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Miller 74 MPa Plus Wire Feeder

Miller S-74 MPa PlusMiller S-74 MPa Plus

Top Features

  • Heavy Industrial Applications
  • Wire Speed: 50 –780 IPM
  • Trigger Hold, Automatic Run-In and Tool-Less Rotatable Drive
  • Single and Dual Wire Versions Available
  • Processes: MIG (GMAW), Pulsed MIG, Flux-Cored (FCAW)

Suited for heavy industrial applications including heavy manufacturing, metal fabrication, construction and light manufacturing. Single and dual wire versions of the 74S (standard, basic design) and the 74D (digital meters) are available.

Product Details


Input Power: 24 VAC, 10 A, 50/60 Hz
Wire Feed Speed: 50 - 780 IPM
Wire Diameters: .023" - 5/64"
.035" - 1/16" Aluminum
Dimensions (Single Feeder): H: 14" (356 mm) W: 12.5" (318 mm) L: 28" (711 mm)
Weight (Single Feeder): 58 lb (26 kg)
Dimensions (Dual Feeder): H: 14" (356 mm) W: 21" (533 mm) L: 35" (889 mm)
Weight (Dual Feeder): 87 lb (39.5 kg)



Pulsed MIG

Flux-Cored (FCAW)

Additional Features


  • Alumination technology gives you the ability to use the extended reach of a push-pull system for consistent, versatile and dependable aluminum wire feeding. Alumination gives you the versatility to handle whatever aluminum welding job you want to tackle.
  • Synergic pulsed MIG operation with MPa power supplies. Provides communication between the power source, feeder and gun. As wire speed increases/decreases, the pulse parameters also increase/decrease to match the right amount of power needed.
  • Trigger schedule select allows the operator to select the alternative schedule by quickly tapping the gun trigger when not welding. When optimized with MPa power sources the operator can also switch from MIG to pulsed MIG.
  • Profile Pulse provides TIG appearance with MIG simplicity and productivity. Achieve "stacked dime" weld bead appearance without back-stepping. Profile Pulse frequency can be changed to increase or decrease the spacing between the ripple pattern to achieve the desired weld appearance.
  • Accu-Mate properly seats the power pin for best feeding performance and prevents Accu-Mate grooved MIG guns from sliding in the casting.
  • Trigger receptacle oriented in a downward position to reduce potential damage
  • Trigger hold reduces operator fatigue by allowing the operator to make long welds without having to energize the trigger continuously
  • Automatic run-in control significantly improves arc starting performance
  • 24 VDC high-torque, permanent-magnet motor
  • Quick-change drive rolls
  • Quick-release, calibrated drive-roll pressure adjustment arm allows drive roll change without losing spring preload setting
  • Four sealed ball bearing all-gear-driven drive-roll carriers for smooth, positive and accurate wire feed with long uninterrupted service life
  • Easy loading and threading of welding wire without having to release the drive-roll pressure arm
  • Solid-state speed control and brake circuit eliminates the need for electrical/ mechanical relays and increases service life
  • Uses Miller standard 1-5/8 in (41 mm) diameter drive rolls
  • Quick-connect for all Miller guns
  • Covered drive rolls—easy access, heavy-duty, molded composite cover over drive assembly
  • Floating positive drive systems provide trouble-free feeding on a variety of wires

Options, Accessories and Related Equipment

Related Equipment
Miller XMT 350 MPa
Miller XMT 450 MPa

Miller 74 MPa Plus Wire Feeder

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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.