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Lincoln Electric LE31MP 120V 140 Amp Multi-Process Welder – MIG, Flux Core, Stick & TIG Welding Machine, Portable DC Welder with 60% Duty Cycle, 1/4" Steel Capacity, DIY & Professional Use, Model #K3461-1

Item# 65816
Lincoln Electric LE31MP 120V 140 Amp Multi-Process Welder – MIG, Flux Core, Stick & TIG Welding Machine, Portable DC Welder with 60% Duty Cycle, 1/4" Steel Capacity, DIY & Professional Use, Model #K3461-1

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Lincoln Electric LE31MP 120V 140 Amp Multi-Process Welder – MIG, Flux Core, Stick & TIG Welding Machine, Portable DC Welder with 60% Duty Cycle, 1/4" Steel Capacity, DIY & Professional Use, Model #K3461-1

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$1079.99

  • Shipping: 

    Free shipping (lower 48 states) - Available now
    $19.99 Same Day

  • Store Pickup: 

    1 in stock at Fredericksburg VA - Pickup in under 1 hr

  • Multi-process welding versatility: This all-in-one welder supports MIG, Flux-Cored (FCAW), Stick, and TIG welding processes, giving you flexibility for a wide range of applications. Easily switch between processes to handle everything from auto body repair to fabrication and maintenance work using a single machine.
  • Powerful 120v performance with wide output range: Operates on standard household 120V power while delivering a 30–140 amp output range for MIG and FCAW welding and 10–120 amps for TIG. Weld 24-gauge sheet metal up to 3/16" in a single pass and up to 1/4" steel using flux-cored wire for heavier-duty projects.
  • Smooth arc & user-friendly operation: Engineered with a forgiving arc and minimal spatter, this welder ensures smoother starts and easier control, making it ideal for beginners and experienced welders alike. The intuitive interface and quick setup get you welding fast.
  • Heavy-duty wire drive system: Features an adjustable drive system designed to reduce wire tangling and crushing. The cast aluminum gearbox provides increased torque and quiet operation, while the brass-to-brass gun connection enhances conductivity for consistent weld quality.
  • TIG ready with auto-detection: Supports TIG welding (torch and pedal sold separately) with automatic detection and configuration when a foot pedal is connected, allowing precise control over weld output for thin materials and detailed work.

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Complete Your Solution

  • Lincoln Electric LE31MP 120V 140 Amp Multi-Process Welder – MIG, Flux Core, Stick & TIG Welding Machine, Portable DC Welder with 60% Duty Cycle, 1/4" Steel Capacity, DIY & Professional Use, Model #K3461-1
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Price for all four:

$1672.96

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Product Summary

The Lincoln Electric LE31MP Multi-Process Welder delivers professional-grade versatility in a compact, 120V-powered machine designed for home users and light fabrication work. Built for convenience and performance, this portable welder supports MIG, Flux-Cored, Stick, and TIG welding (TIG torch and pedal sold separately), making it an all-in-one solution for DIYers, hobbyists, auto body repair, and farm or shop applications. With an easy-to-use interface, durable internal components, and smooth, forgiving arc performance, the LE31MP allows users to get started quickly while producing clean, consistent welds. The robust wire drive system, wide amperage range, and 60% duty cycle ensure efficiency across a variety of materials including mild steel, stainless steel, and aluminum (with optional spool gun). Whether you're tackling thin sheet metal or heavier steel projects, this compact Lincoln Electric welder delivers reliable power, portability, and precision in one versatile unit.

What's Included

    (1) Welder (1) Magnum Pro 100L MIG gun (1) Electrode holder with 10ft. cable (1) Gas regulator and hose (1) Work clamp with 10ft. cable (3) 0.025 contact tips (3) 0.035 contact tips (1) Gas and flux core nozzle (1) Spool of 0.025 MIG wire (1) Spool of 0.035 flux-core wire (1) Spindle Adapter for 8in Diameter Spool (1) Instruction Manual

Downloads

Product Manual
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Features + Benefits

  • Multi-process welding versatility: This all-in-one welder supports MIG, Flux-Cored (FCAW), Stick, and TIG welding processes, giving you flexibility for a wide range of applications. Easily switch between processes to handle everything from auto body repair to fabrication and maintenance work using a single machine.
  • Powerful 120v performance with wide output range: Operates on standard household 120V power while delivering a 30–140 amp output range for MIG and FCAW welding and 10–120 amps for TIG. Weld 24-gauge sheet metal up to 3/16" in a single pass and up to 1/4" steel using flux-cored wire for heavier-duty projects.
  • Smooth arc & user-friendly operation: Engineered with a forgiving arc and minimal spatter, this welder ensures smoother starts and easier control, making it ideal for beginners and experienced welders alike. The intuitive interface and quick setup get you welding fast.
  • Heavy-duty wire drive system: Features an adjustable drive system designed to reduce wire tangling and crushing. The cast aluminum gearbox provides increased torque and quiet operation, while the brass-to-brass gun connection enhances conductivity for consistent weld quality.
  • TIG ready with auto-detection: Supports TIG welding (torch and pedal sold separately) with automatic detection and configuration when a foot pedal is connected, allowing precise control over weld output for thin materials and detailed work.
  • Stick welding performance: Delivers smooth arc starts to reduce sticking, improving usability and weld consistency. Includes a durable electrode holder and cable for immediate stick welding capability.
  • Ready for aluminum (optional accessory) : Capable of MIG welding aluminum with an optional spool gun, expanding your material compatibility and making the welder even more versatile for specialized projects.
  • Portable, compact & durable design: Weighing just 46 lbs with compact dimensions, this welder is easy to transport and store, making it perfect for job sites, garages, and workshops where space and mobility matter.
  • Long duty cycle for extended work: Built for productivity with a 60% duty cycle (MIG at 95A, Stick at 80A, TIG at 115A), allowing longer weld times with less downtime.
  • Complete accessory package included: Comes ready to weld right out of the box with a Magnum Pro 100L MIG gun, electrode holder, gas regulator and hose, work clamp, contact tips, nozzles, wire spools, and more—everything you need to get started immediately.

Key Specs

AttributeSpecification

item#

65816

Brand

Lincoln Electric

Manufacturer's Warranty

3 year limited warranty

Ship Weight

46.0 LB

Volts

120

Max. Amps

140

Power Type

DC

Multi-process

Yes

Spool Gun Included

No

Welding Processes

Flux-Core, MIG, Stick, TIG

Max. Weld Thickness

0.25 in

Max. Welding Wire Diameter

0.035 in

Duty Cycle

Mig: 60% At 95a; Stick: 60% At 80a; Tig: 60% At 115a
AttributeSpecification

Weldable Materials

Mild Steel, Stainless Steel, Aluminum

Min. Amps

80

Wire Feed Speed Control

Yes

Cart Included

No

Mig Ready

Yes

Power Cord Length

10 ft

Clamp Cable Length

10 ft

Electrode Cable Length

10 ft

Regulator and Gas Hose Included

Yes

Shielding Gas Required

Yes

Product Weight

46.0000 lb

Dimensions L x W x H (in.)

18.12 x 9.0 x 13.62 in

Reviews

Questions & Answers

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Warranty

Manufacturer's Warranty

3 year limited warranty

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