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Miller 907161 XMT 350 CC/CV Multiprocess Welder 4 pack - Reconditioned - 907161 4 Pack

Miller 907161 XMT 350 CC/CV Multiprocess Welder 4 pack - Reconditioned - 907161 4 Pack

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Miller 907161 XMT 350 CC/CV Multiprocess Welder 4 pack - Reconditioned - 907161 4 Pack

The Miller XMT 350 CC/CV is a portable 350 amp multi-process welder that is capable of MIG, stick and DC TIG welding. It operates on both three-phase and single-phase input power and features Miller’s Auto-Line, which means you use 208 volt to 575 volt, single or three-phase input power without manual linking. Weighing just 80 pounds, the XMT 350 CC/CV is easy to move around the shop or jobsite and its rugged case design ensures it will stand up to the punishment of extreme work environments. It is ideal for industrial applications. It is able to carbon arc gouge with carbons up to 5/16″ diameter. When paired with a wire feeder or spool gun, the XMT 350 CC/CV makes an excellent MIG and Flux-Cored welder. It’s got built-in Lift-Arc TIG arc starting for smooth DC TIG arc starts without the use of high frequency.

What our Experts Think
  • Industrial multiprocess welding package – This 4-pack of Miller XMT 350 CC/CV welders delivers professional-grade MIG, Stick, TIG, and flux-cored welding capability for fabrication shops and field crews.
  • High-output performance – Each unit provides up to 350 amps of welding power, making it suitable for structural steel, pipe welding, manufacturing, and repair applications.
  • CC/CV versatility – Constant Current and Constant Voltage modes allow operators to switch between processes with maximum flexibility across different welding tasks.
  • Built for demanding environments – Engineered for continuous industrial use with Miller's reputation for reliability, arc stability, and long service life.
  • Portable inverter technology – Compact design offers a strong power-to-weight ratio, making deployment easier than traditional transformer-based welders.
  • Fleet-ready productivity – Four-machine package is ideal for contractors, training facilities, fabrication shops, and multi-operator job sites requiring simultaneous welding stations.
  • Advanced arc performance – Delivers smooth starts, stable arc characteristics, and consistent weld quality across a wide range of materials and thicknesses.
  • Reconditioned value advantage – Factory-refurbished units provide professional Miller welding performance at a significantly lower investment cost, maximizing equipment value and shop capacity.

Q&A

Q: What is the Miller 907161 XMT 350 CC/CV Multiprocess Welder 4 Pack?
A: It is a package of four reconditioned Miller XMT 350 CC/CV industrial multiprocess welders designed for MIG, Stick, DC TIG, Flux-Cored welding, and air carbon arc gouging.

Q: What welding processes does it support?
A: It supports MIG (GMAW), Stick (SMAW), DC TIG (GTAW), Flux-Cored (FCAW), and Air Carbon Arc Gouging (CAC-A).

Q: What is the output capacity?
A: The XMT 350 delivers up to 425 amps with a rated duty cycle of 350A at 60% duty cycle on three-phase power.

Q: What input power does it require?
A: It features Auto-Line technology, allowing operation on 208V–575V, single-phase or three-phase power, without manual linking.

Q: Is the XMT 350 portable?
A: Yes. Each welder weighs approximately 80 lbs., making it highly portable for shop and field applications.

Q: What are the key features?
A: Key features include Auto-Line input voltage flexibility, Lift-Arc TIG starting, dual digital meters, Fan-On-Demand cooling, Wind Tunnel Technology, and a rugged aluminum case.

Q: What industries commonly use the XMT 350?
A: It is widely used in construction, manufacturing, shipbuilding, heavy equipment, railcar fabrication, and industrial maintenance.

Q: What does “CC/CV” mean?
A: CC/CV stands for Constant Current/Constant Voltage, allowing the welder to support multiple welding processes with optimal arc control.

Q: What does “reconditioned” mean?
A: It means each welder has been previously used, inspected, tested, and restored to full operating condition, though cosmetic wear may be present.

Q: Why choose the XMT 350 for industrial welding?
A: It combines high output, multiprocess capability, voltage flexibility, durability, and portability, making it a proven solution for demanding professional welding applications.

Maintenance Tips
  • Inspect power cables, welding leads, and connectors before each use for wear, cracks, or loose connections.
  • Keep cooling vents and internal air passages free of dust and debris to prevent overheating.
  • Clean exterior surfaces regularly with a dry cloth or low-pressure compressed air.
  • Check fans for proper operation and remove buildup that may restrict airflow.
  • Inspect output terminals and grounding connections for corrosion or damage.
  • Verify voltage settings, controls, and displays function correctly before operation.
  • Store units in a clean, dry environment away from moisture, metal dust, and extreme temperatures.
  • Follow recommended service intervals and promptly address unusual noises, overheating, or performance changes to maximize welder lifespan and reliability.