T4F Product Lineup | MillerWelds

Tier 4 Final

T4F Product Lineup


Selecting the right size of welder/generator helps maximize your resource efficiency and reduce your emissions footprint. A careful assessment of your welder/generator's job requirements will help you select equipment with the right output capability — whether it's a machine with 25 horsepower or more that's affected by the new T4F regulations, or an emissions-compliant machine with less than 25 horsepower.

25 Horsepower or more

Big Blue® 800 Duo Pro SF

Upgrade to the SF model and get all of the capability of the Big Blue® 800 Duo Pro in addition to the RMD® & Pulsed MIG processes available through the FieldPro™ Smart Feeder for improved productivity and efficiency in field welding applications.

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Big Blue® 800 Duo Pro Air Pak™

All the capability of the Big Blue® 800 Duo Pro with the added benefit of an Ingersoll Rand screw-type air compressor (60 cfm/100 psi/100% duty cycle) to power most pneumatic tools and handle big gouging jobs with up to 1/2-inch carbons.

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Big Blue® 800 Duo Pro

Ideal for dual-operator applications requiring robust power and a high-quality arc. Up to 800 amps of welding power or 400 amps for each of two weld operators. TIG, MIG, FCAW and Stick capabilities. 28 kW generator output powers most electrical tools.

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Big Blue® 600 Air Pak

For field-based work that requires single-operator power for welding, carbon arc gouging, auxiliary power, or running an air compressor to perform critical repair and maintenance functions, the Big Blue 600 Air Pak is the most reliable, versatile machine available to keep your worksite equipment fully functional and make you more productive throughout the day.

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Big Blue® 600 Pro

This EPA Tier 4 Final 600 amp welder/generator tackles tough jobs that require high-output for welding, gouging and auxiliary power.

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Big Blue® 500 Pro

Ideal for heavy jobs, such as structural steel erection. Up to 500 amps of welding power and 21 kW of generator power. TIG, MIG, FCAW and Stick capabilities; handles gouging jobs with up to 3/8-inch carbons.

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Less than 25 Horsepower

 

Big Blue® 450 Duo CST™

Well suited for construction work, such as process piping. Serves two weld operators with up to 225 amps each or a single operator with up to 280 amps. Handles TIG and Stick welding; generates up to 12 kW of electrical power for jobsite tools.

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Big Blue® 400 Pro

Versatility and power to work on multiple job types with multiple processes, including gouging with up to 1/4-inch carbons. Up to 400 amps of output to handle TIG, MIG, FCAW or Stick welding jobs; 12 kW of generator output to power most tools.

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Big Blue® 350 PipePro®

A rugged, reliable performer for transmission pipeline work, with improved arc performance for consistently high-quality welds. Up to 400 amps of TIG, MIG, FCAW or Stick welding power and up to 12 kW of generator power.

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Big Blue® 350 PipePro® SF

Improve productivity, quality, and safety with complete remote control of advanced RMD® and Pulsed MIG processes through the FieldPro™ Smart Feeder.

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Trailblazer® 325 Diesel

Premium arc performance and multiprocess flexibility in a smaller package that fits in more places. Up to 325 amps of output for MIG and FCAW applications; up to 325 amps for TIG and Stick welding. Generates 12 kW of generator power.

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Bobcat™ 250 Diesel

Our lightest, most portable diesel-powered welder/generator has real-world power to get the job done, with versatile AC and DC TIG plus MIG, FCAW and Stick capabilities. Up to 275 amps of welding output and 11 kW of generator power.

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