Lincoln Electric SP140-T Wire Feeder Mig Welder - K5261-1

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The SP140-T Wire Feeder Welder is designed for project and repair welding at home, on the farm or in an autobody shop. Whether you're a hobbyist or a seasoned welder, this welding machine is designed to deliver excellent performance and convenience. Featuring a compact and portable design, the SP140-T Welder weighs about 50 pounds, measures 13.65 in. H x 10.38 in. W x 17.9 in. D, and has a durable handle for easy maneuverability. Designed with simple tapped voltage control, precise wire drive, and hassle-free wire spool mounting, this welder is easy to set up and operate, so you can confidently tackle your welding project. 


  • Superior Arc Performance - Forgiving arc and simple tapped voltage control make dialing in your application easy. Smooth arc starts with minimal spatter. Wide 30-140 amp welding output range.
  • Precise Wire Drive - Precision full adjustment drive system reduces chance of wire tangling and crushing. Brass-to-Brass gun connections for enhanced conductivity.
  • No Hassle Tool-less Design - Hassle-free wire spool mounting, wire drive service and polarity changes.
  • Spool Gun Capable - Add the economical Magnum® PRO 100SG spool gun for enhanced aluminum wire feeding performance.

What's Included

  • (1) SP-140T Wire Feeder Welder
  • (1) Magnum® PRO 100L Gun 10 ft (3.0 m)
  • (1) Gas Nozzle
  • (1) Gas Diffuser
  • (1) Cable Liner
  • (1) Contact Tip 0.035 in (0.9 mm)
  • (1) Work Cable and Clamp
  • (1) Adjustable Gas Regulator and Hose
  • (1) Spindle Adapter
  • (1) Smooth Drive Roll 0.025-0.030 in and 0.035 in


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)


Machines Processes Flux-Cored (FCAW)

Wire and TIG Feeders

Wire Feed Speed Range (IPM) 50-700
MIG-WireFeeders Yes
Wire Feeders Processes MIG
Flux Cored

Basic Specification

Input Voltage 120
Input Hertz 60
Input Power 120/1/60
Input Phase 1
Mode Icon CV
Output Range 30-140A DC
Polarity DC
Rated Output 90A/19.5/20%


Typical Application Automotive
General Fabrication
Maintenance & Repair
Repair Welding


Warranty 3 Years


The VRTEX® Mobile simulates the GMAW (short arc, spray, pulse and STT® metal transfers) and FCAW (Self-shielded and Gas-shielded) processes in the standard system.  SMAW (E6010, E6013, and E7018) is an optional hardware and software kit.

SMAW (Optional on VRTEX® Mobile)

  • E6010 (Fleetweld®® 5P+)
  • E7018 (Excalibur® 7018)
  • E6013 (Fleetweld® 37)


  • Short Arc (.035” SuperArc® L-56)
  • Axial Spray (.045” SuperArc® L-56)
  • Pulse (.045” SuperArc® L-56)
  • STT® Surface Tension Transfer® (.045” SuperArc® L-56)


  • Gas-shielded .045 “ (UltraCore® 71A85)
  • Self-Shielded 5/64” (Innershield® NR-232)

The VRTEX® Mobile comes with 3 welding coupons (Flat Plate, Tee Joint, Groove Joint) that can be used in limited positions.

  • Plate: Flat, Horizontal, Vertical and Overhead
  • Pipe: 2G, 5G and 6G
  • The VRTEX® Mobile supports limited positions:
  • Plate: Flat, Horizontal and Vertical
  • Push and drag GMAW techniques
  • Stringer beads
  • Weave techniques – straight, triangle and box weave

Recently released! The VRTEX® has now expanded language support for Portuguese (Brazilian) and Russian.

Input current: 4A @ 115, 2A @ 230

  • The VRTEX® system requires a space of 8’ L x 8’ D x 8’ H (2.4 m x 2.4 m x 2.4 m).
  • When operating multiple units in one location, alternate between standard and alternate frequency systems (unique part numbers are identified).
  • The VRTEX® system is not designed for operation in harsh environments. Recommendations are listed in the instruction manual.
  • Avoid magnetic fields, conductive and high frequency objects and processes.
  • An uninterruptible power supply (UPS) may be required for protection of the system from power irregularities and/or disruptions
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