BigBlue 700 Duo Pro

BigBlue 700 Duo Pro

Multi-arc welding is better than ever!
One dependable engine with two premium pipe-quality arcs, allow operators to work independently of each other with no arc interaction. Full multiprocess capability provides the best Stick, MIG, Flux-Cored and TIG performance available. Multioperator welding was never easier, simpler or more versatile. It’s a one-of-a-kind, go-anywhere engine drive.

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Thermal overload protection

Thermal overload protection prevents machine damage if the duty cycle is exceeded or airflow is blocked.

Double the amperage output

Double the amperage output. Deluxe models have a parallel switch that combines both independent outputs to a single side. This provides a safe and easy way to run large electrodes, Stud weld or Carbon Arc gouge.

Deluxe Model

Deluxe Model includes parallel switch, 32 kW auxillary generator power, intake manifold heater and oil pan heater.

Independent generators

Independent generators provide the flexibility, dependability and reliability you need to get the job done right. One 5500-watt-peak/4000-watt-continuous, single-phase generator is fully indepen - dent of weld output.

Weld Mode/ Process CC/DC (Stick/TIG) CC/DC (Stick/TIG)
Output Mode Separate (Dual Outputs) Paralleled (Combined)
Weld Output Range 20–400 A (Each Side) 40–800 A
Weld Output Rated at 104˚ F (40˚ C) 300 A at 32 VDC, 100% Duty Cycle* (Each Side) 400 A at 36 VDC, 40% Duty Cycle* (One Side only) 500 A at 40 VDC, 100% Duty Cycle* 700 A at 28 VDC, 60% Duty Cycle
Max. OpenCircuit Voltage 85 VDC 85 VDC
Sound Levels at Rated Output, 23 ft. (7 m) 75 dB (100 Lwa) 75 dB (100 Lwa)
Dimensions H: 43 in. (1092 mm) H: 50 in. (1270 mm) (to top of exhaust) W: 28.5 in. (724 mm) D: 65.125 in. (1654 mm) H: 43 in. (1092 mm) H: 50 in. (1270 mm) (to top of exhaust) W: 28.5 in. (724 mm) D: 65.125 in. (1654 mm)
Weight Net: 1729 lb. (784 kg) Ship: 1761 lb. (799 kg) Additional 190 lb. (86 kg) when fuel tank is full Net: 1729 lb. (784 kg) Ship: 1761 lb. (799 kg) Additional 190 lb. (86 kg) when fuel tank is full