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Lincoln Electric SP 140T MIG Welder Factory Demo Welding Machine - U2688-3

SKU: U2688-3
$635.00 $799.00
Financing / Leasing Available

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Whether you're purchasing a new MIG welder, TIG welder, engine-driven welder, or welding accessories, our financing solutions help you equip your shop without large upfront costs. We offer lease-to-own options on trusted brands like Lincoln Electric, Miller Electric, and more.

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You also have the option to purchase your equipment early, including within the first 12 months.

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The Lincoln SP 140T - U2688-3 is a professional-grade MIG welder delivering 140 amps of output power. Ideal for home projects, farm repair, and autobody work, this compact machine features superior arc performance, precise wire drive, and minimal spatter for consistent, high-quality welds.
Weld Thickness Up to 1/4” (General Fabrication)
Max Amperage 140–180 Amp (Home & Hobby)
Input Power: 120V (Standard Outlet)
Overview

The Lincoln SP 140T - U2688-3 is a professional-grade MIG welder designed to deliver unmatched performance and versatility for a wide range of applications. With a maximum output of 140 amps, the SP 140T offers MIG welding capabilities, making it ideal for home projects, farm repair work, and autobody shop applications. Equipped with cutting-edge features like superior arc performance and precise wire drive, this compact welder allows for smooth arc starts with minimal spatter.

Compare to New SP 140T MIG Welder K5261-1

The SP 140T comes with a simple tapped voltage control system, providing enhanced communication between the operator and the machine. Its intuitive interface allows for easy application setup. The precision full adjustment drive system offers superior wire feeding performance on various materials, while the machine's forgiving arc ensures simplified settings for consistent results. With the brass-to-brass gun connections, you'll experience enhanced conductivity and improved welding performance.

For aluminum welding applications, the SP 140T offers spool gun compatibility ensuring the flexibility to work with more challenging materials. This MIG welder is the perfect choice for hobbyists and seasoned welders seeking a reliable, high-performance machine for diverse welding tasks.

Key Features
      • Superior Arc Performance for easy application setup with minimal spatter.
      • Wide 30-140 amp welding output range for versatility across applications.
      • Precise Wire Drive system to reduce wire tangling and crushing.
      • Brass-to-Brass gun connections for enhanced conductivity.
      • No Hassle Tool-less Design for easy wire spool mounting.
      • Spool Gun Capable to enhance aluminum wire feeding performance.
      • Compact and portable design weighing only 50 pounds for easy transportation.
      • Durable handle for improved maneuverability.
      • Simple tapped voltage control for intuitive operation.

Specifications
Machine Inputs & Outputs
Phase 1: Input Voltage #1 (Voltage/Phase/Hertz) 120/1/60
Phase 1: Rated Output #1A (Current/Voltage/Duty Cycle) 90A/19.5V/20%
Phase 1: Input Current at Max Rated Ouput #1 (Current) 20A
Product Weights & Dimensions
Dimensions (H x W x D) 13.65 in x 10.38 in x 17.9 in (347 mm x 264 mm x 455 mm)
Net Weight 49.5 lbs (22.5 kg)
General Specification
Machines Processes Flux-Cored (FCAW)
MIG (GMAW)
Input Voltage 120
Input Hertz 60
Input Phase 1
Input Power 120/1/60
Mode Icon CV
Output Range 30-140A DC
Polarity DC
Wire Feeding Specifications
Wire Feed Speed Range (IPM) 50-700
Wire Feeders Processes MIG
Flux Cored
Application
Typical Application Automotive
Brewery
Distillery
General Fabrication
Maintenance & Repair
Repair Welding
Warranty
Warranty 3 Years
Specifications

Machine Inputs & Outputs

  • Phase 1: Input Voltage #1 (Voltage/Phase/Hertz): 120/1/60
  • Phase 1: Rated Output #1A (Current/Voltage/Duty Cycle): 90A/19.5V/20%
  • Phase 1: Input Current at Max Rated Ouput #1 (Current): 20A

Product Weights & Dimensions

  • Dimensions (H x W x D): 13.65 in x 10.38 in x 17.9 in (347 mm x 264 mm x 455 mm)
  • Net Weight: 49.5 lbs (22.5 kg)

General Specification

  • Weld Thickness Max: 5/16"
  • Max Amperage: 100-200 Amps
  • Input Power: 115V
  • Machines Processes: Flux-Cored (FCAW), MIG (GMAW)
  • Input Voltage: 120
  • Input Hertz: 60
  • Input Phase: 1
  • Input Power: 120/1/60
  • Mode Icon: CV
  • Output Range: 30-140A DC
  • Polarity: DC

Wire Feeding Specifications

  • Wire Feed Speed Range (IPM): 50-700
  • Wire Feeders Processes: MIG, Flux Cored

Application

  • Typical Application: Automotive, Brewery, Distillery, General Fabrication, Maintenance & Repair, Repair Welding

Warranty

  • Warranty: 3 Years

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