Model # 7643

Internet #203287642

SPEEDWAY 90-Amp Flux Welder


90-Amp Flux Welder

  • 18-gauge or 3/16 in. steel weld thickness for multiple tasks
  • Ideal for working with steel or stainless steel
  • Features a warning light thermal protection
$13255 /each
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Product Overview

The Speedway 90-Amp Flux Welder will help you finish all of your around the home welding jobs quickly and efficiently. The single phase, 115-volt welder operates at 10% at 90-Amps, uses 0.035 in. or 0.030 in. wire with a thickness of 18-gauge to 3/16 in. steel. With a wire feed speed control of 0-400 IPM and a clamp cable length of 10 feet, this welder will assist you in safely and quickly completing your weld on steel or stainless steel. The thermal protection with a warning light will also notify you in the event of the welder beginning to overheat. Induces .030 and .035 tips.

California residents: see   Proposition 65 information

  • 115-Volt, single phase; duty cycle: 10% at 90-Amp, 19-Volts
  • Wire capacity: 0.035 in. or 0.030 in.
  • Weld thickness: 18-gauge or 3/16 in. steel
  • 0-400 IPM wire feed speed control
  • Self regulating feed control
  • Thermal protection with warning light
  • 10 ft. cable clamp length
  • Weldable metals: steel or stainless steel
  • Click here for more information on Electronic Recycling Programs

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Name 115-Volt 70 Amp Stick Welder 90-Amp Flux Welder 115-Volt 85 Amp Flux Welder 90 Amp Inverter Arc 120 Stick Welder, Single Phase, 120V
Brand Campbell Hausfeld SPEEDWAY Campbell Hausfeld Century
Ratings (23) (16) (8) (20)
Engine Power Electric (AC) Electric (AC) Electric (AC) Electric (AC)
Welder Type Stick Arc,Stick Arc,Wire-Feed Arc,Stick
Voltage (volts) 120
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Product Depth (in.)
Product Height (in.)
Product Width (in.)


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

Warranty / Certifications

Manufacturer Warranty
1 Year

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Customer Questions & Answers

Does it come with the flux wire

Asked by: Lester
This unit does not come with wire for it. The wire will need to be purchased separately. The units uses a .035 flux core wire.
Answered by: NATI Customer Care
Date published: 2017-08-04

Can this thing really weld stainless steel or is this just a false advertisement?

Asked by: Bob
Yes you can! 18-gauge to 3/16" Steel or stainless steel
Answered by: Tangelo
Date published: 2017-06-22

I am in need of a welder capable of welding 400 series stainless steel tubing for exhaust system use. Will this unit be

Asked by: Conrail71
This model welds 18-gauge or 3/16 in. steel.
Answered by: CommunityAnswer
Date published: 2017-07-31

How gd is the Speedway welder for house use

Asked by: Robs
I picked mine up to rebuild my 48" mower deck that was pretty beat up. After watching a lot of YouTube videos to give me an idea of what my welding beads should look like I dove in. Day 1 was a splattered mess but Day 2 I really felt like I had it mastered. Welding rebar to the deck for re-enforcement and filling voids with weld bead got pretty easy. I would NOT recommend this for long continuous weld applications like sucker rod fences but I would pick it up again for typical small to medium weld needs. Don't forget a grinder and welding helmet.
Answered by: Dwander
Date published: 2017-01-25
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Customer Reviews

