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Product Summary

AUTOPRO 155 ARC WELDER Power. Precision. Portability. Take your welding projects to the next level with the Lincoln Electric AUTOPRO 155 Arc Welder (Part #K3291-2)—a compact yet powerful solution designed for reliability, performance, and ease of use. Whether you’re tackling repairs, fabrication, or hobby work, this inverter-based welder delivers consistent results every time.

What's Included

    (1) Auto Pro 155 Stick Welder

Features + Benefits

  • High-Performance 155 AMP Output: Delivers strong, stable DC output for smooth arc starts and dependable weld quality—ideal for a wide range of applications.
  • 230V Power for Reliable Operation: Built for solid performance on a 230-volt input, ensuring efficient operation for home shops and light industrial use.
  • Welds Up to 14-Gauge Steel: Perfect for thin metal fabrication, repairs, and general-purpose welding tasks.
  • Compact & Portable Design: Lightweight construction makes it easy to carry, store, and use in tight or remote workspaces.
  • Advanced Inverter Technology: Maximizes energy efficiency while delivering consistent arc stability for cleaner, higher-quality welds.
  • Versatile Applications: Adaptable for a variety of welding jobs—whether in the garage, shop, or on-site.
  • User-Friendly Controls: Simple interface helps beginners get started quickly while giving experienced welders the control they need.
  • Efficient Energy Conversion: Optimized electrical performance reduces energy waste and improves overall welding productivity.

Key Specs

AttributeSpecification

item#

7304138

Brand

Lincoln Electric

Manufacturer's Warranty

1 year limited warranty
AttributeSpecification

Ship Weight

21.0 LB

Product Weight

21.0000 lb

Dimensions L x W x H (in.)

19.0 x 15.0 x 10.0 in

Warranty

Manufacturer's Warranty

1 year limited warranty