Miller Big Blue 400 Eco Pro Engine Driven Welder w/ Meters and Blk Htr - 907426001

A rugged, compact, fuel-efficient diesel welder/generator that’s Eco-friendly and Eco-nomical.

An Eco-nomical and Eco-friendly alternative.
Designed to be up to 25% more fuel-efficient during typical welding operations than other models. Output of the engine matches the power required, saving operating cost and the environment. The fuel savings really add up when running day-after-day, while producing fewer carbon emissions. Runs clean, satisfies tough EPA Tier 4i compliance requirements. Minimize your impact on the environment while you increase your savings.

Compact package. The Big Blue 400 Eco Pro is up to 44% smaller and 41% lighter than other models —taking less room and reducing transportation costs.

Quiet operation. In weld mode with 71.5 dBa at 7 meters, it’s up to 10 dBa quieter than competitive models, improving work site communication and safety.

Thermal overload protection prevents machine damage if the duty cycle is exceeded or airflow is blocked.  Used in industrial applications around the world, the S4L2 is designed to run 10,000 hours before major overhaul and reduces maintenance costs.

Superior arc performance

• Factory-preset DIG settings (Stick)
• Hot Start™ (Stick)
• Lift-Arc™ TIG with Auto-Stop™ and Crater-out

Simple operation. Operator-friendly control panel is simplified with colorcoded terminals to get you connected quickly and correctly.

Meter maintenance displays.
• Hour meter function
• Oil change interval
• High coolant temperature and low oil pressure shutdowns
• Low fuel shutdown—engine shuts down before system runs out of fuel, making restarts easy.

High efficiency: 3-phase, rotating-field welding generator requires less fuel and horsepower to operate.

Process

Specifications

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