Miller Trailblazer 325 with ArcReach NEW

For productive, profitable, quieter job sites

MR907799 (Kubota Diesel Engine), MR907797 (Kohler Petrol Engine), MR907798 (EFI Kohler Petrol Engine)

Trailblazer welder/generators deliver unbeatable arc performance providing the smoothest, most stable arc in the industry.

Exclusive Auto-Speed™ technology.

Delivers superior run times.

Improved performance and less noise.

Spend more time welding, less time walking with ArcReach technology.

Where to Buy

Product Overview


  • Fabrication
  • Maintenance
  • Repair
  • Structural Steel Work
  • Sheet Metal
  • Pipe

What's In The Box

  • Trailblazer 325 Power Source compatible with ArcReach


For details, refer to the Miller warranty statement.

Unbeatable Arc Performance

Wide amperage output with better welding deposition rates means you can get jobs done faster, saving time and money. The Trailblazer also has precise arc control, which allows you to finetune the arc to match your personal preferences and quickly dial in the perfect parameters to optimise weld quality and maximize productivity across a variety of applications and welding processes.

Fewer Refueling Trips

No other engine driven welder/ generator in the 300 amp class lets your crews spend more time working and less time refuelling — because only Trailblazer welder/generators provide Auto-Speed™ technology to deliver maximum runtime.

Genuine Power

Trailblazer welder/generators offer 10,500 watts of clean, truly usable generator power that is Accu-Rated™, not inflated: tested to deliver uninterrupted peak output of 12,000 watts for a minimumof 30 seconds for big loads,so you can get more jobs done. An independent welder and generator power system ensures no interaction between job-site tools and the welding arc, while advanced generator technology virtually eliminates power spikes and other electrical imperfections - so welds are cleaner and job-site tools can run without interruption, maximizing quality, productivity and profit.

Auto-Speed™ Technology

Matches engine speed to load - a Miller exclusive. Get the welding power you need plus reduced fuel consumption and lower noise levels for a more-profitable, safer job-site. Unlike competitive machines that operate at 3,600 rpm (max) under any load, Miller exclusive Auto-Speed technology responds to weld requirements by automatically adjusting engine speed to one of four rpm levels so the engine never works harder than necessary. Refuelling time and operating costs are reduced, which means more productivity and profitability. Plus everyone on the job-site gets a better working environment because noise levels and exhaust emissions are lowered.

Maximum Cost Savings

Less money spent on fuel means more profit for you. Every Trailblazer welder/generator has fuel-saving Auto-Speed™ technology. Enjoy a combination of advanced, profit-enhancing features that are only available on a Trailblazer welder/generator.

Dynamic DIG™ Technology

Ultra-adaptive arc control. Unlike conventional DIG that provides a preset amount of short-clearing current, Miller-exclusive Dynamic DIG technology works on a time-based algorithm that automatically adjusts the amount of current required to clear a short. Delivers a smoother more consistent arc that can be tailored to match application, material, fit-up and welder technique.


Trailblazer welder/generators use up to 24% less cubic space and weigh up to 10 percent less than other welder/generators in their class — which means moving them is faster and easier, for maximum productivity. And because they take up less space, Trailblazer welder/generators let work trucks carry more equipment and gear — so your work crews can be ready for anything.

Auxiliary Power*

  • 2 x 15 Amp Sockets.
  • 1 x 32 A.
  • RCD protected.

*Generator auxiliary power is 60Hz, and intended for operating equipment associated with welding, such as angle grinders, drills and floodlights. Some New Zealand 50Hz equipment incorporating induction motors, such as pumps, fans, air compressors, refrigeration or air-conditioners, may not operate correctly and could be damaged. Refer to appliance supplier or manufacturer to confirm suitability.


  • MIG
  • Stick
  • TIG
  • Gouging
  • 1 Phase
  • Rated Output
    325 A at 33 V, 100% Duty Cycle
    325 A at 33 V, 100% Duty Cycle
  • Generator Continuous Power
    10,500 watts
  • Generator Peak Power
    12,000 watts
  • Current Type
  • Amperage Range
    CV/DC (Stick/TIG) 10 - 325 A
    CV/DC (MIG/FCAW) 10 - 32 V
  • Weld Output
    CC / CV
  • Dimensions (mm)
    H: 711
    H: 873 (to top of exhaust)
    W: 508
    D: 1153
  • Weight (without fuel)

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