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Miller Electric Big Blue 450 Duo CST

August 12, 2011

The Big Blue 450 Duo CST, a dual-operator diesel engine-driven welding generator, features two CST 280 Stick/TIG inverters and 12,000 watts of continuous three-phase power in a single unit. Powered by Mitsubishi’s Tier 4-I S4L2 four-cylinder engine, the unit allows two welders to work off the same machine with two separate welding outputs. Miller says the machine operates at 1,800 rpm, which reduces fuel use and keeps noise levels up to 10 d(B)A quieter than other models. Big Blue 450 Duo CST features an easy process selector for Stick and TIG applications and offers many features that simplify maintenance and operation.

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