Miller
Big Blue 400 Pro (Kubota)
11.5 gal
Fuel capacity
12.5 kVA
Power output
Equivalent across brands
Compare side by side →Comparable machines from other manufacturers, scored on normalised, manufacturer-sourced specs.
| Model | Match | Fuel capacity | Power output |
|---|---|---|---|
| Echo DGW400DML | 76% | 11.4 gal | 23.6 kVA |
Full specifications
| Amperage | 20 A - 400 A | ↗ |
| Applications | Fabrication Mobile Fabrication & MRO Process Pipe Structural Welding | ↗ |
| Cold Weather Starting Aids | Engine Block Heater Glow Plugs | ↗ |
| Compressed Air | no | ↗ |
| Current Type | DC | ↗ |
| Engine Brand | Kubota® | ↗ |
| Engine Compliance | T4F | ↗ |
| Engine Idle Speed | 1500 RPM | ↗ |
| Engine Weld Speed | 1800 RPM | ↗ |
| Fuel Tank Size | 11.5 gal. | ↗ |
| Fuel Type | Diesel | ↗ |
| Horsepower | 20.2 hp | ↗ |
| Industries | Construction & Fabrication Pipe | ↗ |
| Max Open Circuit Voltage | 85 VDC | ↗ |
| Net Height | 32 in (81.3 cm) | ↗ |
| Net Length | 56 in (142 cm) | ↗ |
| Net Weight | 950 lbs (431 kg) | ↗ |
| Net Width | 26.2 in (66.7 cm) | ↗ |
| Portability | Lift Eye (Standard) Trailer (Optional) | ↗ |
| Rated Carbon Diameter | 3/16 in (4.8 mm) | ↗ |
| 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 Auxiliary Continuous Power | 10000 W | ↗ |
| Single Phase Auxiliary Peak Power | 12000 W | ↗ |
| Sound Rating | Idle: 66 dB, Weld: 71.6 dB | ↗ |
| Warranty | 3 Years Miller's True Blue Warranty | ↗ |
| Weld Output | CC/CV | ↗ |
| Weldable Metals | Stainless Steel Steel | ↗ |
Every figure is traced to the manufacturer’s published data. ↗ opens the source.
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