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CAT CLASS: 0270130

400 Amp Dual Operator Welder


The 400 AMP Dual Operator Welder is ideal for welding applications where an independent power source is required. Portable and reliable, these models feature multi-processing capabilities for a range of on-site applications. These units also provide 120/240V auxiliary power to operate electric lights and tools.


Products are subject to availability.

Make Miller Multiquip
Model Big Blue 450 CST DLW400ESA4
AC Max / Rated Watts 12,000W / 10,000W 14,000W / 12,000W
Amperage Range 5 - 450A 30-400A or 2x30-200A
Dimensions 56"L x 26.25"W x 32"H 61"L x 29"W x 35"H
Rated Output –_100% Duty Cycle 350A or 2x175A 350A or 2x175A
Sound Level 72.2 dBA 70 dBA
Weight 1064 lbs 1028 lbs

Safety information

Safety Requirements
  • Eye Protection
  • Hard Hat
  • Gloves
  • Safety Shoes