From pipeline welders to contractors and farmers, the unbeatable performance of Miller’s engine drives is taking the market by storm. These “two-in-one” machines feature a diesel-driven engine that produces power to run tools, lights, appliances and motors. They also produce Stick, TIG, MIG and flux cored outputs, so you can tackle every field welding challenge.


Big Blue® 400 Pro with ArcReach®

  • Rated Output 300 A at 32 VDC, 400 A at 24 VDC
  • Voltage Range 14-40 V
  • Amperage Range 20-400 A
  • Generator power 12 KW peak
  • Generator output 120/240 VAC 1-Phase, 84/42 A
  • Dimensions 813 x 667 x 1422 mm
  • Weight 458 kg CAT
  • Engine Kubota
Spec Sheet