Model # 309

Internet #205875557

Forney 140 Amp 120-Volt MIG Welder
0032277003095

Forney

140 Amp 120-Volt MIG Welder

$47999 /box
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Product Overview

The Forney 309 MIG Welder, 120-Volt with 140 Amp maximum output is an ideal machine for farms, automotive, and small repair welding using 115-Volt, household current. This machine is MIG ready with regulator and gas hose. Welding processes are MIG (GMAW) and Flux Cored (FCAW). This is a multi-step transformer based machine. The Forney 140 MIG is a complete change from previous Forney MIG welders and offers several upgrades. For example the welder has a higher duty cycle, quick “euro” style disconnect torch, longer gun/torch with common consumables, HD cast aluminum feed/drive system with geared idler and drive rolls, cable wrap and upgraded despoiler with larger cabinet and easier spool access. The quality, performance, and value of this machine will impress. Input power is 115-Volt, CV/DC, 1-phase. Maximum output is 140 Amp. Mig gun/torch is 10 ft. (3.04 m). Acceptable spools sizes are 4 in. and 8 in. Standard U.S. gaze hose set-up. The weight is 56 lbs. The 5/3/1 or Advanced Replacement warranty is as follows with 5 years parts and labor or full replacement of transformer. 3 years parts and labor or full replacement of all components and parts inside the battery charger or welder that cover within the exception of the transformer. 1 year parts and labor (90 days for industrial use) for all components and parts outside the battery charger or welder cover, included but not limited to cables, clamps. Switches, wheels and axle are not covered. Does not include labor.

California residents: see   Proposition 65 information

  • Welds up to 1/4 in.
  • Acceptable wire diameters are 0.023, 0.030 and 0.035 in.
  • Acceptable spool sizes are 4 in. and 8 in.
  • Processes include MIG (gas) and flux cored
  • Euro-connect MIG gun with Tweco #1 compatible consumables
  • Flow meter and gas hose included
  • Quick start guide included
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name 140 Amp 120-Volt MIG Welder 190 Amp 230-Volt MIG Welder 210 Amp 230-Volt MIG Welder 190-Amp 120/230-Volt MIG/Stick/TIG Multi-Process Welder
Brand Forney Forney Forney Forney
Ratings (4) (2) (1) (5)
Engine Power Electric (DC) Electric (DC) Electric (DC) Electric (DC)
Welder Type MIG,Wire-Feed MIG,Wire-Feed MIG,Wire-Feed Multi-Process
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Specifications

Dimensions

Product Depth (in.)
20.25
Product Height (in.)
16
Product Width (in.)
10.25

Details

Engine Power
Electric (DC)
Input Power (Volts)
120
Maximum amperage output (amps)
140
Minimum amperage output (amps)
30
Rated Output (Volts)
120
Returnable
90-Day
Tools Product Type
Power Tool
Torch included
Yes
Welder Type
MIG,Wire-Feed

Warranty / Certifications

Manufacturer Warranty
5/3/1 warranty against manufacturer defects

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Customer Questions & Answers

Does the 140 accept a spool gun for Aluminum?

Does the 140 accept a spool gun for Aluminum?
Asked by: VJ
The machine has the tweco euro style connections for the gun, so it seems feasible that a spoolgun having these fittings would work. However, the manual states that aluminum wire can be used by replacing the steel gun liner with a teflon liner and ran through the stock gun.
Answered by: BigHarp
Date published: 2017-06-10

What size generator is needed to run the 180?

Asked by: HillbillyJr
You will need at least a 10,000 watt generator.
Answered by: CommunityAnswer
Date published: 2016-02-09

What is the thinnest gauge steel you can weld with this welder?

Asked by: Kat
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Customer Reviews

140 Amp 120-Volt MIG Welder is rated 4.8 out of 5 by 4.
Rated 5 out of 5 by from Works great, very happy! The welder came with pretty much everything you need to get started. I make metal and glass tables as well as other things mostly as a hobby. This machine works great for what I need. It is pretty heavy but manageable since I use a cart anyway. The directions are pretty easy to understand. The settings were easy to use so I had no problems with the heat control at all. This also switches over easily from the flux to the MIG wire which is nice. This feeds wire nicely and I was able to make some pretty beads with this machine. I like that there is a decent size storage area to keep your wire stored inside it. I can't wait to start working on some more of my projects now. I very highly recommend this!
Date published: 2015-04-22
Rated 4 out of 5 by from Good mig welder, 120volt is a little low on amps This is a good mig welder. It comes with all the connectors and a gas regulator. I set it up on flux core and regular steel. Flux core always makes a mess so I am happy to have a welder that works on gas and will probably never use flux core again. The wire feed is smooth and easy to set up. It has a nice strong steel roller and easy tension adjustment. The instructions are clear and the setup chart on the welder is accurate for adjusting power and wire feed settings. I was able to lay down a clean weld on 1/8" steel that looks about the same as with my Tig welder, but much faster. The great thing about a mig is the ease of use and speed. The bad part is you can't weld thin metal. The only problem I find with this welder is on 120 volts, I tripped a 15 amp breaker while on power setting 3. I moved to a 20 amp breaker and it was better, but still tripped a few times. For thicker metal , this may be a problem since power setting 4 will trip the breaker fairly easily. It works fine for 1/8" steel. I feel they should just make the unit 220volts, it's pretty easy to set up a 220volt outlet if you have two phases in your garage.
Date published: 2015-04-24
Rated 5 out of 5 by from Among the Best ! Ive owned various welders in the past and my welding skills are pretty good. This Welder is one of my favorites and really makes my welding skills shine. setup is easy and once paired with a gas tank its perfect ! Loading wire is easy and painless. The handle has a nice grip and is very rugged! The settings are very useful and are easy to read and change on the fly. Perfect welder for anyone looking to get a nice MIG A++
Date published: 2015-05-28
Rated 5 out of 5 by from Feed Me! Just what I needed for my small workshop. What a great tool this mig welder is I;m more then just happy. first I assembled my all steel welding bench with it. Then my next task was to build my material storage shelve with extending arms to hold different sizes. Next it time to work on my machines, so many projects! The Forney 309 MIG Welder, 120-Volt with 140 amp maximum output is an ideal machine for small repair welding using 115-Volt, household current. The quality, performance, and value of this machine does impress. Input power is 115-Volt, CV/DC, 1-phase. Maximum output is 140 amps. Mig gun/torch is 10 ft. (3.04 m). Acceptable spools sizes are 4 in. and 8 in. Replacement warranty 5 years parts and labor or full replacement of transformer. 3 years parts and labor or full replacement of all components and parts inside the battery charger or welder that cover within the exception of the transformer. 1 year parts and labor (90 days for industrial use) for all components and parts outside the battery charger or welder cover, included but not limited to cables, clamps. Switches, wheels and axle are not covered. Does not include labor. Welds up to 1/4 in. Acceptable wire diameters are 0.023, 0.030 and 0.035 in. Flow meter and gas hose included Quick start guide included
Date published: 2015-04-20
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