Miller Big Blue 400 Pro Mitsubishi Welder Generator
Description
The MILLER Big Blue 400 Pro Mitsubishi is a robust, heavy-duty engine-driven welder/generator favored for its performance and reliability in demanding industrial environments. Powered by a dependable Mitsubishi diesel engine, the Big Blue 400 Pro delivers excellent DC stick and flux-cored welding capabilities, along with strong auxiliary power. Known for its quiet operation and rugged construction, this machine is ideal for continuous field use. Choose this formidable MILLER Big Blue Diesel Welder for high-amperage welding and power generation.
- Brand: Miller
- Model: Big Blue 400 Pro Mitsubishi
- MPN: 907733
- Engine: Mitsubishi S4L2, 4-Cylinder Diesel, Tier 4 Final
- Engine Power: 24.8 HP @ 3,000 RPM
- Fuel Type: Diesel
- Fuel Tank Capacity: 24 gallons (90.8 liters)
- Welding Output: 40–400 Amps (DC)
- Duty Cycle: 100% at 300 Amps
- Welding Processes: Stick (SMAW), DC TIG (GTAW), MIG (GMAW), Flux-Cored (FCAW), Air Carbon Arc Gouging (up to 1/4″)
- Arc Control: Standard (Not ArcReach)
- Auto-Speed Technology: Yes – adjusts engine RPM to match demand
- Generator Output (3-Phase): 20,000 watts continuous
- Generator Output (1-Phase): 11,000 watts continuous
- Noise Level: Approx. 76 dB @ 23 ft under load
- Dimensions: 59.5 in L × 20 in W × 40.5 in H
- Weight: Approx. 1,110 lbs (504 kg)
- GTIN: 715959672868
- Warranty: 3-Year Miller True Blue Warranty
Miller Big Blue 400 Pro Mitsubishi Specs
| Technical Parameter | Official Specification |
|---|---|
| Brand & Model | Miller Big Blue 400 Pro (Mitsubishi) |
| Full SKU/Model | 907733 |
| Engine Brand | Mitsubishi S4L2 (4-Cylinder Diesel, Tier 4 Final) |
| Engine Speed | 1,800 RPM (Low Speed for Longevity) |
| Welding Output Range | 20–410 A (DC) |
| Rated Output (100%) | 400 A at 36 V |
| Generator Power | 12,000 Watts (Peak) / 10,000 Watts (Cont.) |
| Meter Display | Vandal-Resistant LED Digital Meters |
| Quiet Operation | 71.6 dB at 23 ft (7 m) at Full Load |
| Net Weight | 950 lbs (431 kg) |
| Warranty | 3-Year Miller True Blue Warranty |
| SEO Usage Profile | General Construction; Pipe Welding; Maintenance Repair; Rental Fleets |
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