Big Blue® 400 Eco Pro
A rugged, compact, fuel-efficient diesel welder/generator that’s Eco-friendly and Eco-nomical.
List Price (US$)
Power Source Output Range
Generator Rated Output at 40° C (104° F)
Product Literature (PDF)
Tier 4 Final Compliance
An Eco-nomical and Eco-friendly
See How Fuel Savings Add Up - Miller's innovative dual-speed technology lowers fuel costs up to 25%. Plug your numbers into our online calculator to produce a customized fuel savings analysis.
Compact package. The Big Blue
Quiet operation. In weld mode with
Thermal overload protection prevents machine damage if the duty cycle is exceeded or airflow is blocked.
Mitsubishi S4L2 diesel engine.
Superior arc performance
Simple operation. Operator-friendly
Meter maintenance displays.
High efficiency: 3-phase, rotating-field
Compatible with the Wireless Remote Hand Control. Improve productivity, eliminate clutter and cord tangles in the work area. Eliminate cord failure and associated downtime/repair costs and extend the operator's welding range without adding cord extensions.