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Eastwood Elite MP140i Multi Process Welder - MIG, TIG, Stick

Eastwood Elite MP140i Multi Process Welder - MIG, TIG, Stick

Item #20559 Brand: Eastwood

3 Professional Welders In 1 - MIG, TIG and Stick Welding
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Only $499.99

Sale $449.97

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What The Pro's Think Of Eastwood Elite MP140i Multi Process Welder

Brian Kurtz - ASME & API Certified Welder

"The MP140i welds consistently with good arc stability just like the MP200i. It’d be great for the automotive guy welding patch panels, and lighter fabrication." Watch Video

Weird Beard

"This is an easy to use all in one welder that is compact in size. It plugs into a standard 110 volt wall outlet so it’s perfect for the diy home garage…it’s easy to get those professional looking welds we all like to achieve on our projects. Very easy to hook up. Capable of mig,tig and stick welding all in one machine. Very user friendly and super affordable. Far cheaper than buying 3 separate machines."

Auto Auction Rebuilds

"The Eastwood 140i is a perfect all-in-one welder for beginners like myself, or for the most seasoned pro! This is a must-have tool that every DIYer should have in their shop / garage. No need for big bulky machines that require 220 outlets anymore, as Eastwood has given us the perfect 3-in-1 mig, tig, and stick welder in a compact, easy to use, reliable machine!" Watch Video

The Eastwood Elite MP140i Multi Process Welder Features:

  • MIG, Stick or TIG Weld
  • Latest IGBT Inverter Technology
  • 140-Amp Maximum Welding Output
  • 30% Duty Cycle @ 90A
  • Welds Up To 3/16” Thick Steel
  • Built-in Spot Weld Timer

The Eastwood Elite MP140i is the latest all-around IGBT inverter welder that does professional-quality work at an affordable price. Use MIG, TIG or stick welding to fabricate steel up to 3/16-inch thick using standard consumables. You can also weld aluminum using the optional spool gun. Features such as infinitely adjustable tuning knobs and a spot weld timer are built into a compact portable multi-process welder that can fit in any shop. Do the Job Right with an Elite Series welder perfect for light-duty fabrication.

latest IGBT inverter technology

The latest IGBT inverter technology produces the most stable arc possible and provides the capability of welding thin or heavy gauge steel with precision and ease. A powerful, 140-amp maximum welding output allows welding up to 3/16” thick steel and a unique, built-in Spot Weld Timer feature allows precise control for exact, factory perfect spot welds on automotive restoration projects.

MIG and Flux Core Welding

TIG Welding

Stick (ARC) Welding

More info...
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(1) - MP140i, Multi-Process Welder
(1) - Shielding Gas Regulator
(1) - Shielding Gas Hose, 4.6’ [1.4m]
(1) - Ground Clamp with 10’ [3m] Cable
(1) - Trafimet ERGOPLUS 15, Tweco Style MIG Torch. 10’ Length. (0 .023”/0.6mm contact tip installed)
(5) - Spare 0.023” [0.6mm] Contact Tips
(1) - Electrode Holder with 12.5’ [3.8m] Cable
(1) - TIG Torch with 10’ [3m] cable, 14’ [4.3m] Gas Line
(1) - #4 Gas Nozzle (1/4”)
(1) - #5 Gas Nozzle (5/16”)
(1) - #6 Gas Nozzle (3/8”) (Installed)
(1) - Short Black Cap (Installed)
(1) - Long Black Cap
(1) - Collet Body, 1/8” [3.2mm] (Installed)
(1) - Collet, [1.6mm] (Installed)
(1) - Collet, [1.0mm]
(1) - Collet, [2.0mm]
(1) - 1/16” x 6” Tungsten (Gray)
(1) - Welding Wire Spool, 2lb., 0.023” Solid Wire
(5) - Welding Rods, 1/8” E6013

20645 Spool Gun for welding aluminum is optional and not included.


Input power: VAC 120
Frequency: 50/60 Hz
Rated input current: 20 Amps
Rated working voltage: 18.5 volts
MIG welding current: 30-140 A
TIG welding current: 20-90 A
Stick welding current: 30-70 A
Rated duty cycle: 30% @90A
Weight: 34 lbs.

Recommended MIG Welding Wire

Solid: 0.023-0.035" (0.6-0.9mm)
Stainless: 0.023-0.035" (0.6-0.9mm)
Flux Core: 0.030-0.035" (0.8-0.9mm)

Recommended 20645 Spool Gun Welding Wire

4043 Aluminum: 0.030-0.035" (0.8-0.9mm)

Recommended ARC Welding Rods

E6010: 1/16",3/32",1/8" - Polarity: DCEP
E6011: 1/16",3/32",1/8" - Polarity: DCEN
E6013: 1/16",3/32",1/8" - Polarity: DCEN, DCEP
E7014: 1/16",3/32",1/8" - Polarity: DCEN, DCEP

Duty Cycle

The rated Duty cycle refers to the amount of welding that can be done within an amount of time. The Eastwood MP140i has a duty cycle of 30% at 90 Amps. It is easiest to look at your welding time in blocks of 10 Minutes and the Duty Cycle being a percentage of that 10 Minutes. If welding at 90 Amps with a 30% Duty Cycle, within a 10 Minute block of time you can weld for 3 Minutes with 7 Minutes of cooling for the Welder.

If the Duty Cycle is exceeded, the Welder will automatically shut off, however the fan will continue running to cool the components. When a safe temperature has been reached, the Welder will automatically switch the Welder output back on. To increase the duty cycle you can turn down the Voltage Output control.


Click here for product instructions

Click here for Welder settings chart


Always wear dry, protective clothing and leather welding gloves and insulated footwear. Use suitable clothing made from durable flame-resistant material to protect your skin. Thoroughly read and understand this manual before using.

Click here to see safety products


3 Year Warranty

Click here for the Eastwood Warranty Policy


20645 Eastwood MP140i MP200i Spool Gun
21203 Eastwood MP140i Welder Consumable Kit
21204 Eastwood MP140i Welder Replacement Nozzles
12224 0.030” Contact Tips (5 Pack)
12211 0.025” Contact Tips (5 Pack)
20412 0.035” Contact Tips (5 Pack)
12225 0.030” Flux Core Wire, 2lbs, 4” Spool
12227 0.030” Solid MIG Wire, 2lbs, 4” Spool
20176 1/16” E3 “Purple” Tungsten
20177 1/32” E3 “Purple” Tungsten


Product Video

What The Pro's Think

Brian Kurtz - ASME & API Certified Welder

Auto Auction Rebuilds

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

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Proposition 65 Warning WARNING - Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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Customer Reviews

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Questions & Answers