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Miller Electric has introduced the Big Blue 300 Pro CC/CV engine-driven welder generator.

With 12kW of generator power and a 20 to 410A welding output, the Big Blue 300 Pro is said to provide superior arc performance and stability, along with durability for reliable operation in demanding conditions.

Suitable for pipe and construction contractors, as well as MRO and fabrication professionals, the Big Blue Pro 300 is available with CAT, Deutz or Perkins diesel engines for 1,800rev/min operation, fuel efficiency and 71dBa sound levels at maximum output.

As with all Big Blue models, the Big Blue Pro 300’s circuit board is protected by Miller’s Vault, a hermetically sealed aluminum case that is impenetrable to dust, salt and moisture.

To ensure performance and reliability in high-heat applications, Miller rates its engine drives at 104F.

Said to give excellent arc performance in all processes (TIG, Stick, MIG, flux cored and carbon arc gouging), the Big Blue 300 Pro features improved arc starts and stability over the Pro 300.

It provides tailored arc control (DIG), which allows the operator to change arc characteristics for specific applications and electrodes, such as 7018 and 6010.

Weighing 1,100lb with CAT or Perkins engines and 1,208lb with a Deutz engine, the Big Blue 300 Pro’s 32 x 26.25 x 56in size allows it to fit sideways in a standard pickup truck’s bed, leaving extra room for tools and supplies.

It features a low fuel shutdown that will shut down the engine before it runs out of fuel, making restarting easy and eliminating the need to re-prime the engine.

High-temperature and low oil pressure shutdowns protect the engine, while hour- and oil- change-interval meters make it easier to track maintenance requirements.

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