Miller Big Blue 400X Pro Kubota with ArcReach Basic Upgrade Package Miller MR907732011-2

Miller Big Blue 400X Pro Kubota with ArcReach Basic Upgrade Package Miller MR907732011-2

Big Blue® 400X Pro Kubota Welder Generator with ArcReach® Basic Upgrade – Miller

Part No. MR907732011-2

Product Overview

The Miller Big Blue® 400X Pro Kubota Welder Generator with ArcReach® Basic Upgrade Package is purpose-built for professional welders who demand ease of use, reliability, and fuel efficiency on the jobsite. Featuring advanced ArcReach® welding technology, this machine reduces non-value-added time by allowing weld parameter adjustments at the point of use—maximizing arc-on time, improving weld quality, and enhancing jobsite safety.

Powered by a heavy-duty low-speed Kubota industrial diesel engine, the Big Blue 400X Pro delivers dependable performance in the toughest environments.

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Key Features & Benefits

ArcReach® Welding Technology

Minimizes time spent walking to and from the power source by enabling remote weld parameter adjustments, improving productivity and overall jobsite safety.

Auto Remote Sense™

Automatically detects when a remote control is connected to the 14-pin receptacle, eliminating confusion between remote and panel control selection.

HD Powder Coat Finish

Zinc-rich primer and heavy-duty powder coating protect sheet metal from rust and corrosion, extending machine life in harsh conditions.

Infinite Arc Control

Allows precise adjustment of arc characteristics for Stick, TIG, MIG, and FCAW welding, ensuring optimal performance across a wide range of applications.

Lift-Arc™ TIG with Auto Crater & Auto Stop

Provides smooth TIG arc starts without high frequency. Auto Crater and Auto Stop help prevent tungsten contamination and improve weld quality.

Thermal Overload Protection

Protects the machine from damage if duty cycle limits are exceeded or airflow is restricted.

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Standard Features

• ArcReach® capability

• Digital preset weld meters

• Automatic idle control

• Cold weather starting aids

• Digital meters with SunVision™ technology for clear visibility in direct sunlight

• Industrial USB port for software updates, diagnostics, and machine data downloads

• Remote oil drain for clean, easy servicing

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Big Blue® 400X Pro with ArcReach® Arc Control

Provides enhanced arc control when welding with stick and solid wires, making fine-tuning easier for difficult materials and out-of-position welding.

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Auxiliary Power Output*

• 1 × 240 V, 60 Hz, 32 Amp, single-phase socket

• 2 × 240 V, 60 Hz, 15 Amp, single-phase sockets

• RCD protection

*Generator auxiliary power operates at 60 Hz and is intended for welding-related equipment such as grinders, drills, and floodlights. Some 50 Hz Australian equipment with induction motors may not operate correctly or could be damaged. Consult the equipment manufacturer for compatibility.

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Low OCV Stick (VRD) Safety Feature

Reduces open-circuit voltage to 30 volts when not welding, improving operator safety without affecting arc starting performance.

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Engine & Warranty

• Heavy-duty, low-speed industrial diesel engine

• 3-Year Miller Warranty (parts and labour)

• Engine covered separately by the engine manufacturer

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Compatibility

• XMT® 450 CC/CV 400V CE

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Part Number / SKU: MR907732011-2