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Miller Big Blue 500X Pro with Arc Reach Diesel Engine Driven Welder-Full Upgrade

Brand
Miller
SKU
MR907788-3
Pack Size
1
/ea
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Big Blue 500X Pro with ArcReach®

High-Output Power. Industrial-Grade Versatility.

The Big Blue 500X Pro with ArcReach is built for demanding worksites. For remote projects, heavy fabrication, or critical structural welding where uptime matters, it delivers up to 500 A of welding power, multi-process flexibility, and productivity-focused controls.

Why It Stands Out

  • Massive Weld Output
    100% duty cycle at 400 A / 36 V, 60% at 450 A / 33 V, and 40% at 500 A / 30 V. High open-circuit voltage for confident arc starts.
  • Multi-Process Capability
    Stick (SMAW), Pulsed MIG (GMAW-P), MIG (GMAW), Flux-Cored (FCAW), DC TIG (GTAW), RMD, and Air Carbon Arc (CAC-A).
  • ArcReach® Productivity
    Adjust parameters at the weld with ArcReach wire feeders/remotes to reduce walking, improve safety, and increase arc-on time. Front-panel lockouts help prevent accidental changes.
  • On-Site Power
    Generator output for tools and site needs: three-phase 380–415 V (approx. 21 kW peak / 15 kW continuous) and single-phase 240 V (approx. 4 kW continuous).
  • Enhanced Safety & Protection
    Supplied with an Emergency Stop, Double Pole Battery Isolator, and Lockout Device to maximise operator and site safety.
  • Roll Frame & Spill Tray Assembly
    Heavy-duty frame and integrated spill tray for added protection, easier transport, and environmental safety on site.

Ideal For

  • Structural steel, heavy fabrication, pipeline and vessel work
  • Maintenance & repair in remote or off-grid locations
  • Construction and rental fleets needing robust, low-maintenance equipment

Key Specs at a Glance

Weld Output Range 20–500 A
CV/DC (MIG/FCAW) Voltage 14–50 V
Duty Cycle 100% @ 400 A / 36 V; 60% @ 450 A / 33 V; 40% @ 500 A / 30 V
Max OCV 92 V DC
Generator Power (40 °C) 3-phase 380–415 V: ~21 kW peak / 15 kW continuous; 1-phase 240 V: ~4 kW continuous
Protection / Polarity IP23S / CC-CV, DC

ArcReach® Compatible

Works with ArcReach® Suitcase 12, ArcReach® 16, FieldPro Smart Feeder with ArcReach®, ArcReach® Heater, and ArcReach® Stick/TIG Remote.

More Information
Brand Miller
Weight 694.000000
Power Supply Engine Driven
Dimensions 1258mm x 724mm x 1654mm
Duty Cycle 400 A at 36 V 100%
Min Amperage 20
Max Amperage 500

Big Blue 500X Pro with ArcReach®

High-Output Power. Industrial-Grade Versatility.

The Big Blue 500X Pro with ArcReach is built for demanding worksites. For remote projects, heavy fabrication, or critical structural welding where uptime matters, it delivers up to 500 A of welding power, multi-process flexibility, and productivity-focused controls.

Why It Stands Out

  • Massive Weld Output
    100% duty cycle at 400 A / 36 V, 60% at 450 A / 33 V, and 40% at 500 A / 30 V. High open-circuit voltage for confident arc starts.
  • Multi-Process Capability
    Stick (SMAW), Pulsed MIG (GMAW-P), MIG (GMAW), Flux-Cored (FCAW), DC TIG (GTAW), RMD, and Air Carbon Arc (CAC-A).
  • ArcReach® Productivity
    Adjust parameters at the weld with ArcReach wire feeders/remotes to reduce walking, improve safety, and increase arc-on time. Front-panel lockouts help prevent accidental changes.
  • On-Site Power
    Generator output for tools and site needs: three-phase 380–415 V (approx. 21 kW peak / 15 kW continuous) and single-phase 240 V (approx. 4 kW continuous).
  • Enhanced Safety & Protection
    Supplied with an Emergency Stop, Double Pole Battery Isolator, and Lockout Device to maximise operator and site safety.
  • Roll Frame & Spill Tray Assembly
    Heavy-duty frame and integrated spill tray for added protection, easier transport, and environmental safety on site.

Ideal For

  • Structural steel, heavy fabrication, pipeline and vessel work
  • Maintenance & repair in remote or off-grid locations
  • Construction and rental fleets needing robust, low-maintenance equipment

Key Specs at a Glance

Weld Output Range 20–500 A
CV/DC (MIG/FCAW) Voltage 14–50 V
Duty Cycle 100% @ 400 A / 36 V; 60% @ 450 A / 33 V; 40% @ 500 A / 30 V
Max OCV 92 V DC
Generator Power (40 °C) 3-phase 380–415 V: ~21 kW peak / 15 kW continuous; 1-phase 240 V: ~4 kW continuous
Protection / Polarity IP23S / CC-CV, DC

ArcReach® Compatible

Works with ArcReach® Suitcase 12, ArcReach® 16, FieldPro Smart Feeder with ArcReach®, ArcReach® Heater, and ArcReach® Stick/TIG Remote.

More Information
Brand Miller
Weight 694.000000
Power Supply Engine Driven
Dimensions 1258mm x 724mm x 1654mm
Duty Cycle 400 A at 36 V 100%
Min Amperage 20
Max Amperage 500