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Miller Trailblazer® 330 (Kohler) Engine Driven Welder Generator Base Model - 907831


Introducing the Miller Electric Trailblazer® 330 Engine-Driven Welder — your ultimate welding companion for superior arc performance and unmatched versatility. Engineered with precision, this compact powerhouse boasts advanced Auto-Speed™ technology, adjusting engine speed to match welding demands for optimal fuel efficiency and reduced noise levels. With its intuitive design, easy maintenance, and exceptional arc quality, the Trailblazer® 330 ensures smooth starts, minimal spatter, and maximum productivity on any jobsite. Elevate your welding experience with the Trailblazer® 330 — where reliability meets innovation, making every weld a masterpiece.


Miller Trailblazer® 330 (Kohler)  – 907831



Welcome to the next level of welding excellence with the Miller Trailblazer 330 Gas Engine-Driven Welder by Miller Electric Mfg. LLC. This powerful welder sets new standards in arc performance, mobility, and efficiency, making it the ideal choice for industrial applications ranging from fabrication to structural steel work.

Unbeatable Arc Performance: Experience the smoothest, most stable arc in the industry with the Miller Trailblazer 330 Gas Engine-Driven Welder. Whether you’re engaged in Stick (SMAW), MIG (GMAW), Flux-cored (FCAW), DC TIG (GTAW), or air carbon arc (CAC-A) welding, this welder ensures exceptional results with easy arc starts and minimal spatter.

Versatile Power Output: With an output range that spans from 20 to 330 amps for DC Stick welding, 15 to 40 volts for MIG/flux-cored welding, and 12,000 watts peak with 10,500 watts continuous auxiliary power output, the Miller Trailblazer 330 Gas Engine-Driven Welder is ready to handle a wide range of welding tasks. Rated for 3/16-inch carbons and capable of 1/4-inch carbons, it offers unparalleled versatility.

Advanced Technologies for Enhanced Efficiency: The Miller Trailblazer 330 Gas Engine-Driven Welder incorporates exclusive technologies such as Auto-Speed™ and Excel™ Power, which deliver superior runtimes, increased fuel efficiency, and improved welder performance. Enjoy reduced fuel consumption, lower noise levels, and extended welding times for a more productive and profitable job site.

User-Friendly Interface and Maintenance: Featuring a digital interface for easy machine setup and parameter control, the Miller Trailblazer 330 Gas Engine-Driven Welder ensures hassle-free operation for users of all skill levels. Its intuitive design simplifies daily maintenance, with front panel displays providing clear indications for servicing requirements.

Enhanced Mobility and Compact Design: Weighing over 80 pounds lighter and 13 percent smaller than its predecessor, the Miller Trailblazer 330 Gas Engine-Driven Welder offers improved mobility and takes up less space on trucks and trailers. Its small footprint leaves more room for other equipment and tools, while its robust construction ensures durability in any work environment.

Optional Features for Increased Efficiency: Choose from optional features such as Electronic Fuel Injection (EFI), Excel™ Power, Battery Charge/Crank Assist, and Wireless Interface Control to further enhance productivity and convenience on the job site. These features provide faster starts, improved fuel efficiency, and remote control capabilities for maximum efficiency.

Warranty and Support: Backed by a three-year warranty on parts and labor, the Miller Trailblazer 330 Gas Engine-Driven Welder ensures reliability and peace of mind for your welding projects. Engine warranties are separately provided by the engine manufacturer, ensuring comprehensive coverage for your investment.

Elevate your welding capabilities with the Miller Trailblazer 330 Gas Engine-Driven Welder — the ultimate solution for industrial welding applications. Experience superior arc performance, unmatched efficiency, and exceptional reliability with Miller Electric Mfg. LLC.

For a limited time, get a free Spoolmatatic 30A ( a $1990 retail value) with the purchase of any Trailblazer 300 Gas driven model. Must submit rebate within 30 days of purchase. Offer valid until 3/31/24. 

Spec Sheet (English)


  • Air Carbon Arc Cutting and Gouging (CAC-A)
  • Flux Cored (FCAW)
  • MIG (GMAW)
  • Pulsed TIG (GTAW-P)
  • Stick (SMAW)


  • Title: Trailblazer® 330 (Kohler)
  • Industries Interests: Construction and Fabrication, Heavy Equipment
  • Amperage: 20 A – 330 A
  • Weldable Metals: Aluminum, Stainless Steel, Steel
  • Rated Carbon Diameter: 1/4 in (6.4 mm)
  • Current Type: DC
  • Max Open Circuit Voltage: 107 VDC
  • Portability:
    • Lift Eye (Standard)
    • Running Gear / Cart (Optional)
    • Trailer (Optional)
  • Engine Brand: Kohler
  • Engine Idle Speed: 2400 RPM
  • Engine Weld Speed: Advanced Auto-Speed(TM) technology: Varies engine speed from 2,400-3,600 rpm to match weld output
  • Fuel Tank Size: 11



  • Fuel Type: Gasoline
  • Horsepower: 23.5 hp
  • Weld Output: CC / CV
  • Rated Output:
    • CC/DC Stick/TIG 330 A at 30 V, 100% duty cycle
    • CV/DC MIG/FCAW 325 A at 30.25 V, 100% duty cycle
  • Single Phase Auxiliary Continuous Power: 10500 W
  • Single Phase Auxiliary Peak Power: 12000 W
  • Sound Rating: 65 dB @ idle and 73.5 dB @ max weld
  • Applications: Aluminum Welding, Fabrication, Mobile Fabrication & MRO, Structural Welding
  • Warranty: 3 Years, Miller’s True Blue Warranty

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