-Lincoln power source adapter
Gas regulator and hose
Lift bale
Spool adapters and accessories

Required Accessories
Gas-shielded or self-shielded welding gun
Drive-roll kit
Wire-reel stand
14-pin control cable
Weld power cable
Welding power source

Shielding gas, welding wire and other consumables sold separately

Related Equipment

LF72, LF74 Industrial Wire Feeders

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Airgas, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading supplier of ammonia products and process chemicals.