Miller Electric Mfg. Co.

Big Blue 450 Duo CST

The dual-operator diesel engine-drive Big Blue 450 Duo CST provides two Stick/TIG welders and a generator in a single unit.

  • For use in construction, maintenance, pipe welding and general fabrication
  • Two CST 280 Stick/TIG inverters
  • 12,000 watts of continuous three-phase power
  • Powered by Mitsubishi S4L2 4-cylinder diesel engine
  • Tier 4i compliant
  • Operates at 1,800 rpm
  • Adaptive Hot Start for Stick welding applications to increase output amperage at the start of a weld
  • Lift-Arc technology improves TIG arc starts

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