, , , SKU: 907732010

Miller Big Blue 400X Pro International – Kubota V1505 4-Cylinder Diesel Welder Generator - 907732010


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Miller Big Blue 400X Pro (907732010) is a Kubota V1505 diesel engine-driven welder generator
with 20–400A welding output, 350A @ 27V at 100% duty cycle, and 10,000 watts of continuous
120/240V single-phase auxiliary power. International model features an IEC-style receptacle
panel with 16A 240V, 20A 120V GFCI, and 32A 240V outlets with dedicated breakers.

$25,300.00

Miller Big Blue 400X Pro – Kubota V1505 Diesel Welder Generator (International Model 907732010)

Product Overview

The Miller Big Blue 400X Pro (907732010) is a heavy-industrial diesel engine-driven welder powered by the reliable Kubota V1505 four-cylinder liquid-cooled diesel engine. It delivers smooth arc performance, excellent fuel efficiency, and outstanding duty cycle capability for welding, fabrication, construction, maintenance, and repair operations.

With 350A @ 27V at 100% duty cycle, a wide 20–400A welding range, and 10,000 watts of continuous single-phase auxiliary power, this machine provides the muscle needed to run welding processes and power tools simultaneously. Digital SunVision™ meters, Dynamic DIG™, Lift-Arc TIG, and simple front-panel controls enhance usability and precision.


Key Features

  • Digital SunVision™ meters (preset & actual values)

  • Simple, intuitive process control

  • Dynamic DIG™ adaptive arc force

  • Lift-Arc TIG with Auto-Stop™ & Auto-Crater™

  • Thermal overload protection

  • Industrial USB port

  • Automatic engine idle & block heater

  • Heavy-duty Kubota V1505 diesel engine


Specifications Table

Welding Performance

Category Specification
Weld Output Range (Stick/TIG) 20–400 A
Weld Output Range (MIG/FCAW) 14–40 V
100% Duty Cycle @ 40°C 350A @ 27V / 300A @ 32V / 400A @ 24V
Processes SMAW, DC TIG, MIG*, Flux-Cored*, CAC-A
Carbon Arc Gouging Rated 3/16″ • Capable 1/4″

*Requires wire feeder


Auxiliary Power

Category Specification
Peak Output 12,000 watts
Continuous Output 10,000 watts
Voltage / Phase 120/240 V • Single-Phase
Frequency 60 Hz
Amperage 84A / 42A

Engine – Kubota V1505

Category Specification
Engine Type 4-cyl liquid-cooled diesel
Horsepower 20.2 HP
Idle Speed 1,500 RPM
Weld Speed 1,800 RPM
Fuel Capacity 11.5 gal (43.5 L)
Oil Capacity 5.9 qt (5.6 L)
Coolant Capacity 6 qt (5.7 L)
Automatic Shutdown Low oil pressure • High coolant temp • Low fuel

Receptacles (International Model)

Category Specification
Receptacle Panel International receptacle panel
Connections Included 16A 240V receptacle • 20A 120V GFCI receptacle • 32A 240V receptacle
Circuit Protection All receptacles include dedicated circuit breakers

Sound Levels

Mode dB Rating
Idle 66 dB
Weld 71.6 dB

Dimensions & Weight

Category Specification
Height 32 in (813 mm)
Width 26.25 in (667 mm)
Depth 56 in (1,422 mm)
Weight 950 lb (431 kg)

Download the Full Spec Sheet

👉 Download the Miller Big Blue 400X Pro Spec Sheet (PDF)


Why Buy From Service Welding Supply

  • Authorized Miller dealer

  • Fast, secure freight shipping

  • Competitive pricing with expert support

  • Knowledgeable staff for setup & accessories

  • Excellent customer service before and after the sale

Request for Quote
If you are looking to request a quote with special pricing or for more information about this product, please fill in the contact form below and we will respond to you as soon as possible. You can also call us at 833-305-9353 and an agent will assist you.
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Specifications

Download the Big Blue 400x Spec Sheet

Category Specification
Model Miller Big Blue 400X Pro – International (907732010)
Engine Kubota V1505, 4-cylinder, liquid-cooled diesel
Horsepower 20.2 HP
Weld Output Range (Stick/TIG) 20–400 A
Weld Output Range (MIG/FCAW) 14–40 V
100% Duty Cycle @ 40°C 350A @ 27V • 300A @ 32V • 400A @ 24V
Processes Stick (SMAW), DC TIG, MIG*, Flux-Cored*, CAC-A (*requires wire feeder)
Carbon Arc Gouging Rated 3/16″ • Capable 1/4″
Auxiliary Power 12,000W peak • 10,000W continuous
Voltage / Phase 120/240V, Single-Phase
Frequency 60 Hz
Auxiliary Amperage 84A / 42A
Receptacle Panel (International) 16A 240V receptacle • 20A 120V GFCI • 32A 240V receptacle (all with breakers)
Idle Speed 1,500 RPM
Weld Speed 1,800 RPM
Fuel Capacity 11.5 gal (43.5 L)
Oil Capacity 5.9 qt (5.6 L)
Coolant Capacity 6 qt (5.7 L)
Auto Shutdown Low oil pressure • High coolant temp • Low fuel
Sound Level (Idle) 66 dB
Sound Level (Weld) 71.6 dB
Dimensions (H × W × D) 32″ × 26.25″ × 56″
Weight 950 lb (431 kg)

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