Big Blue® 450 Duo CST™ (Mitsubishi)

Big Blue® 450 Duo CST™ (Mitsubishi)

907477
The Big Blue 450 Duo CST is a rugged, compact, fuel-efficient diesel welder/generator that provides 2 superior arcs in one economical package.

Features

Multi-function Fuel Gauge
Displays fuel level and engine hours, and can be customized to set oil change interval reminders. In the case of high coolant temperature, low oil pressure, or low fuel level, the engine will shut down to prevent damage, or make restarting easier.
Heavy-Duty Low-Speed Mitsubishi S4L2 Industrial Diesel Engine
Used in industrial applications around the world, the S4L2 is designed to run 10,000 hours before major overhaul. Backed by worldwide support and service.
Adaptive Hot Start™ For Stick Arc Starts
Automatically increases the output of a weld should the start require it.  Prevents the electrode from sticking and creating an inclusion.
Superior Stick Arc Performance
Even on the difficult-to-run electrodes like E6010   Learn More
Remote Amperage Control
Provided through 14-pin receptacle on front of the machine.  This permits use of standard and wireless remote amperage control devices.   Learn More
Quiet Operation
At just 72.2 decibels at 23 feet (7 m), it's quieter than most single-operator models, improving jobsite communication and safety.   Learn More
High Efficiency
Three-Phase, rotating-field generator requires less fuel and horsepower to operate.   Learn More
Vandalism Lockout Kit
Lockable hinged steel panel protects front control panels and ignition switch.

Not Included

  • Weld leads

Specifications

Processes

Air Carbon Arc Cutting and Gouging (CAC-A)
Stick (SMAW)
TIG DC (GTAW-DC)

General Specifications

Title Big Blue® 450 Duo CST™ (Mitsubishi)
Industries Interests Infrastructure
Fabrication
Maintenance and Repair - Field Operations
Pipe Fabrication / Construction
Cold Weather Starting Aids Glow Plugs
Engine Brand Mitsubishi
Engine Compliance T4F
Engine Idle Speed 1800 RPM
Engine Weld Speed 1800 RPM
Fuel Tank Size 11.5 Gallon
Fuel Type Diesel
Horsepower 24.7 hp
Weldable Metals Stainless Steel
Steel
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 Generator Continuous Power 10000 W
Sound Rating 72.2
Three Phase Generator Continuous Power 12000 W
Rated Carbon Diameter 3/16 in (4.8 mm)
Current Type DC
Max Open Circuit Voltage 77 VDC
Amperage Range Amperage Min Max 5 - 450
Portability Lift Eye (Standard)
Trailer (Optional)
Weld Output CC
Net Width 26.25 in
Net Height 32 in
Net Length 56 in
Net Weight 1064 lbs
Warranty 3 Years
Miller's True Blue Warranty

Accessories

Control Adapters

Remote Hand Control, 14-pin Plug

For all solid-state power sources after serial number JK674521. Complete current or voltage control brings 120 V of GFCI power to work area in a single cord, 125 ft. cord
Remote Hand Control RHC-14, 100ft

Extension Cable, 14 Pin 8 Conductor, 50 ft.

For XR-Controls, SuitCase 12RC, 20 Series feeders, and 70 Series (S/D/DX) feeders. For 14–pin remote controls/24 VAC feeders. 14-pin plug to a 14-pin socket. (Not for 115-volt XR or 50 Series feeders.)

Consumables

Bobcat™ / Trailblazer® / Big Blue® Full Single-Phase Full KVA Plug Kit $114.66

Ability to wire for 120 or 240 VAC loads. For use with Bobcat™ / Trailblazer® / Big Blue® (except 400 and 500 CC).

Resources

Literature

Engine Drive Selection Guide USA
Trailblazer and Big Blue Process Quick Start Guide

Videos

More Power and Capabilities with Tier 4 Final-Compliant Miller Welder/Generators
Miller has redesigned its diesel engine-driven welder/generators to reduce emissions, while also maximizing power output...
The Lambeau Episodes 4: Dual Operator Welding Systems
Miron Construction used two of Miller's dual operating systems - the Big Blue 450 Duo CST and the Big Blue 700 Duo Pro on...
Selecting an Engine-Driven Welder/Generator: What to Consider When Making the Choice
Engine-driven welder/generators help operators be prepared for almost anything on a jobsite, from multiprocess welding to...

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Reviews & Ratings