Miller Big Blue® 400 Pro (Kubota) Engine Driven Generator/Welder # 907732
The Miller Big Blue 400 Pro with Kubota V1505 engine is a low speed, EPA compliant compact diesel welder that is ideal for construction, piping and fleet use. It packs up to 400 amps of welding output at 100% duty cycle and provides 12,000 peak watts of auxiliary power. It is capable of carbon arc gouging using up to 1/4″ diameter carbons. When paired with the appropriate wire feeder, it can perform MIG, and flux-cored welding operations.
The Big Blue 400 Pro industrial diesel engine driven welder outperforms competitive machines and comes with the best service and parts support where it matters most, in the harshest real world conditions.
Features
Heavy-Duty Low-Speed Kubota V1505 Industrial Diesel Engine
Dynamic DIG™
Quiet Operation
Digital Meters with SunVision™
Industrial USB Port
Auto Remote Sense™ (ARS)
Simple-to-Set Controls
HD Powder Coat
Advanced Features for the Professional Welder
- Adaptive Hot Start™ makes starting stick electrodes easy without creating an inclusion.
- Infinite arc control available in the Stick and Wire modes for easier fine tuning of tough-to-weld materials and out-of-position applications.
- Lift-Arc™ TIG provides arc starting that minimizes the risk of electrode/work contamination without the need for high frequency.
Low OCV Stick (VRD)
Other Standard Features


Miller Big Blue 400 Pro ( Machine only)
PROCESSES
Title | Big Blue® 400 Pro (Kubota) |
---|---|
Industries Interests | Construction Fabrication Infrastructure Maintenance and Repair – Field Operations Mechanical Contracting Pipe Fabrication / Construction Work / Service Trucks |
Cold Weather Starting Aids | Engine Block Heater Glow Plugs |
Engine Brand | Kubota |
Engine Compliance | T4F |
Engine Idle Speed | 1500 RPM |
Engine Weld Speed | 1800 RPM |
Fuel Tank Size | 11.5 Gallons |
Fuel Type | Diesel |
Horsepower | 20.2 hp |
Weldable Metals | Steel Stainless Steel |
Rated Output | 400 A at 24 V, 100% Duty Cycle 350 A at 27 V, 100% Duty Cycle 300 A at 32 V, 100% Duty Cycle |
Single Phase Generator Continuous Power | 10000 W |
Single Phase Generator Peak Power | 12000 W |
Sound Rating | Idle: 66 dB, Weld: 71.6 dB dB |
Rated Carbon Diameter | 3/16 in (4.8 mm) |
Current Type | DC |
Max Open Circuit Voltage | 85 VDC |
Amperage Range | 20 – 400 |
Portability | Lift Eye (Standard) Trailer (Optional) |
Weld Output | CC |
Net Width | 26.25 in |
Net Height | 32 in |
Net Length | 56 in |
Net Weight | 950 lbs |
Warranty | 3 Years Engine Warranties |
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