Model # PowerArc 140ST

Internet #204417700

Everlast PowerArc 140ST Stick / TIG Welder


PowerArc 140ST Stick / TIG Welder

  • Compact and portable with carry case
  • 120/240V Dual voltage design
  • Perfect for hobby, and professional work
$26477 /box
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Product Overview

The PowerArc 140 ST from Everlast is a perfect choice for the customer who has a farm, home shop or even a small fabrication business. This is the unit to have while you are out on the trail, at the track or just in your shop doing everyday fabrication chores. In fact, you can say goodbye to heavy transformer welder sitting in the corner. The dual-voltage IGBT inverter design allows the unit to go anywhere, and operate off of any standard power outlet. Maximum amp output operating on 240-Volt is 140 amps for TIG and Stick. The amp output while operating on 120-Volt is 87 (+- 3) amps for stick and 95(+-3) amps for TIG. The PowerArc 140ST will weld almost any metal except for aluminum and magnesium with its stick or lift-arc TIG feature. The PowerArc 140 ST comes with about everything you need to weld, including a convenient carry case (except TIG regulator and Tungsten). The stick and a standard 17 series gas-valve TIG torch, along with the work clamp are included as part of the welder package. Included also is a small starter kit of consumables for TIG. Nothing needs to be changed internally to go between 240-Volt and 120-Volt operation. The unit performs equally well in either stick or TIG mode. The unit can weld electrodes from 1/16 in. up to 1/8 in. thick in stick mode, and can weld up to 3/16 in. plate metal in a single pass. E6011, E6013, E7014 and E7018 stick welding rods (electrodes) all weld easily due to the automatic hot start and adaptive arc force control.

  • 10-140-amp welder with stick and lift arc TIG features for welding steel, stainless and even copper
  • Dual voltage 120/240-volt design offers go anywhere performance; reduced output while operating on 120-volt)
  • Compact inverter provides a commercial 35% duty cycle while reducing size and weight
  • Adaptive arc force control
  • Convenient carry case along with stick and TIG torch and work cable/clamp included



Product Depth (in.)
Product Height (in.)
Product Width (in.)


Engine Power
Electric (AC)
Input Power (Volts)
Maximum amperage output (amps)
Minimum amperage output (amps)
Tools Product Type
Power Tool
Torch included
Voltage (volts)
Votlage Input
Welder Type

Warranty / Certifications

Manufacturer Warranty
5 Years Warranty

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Customer Questions & Answers

Does this come with everything to do TIG welding? Torch? Tank for the Gas? What else is needed if anything for TIG?

Asked by: Jim
You will need to get an argon tank and regulator, these do not come with the unit. You will also need tungsten electrodes and some filler rod for the material you are using. Make sure to check which tungsten type is best for the material you are welding.
Answered by: Bummed
Date published: 2017-06-21

Can this unit run off a portable generator?

If so how large a generator would be needed?
Asked by: GGWinTexas
Yes. Inverters do the best job on generators, however, the max output of the generator still needs to exceed the demands of the inverter by a decent margin. An under powered source or evenly powered source will result in a broken arc and a bad time. Use a generator that's putting out 20% more power than what the machine calls for.
Answered by: jampst
Date published: 2016-05-30

Is this a ac welder that runs ac rods or can i 6010 and 7018 off of it to

Asked by: Wildman124
No 6010. 7018 is fine
Answered by: Arrow
Date published: 2016-12-20

How often does this unit come "in stock online" ? It's been well over 2 weeks now and I really want one lol.

Asked by: nawofford
In my area, it's only available online. UPS it to your store or home. Stores can't carry everything.
Answered by: jampst
Date published: 2016-05-30
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Customer Reviews

PowerArc 140ST Stick / TIG Welder is rated 4.3 out of 5 by 30.
Rated 5 out of 5 by from This unit is small, lightweight, and very effective. The controls are simple and intuitive. I hav... This unit is small, lightweight, and very effective. The controls are simple and intuitive. I have only used the stick/arc function at the household voltage of 110v so I don't know the full capabilities of the machine. The dual voltage of the machine makes it great if you don't yet have a source of 240v but plan to get it installed. I've had the unit for about 1 month and am very pleased with it. The case that comes with it is very useful, and the included face shield is good for bystanders of your work. Pros: -Affordable -Small -Lightweight -Powerful -Simple -35% Duty Cycle -Lift start TIG function (less tungsten contamination than scratch-start) -No manual adjustment needed to switch from 110v to 240v -Face shield is good for bystanders -Quality Ground clamp -Shoulder strap Cons -Like all stick welders, not good for thin materials (less than 1/16" thickness) -No foot pedal for TIG Function
Date published: 2017-06-27
Rated 5 out of 5 by from So far so good. It's compact and versatile. I tried it out on some thin scrap metal at 65 amps ... So far so good. It's compact and versatile. I tried it out on some thin scrap metal at 65 amps plugged into 110 current, and it started easy, without a lot of scratching. I haven't tried it with 220 V yet. The TIG setup looks a little skimpy to me, but I don't know anything about TIG. They threw in a silly little welding mask and a cheap brush/hammer.
Date published: 2017-01-28
Rated 5 out of 5 by from Awesome! Very impressed....welded real smooth on stick and even more impressed with the way it tig welds..cannot say enough about this . I hope to get the acdc one day but until then this machine exceeds all my expectations. It was delivered on time just a good deal all around
Date published: 2017-05-16
Rated 5 out of 5 by from Exceed expectations when welder arrived the front and back were cracked. Called everlast and they gladly sent a new front and back. This welder welds flawlessly holds a perfect arc.
Date published: 2017-06-21
Rated 5 out of 5 by from Great welder. Smooth easy starting arc. Welds better than my... Great welder. Smooth easy starting arc. Welds better than my buzz box, and I like the portability. Highly recommend.
Date published: 2017-01-31
Rated 5 out of 5 by from Great little welder for the money. ... Great little welder for the money.
Date published: 2017-07-14
Rated 4 out of 5 by from BETTER THAN EXPECTED No. 1: I am not an expert welder or "Mr. Fix-It". No. 2: The original unit had to be returned because it would not turn on. However the customer service was 5 star. 1/2 point off. No. 3: The replacement unit welds like a bandit. I was really amazed. In experienced hands this unit can handle just about any job. No. 4: 1/3 to 1/4th the cost of an American made (maybe) unit. No. 5: Simple and easy to use. I have added a photo of my practice weld, using 1/8th dirty mild steel with a 1/8 6011 rod at 107 amps. All it takes is practice, practice, practice.
Date published: 2014-09-26
Rated 5 out of 5 by from Great welder I have used it several times already and it does a great job. Much easier to use than the old AC buzzboxes. The DC has a much more stable arc. The dual voltage is a very nice feature that makes it very portable as is the small size and light weight of the welder. The quality is very good (outstanding for the price) and the 10 foot stinger and ground cables make it very easy to work on out of position welding jobs. I researched several welders in this price ranges and I am very happy I picked this one. The 5 year warranties is just icing on the cake.
Date published: 2014-06-16
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