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Big Blue® 400X Pro S

The professional welder’s choice — designed with the professional in mind, the Big Blue 400X Pro is the best for ease of use, reliability and fuel economy.

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Tailored arc control (DIG) allows arc characteristics to be changed for specific applications and electrodes. Smooth running 7018 or stiffer, more penetrating 6010.

Industrial USB port. Quickly up load the latest software and download machine log files to retrieve in-depth information such as diagnostics and machine statistics.

10,000 watts of pure generator power. Plug in an extra Miller® inverter-based power source for an additional welding arc! Quiet operation. Only 71.6 decibels (96 Lwa) under full load. Improves jobsite communication and safety.

Standard features include digital meters with SunVision,™ automatic idle, adjustable Hot Start,™ output contactor control and 120-volt block heater.

Brand

Miller

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