Big Blue 450 Duo CST (Mitsubishi) (907477)

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


  • 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
  • Remote Amperage Control - Provided through 14-pin receptacle on front of the machine. This permits use of standard and wireless remote amperage control devices.

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