Miller
Big Blue 450 Duo CST
10.0 gal
Fuel capacity
11.1 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 | 67% | 11.4 gal | 23.6 kVA |
Full specifications
| Amperage | 5 A - 450 A | ↗ |
| Applications | Fabrication Mobile Fabrication & MRO Process Pipe Structural Welding | ↗ |
| Cold Weather Starting Aids | Glow Plugs | ↗ |
| Compressed Air | no | ↗ |
| Current Type | DC | ↗ |
| Engine Brand | Mitsubishi® | ↗ |
| Engine Compliance | T4F | ↗ |
| Engine Idle Speed | 1800 RPM | ↗ |
| Engine Weld Speed | 1800 RPM | ↗ |
| Fuel Tank Size | 10 gal. (37.8 L) | ↗ |
| Fuel Type | Diesel | ↗ |
| Horsepower | 24.7 hp | ↗ |
| Industries | Construction & Fabrication Pipe | ↗ |
| Max Open Circuit Voltage | 77 VDC | ↗ |
| Net Height | 34 in (86.4 cm) | ↗ |
| Net Length | 28 in (71.1 cm) | ↗ |
| Net Weight | 1,064 lbs (483 kg) | ↗ |
| Net Width | 58 in (147 cm) | ↗ |
| Portability | Lift Eye (Standard) Trailer (Optional) | ↗ |
| Rated Carbon Diameter | 3/16 in (4.8 mm) | ↗ |
| Rated Output | Separate (Dual Outputs) 175 A at 27 V, 100% duty cycle,Paralleled (Single Output) 350 A at 27 V, 100% duty cycle | ↗ |
| Single Phase Auxiliary Continuous Power | 8900 W | ↗ |
| Single Phase Auxiliary Peak Power | 10500 W | ↗ |
| Sound Rating | 71 dB (96 Lwa) | ↗ |
| Warranty | 3 Years Miller's True Blue Warranty | ↗ |
| Weld Output | CC | ↗ |
| Weldable Metals | Stainless Steel Steel | ↗ |
Every figure is traced to the manufacturer’s published data. ↗ opens the source.
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