90-Amp Flux Welder is rated 4.2 out of 5 by 16.
Rated 5 out of 5 by from Speedway 90 Amp welder Llight, portable and great for light welding . Great Buy for the price
Date published: 2017-06-20
Rated 5 out of 5 by from speedway welder works great welded part of frame on car thanks speedway welder works great welded part of frame on car thanks
Date published: 2017-02-22
Rated 5 out of 5 by from Everything all right... Everything all right
Date published: 2017-03-28
Rated 4 out of 5 by from Quality Welder for Homeowner Tasks, Simple Operation, Adjustable Current This 90 amp wire feed welder by Speedway is good enough to get a lot of basic welding tasks around the home or garage done. You plug it into regular house voltage, no special power lines are required, just make sure the outlet you are using has a 20amp breaker/fuse. It's not a professional welder of course, but if you need to fix a trailer, weld some yard art, work on the 4x4 here and there, it gets the jobs done. It's packed in styrofoam, but the wires are just rammed into the box. Take some time to straighten them out so they aren't so tangled up. It makes using the welder much easier. This welder is supposed to have two different sized tips included. .030(.8mm) and .035(.9mm). Mine didn't. It had two tips included, both .035 size. I wanted to use .030 wire so I had to go buy a tip for it. I wasn't very pleased about that. It should have been in the box. Also so you know in advance, no welding wire is included. Go to Home Depot and pick up a small spool (max size 2lb spool) of the wire size you prefer, either .030 or .035. NOTE: This welder will not fit ten pound spools. The manual is poor, the writing is obviously translated from another language and it doesn't help much. It will get you set up and running, but after that you're on your own for the most part. Read up on wire feed welding if you have never done it. The welder has an adjustable current output, you get a "Low" and a "High" setting. The manual and the welder do not tell you the amperage that each switch gives. For thicker metal and deeper penetration of the weld, use the high setting. For thin metal use the low setting. It takes practice to know which setting, but you'll get the hang of it. The manual says it will weld steel up to 3/16th inch thick and I agree with that. Maybe even just a bit thicker if needed. It has an overheat warning light if you push it too much. It has a duty cycle of 10% at 90 amps. The wire feed speed is also adjustable, there are no numbers on the dial to tell you how many inches per second you'll be feeding wire at. Again with this welder, it's a learning curve and you'll quickly find out how fast to feed wire while you weld. The welding handle itself and the ground clamp has cords about six feet long each. The welding handle fits nicely in a gloved hand and the feed lever is easy and comfortable to operate. WELDING: I was able to get some nice welds with it. I am not in any way shape or form a professional welder and I do not pretend to be. I practiced, I watched videos online and I read all about it. After a few hours of messing around, I was able to get strong welds that weren't totally sloppy. I'm still learning of course, but I think this is a good welder to start with. It's not complicated and it works good. No gas is needed, wire for it is not expensive at Home Depot and it has plenty of power to get the type of jobs I've been doing around the house and garage done. Get a welding helmet (mandatory), some welding gloves and get to work. PROS: Works easily and reliably Adjustable wire feed speed Adjustable welding current (two settings) Carrying strap included Welder is light enough to move around to jobs Loading wire, changing spools is easy CONS: Packed poorly Manual is poorly written, gives little help Didn't have two different tip sizes as listed
Date published: 2014-05-23
Rated 5 out of 5 by from This is a great welder for typical farm/ranch metal repairs. VERY compact and easy to use. Afte... This is a great welder for typical farm/ranch metal repairs. VERY compact and easy to use. After a very quick learning curve and watching a lot of YouTube vids for instruction I was able to do a pretty darned good welding job on my mower deck rebuild project. I was able to weld a good bead with minimal splattering after playing around with the LOW/HIGH power settings and the feed speed control. The welder comes with .035 tip. You can buy .035 flux core wire at HD along with .030 tips and wire if you want them.
Date published: 2017-01-25
Rated 4 out of 5 by from A good homeowner's welder This welder would be perfect for light duty fixes. It will only weld 18g or 3/16" steel which is adequate for most home owners. It was a little challenging assembling it due to confusing directions but it went together ok. I was surprised there was no flux core wire included. I had to buy some separately so keep that in mind. It worked nicely on 1/8 thick steel for my snow blower skids. I added little skis to help it float over a gravel driveway better. Make sure you purchase all safety equipment when using the welder
Date published: 2014-05-30
Rated 5 out of 5 by from Good welder, Great value This machine worked well for me, it is a great machine for small project and art works. First day I made a working desk and some art works.
Date published: 2017-01-29
Rated 5 out of 5 by from Works well on body panels on my old jeep!!!! This product showed up on time,did the job just fine and is very easy to use,I'm glad I picked it up and with all my discounts I paid half price....
Date published: 2013-01-22
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