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Miller XMT 450 Multi-Process

Miller XMT 450 CC CV multi-process welding machine

Top Features

  • DC CC CV
  • Adaptive Hot Start
  • Infinite Arc Control
  • Processes: Stick (SMAW), TIG (GTAW), MIG (GMAW), Air Carbon Arc Cutting, Flux-Cored (FCAW)

Portability and excellent arc performance make the XMT family of welders the most popular in the industry. With multi-process capabilities and more welding output, the XMT 450 is versatile for applications from jobsites to the factory floor.

Product Details


Product Number: 907481
Input Power: Three phase
Voltage Range in CV Mode: 10 - 38 V
Amperage Range in CC Mode: 15 - 600 A
Rated Output: 450 A at 38 VDC, 100% duty cycle
Amps Input at Rated Output, 60 Hz:
230V 400V 460V 575V kVA kW
51   32.1   27.6   24.4   22   18.9  
Max. Open-Circuit Voltage: 90 VDC
Dimensions: H: 17.25" (438 mm) x W: 14.5" (368 mm) x D: 27.125" (689 mm)
Net Weight: 122 lb (55.3 kg)


Stick (SMAW)



Air Carbon Arc Cutting
Rated: 5/16-inch carbons
Capable: 3/8-inch carbons
Flux-Cored (FCAW)

Additional Features

Industrial Applications Include: Construction, Shipbuilding, Railroad, Truck and Trailer manufacturing, Fabrication, Repair shops, Power generation plants, Plant maintenance

Options, Accessories and Related Equipment

Miller XMT 450 Multi-Process

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Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding and safety products. Known locally nationwide, our distribution network serves more than one million customers of all sizes with a broad offering of top-quality products and unmatched expertise.