Lincoln Electric FC90 Flux Core Wire Feed Welder and Gun, 90 Amp, 120V, Inverter Power Source for Easy Operation, Portable Shoulder Strap, Best for Small Welding Jobs
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Style: Welder and Gun
Features
- WELD ANYWHERE: Plug in the Century FC90 flux-cored wire feed welder anywhere 120V input power is available
- LIGHTWEIGHT & PORTABLE: Ideal for maintenance and mobile welders, thanks to its small and lightweight inverter design and shoulder strap for portability
- FC90 WELDER FEATURES: Automatic thermal protector shuts off output until machine cools to a normal operating temperature; Easy to turn control knobs allow you to fine tune welding parameters; Conveniently load your spool of wire on top of machine
- SMOOTH OPERATION: Inverter power source makes it more efficient to operate and provides smoother weld characteristics compared to traditional welders
- PERFECT FOR SMALL WELD JOBS: This machine is best for DIY projects, hobbyists, home repairs and more; Infinite welding voltage allows fine-tuning of weld characteristics; 30% duty cycle at 80 Amp; 30-90 Amp range
Description
Plug in the Century FC90 flux core wire feed welder anywhere common 120-Volt input power is available. The small lightweight inverter design allows for portability perfect for small weld jobs. Automatic thermal protector shuts off the output until the machine cools to a normal operating temperature.
Product Dimensions : 11.25 x 5.75 x 17 inches; 16 Pounds
Item model number : K3493-1
Department : unisex-adult
Date First Available : October 29, 2018
Manufacturer : No
Best Sellers Rank: #74,720 in Automotive (See Top 100 in Automotive) #82 in Welding Systems
#82 in Welding Systems:
Customer Reviews: 4.6 4.6 out of 5 stars 596 ratings
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Welder and Gun
This is a good little welder. Simple enough for a first time welder. Helped me do some body work on 96 dodge truck with some serious rust issues.
Reviewed in the United States on July 23, 2025 by MS6231
Style: Welder and Gun
I bought this unit to use for repair and fabrication after my experience with the Hobart 140. That Hobart was like 57lbs so would put it on a cart, which at that point might as well put a gas bottle on it and run mig for an all around smoother weld but now it’s massive and unwieldy. This Century FC90 is the epitome of a backpack welder (but don’t run it in an actual backpack lol) Pros: -Very light weight (18lbs loaded) -120v so that means 3 prong wall outlets -Fairly smooth welding arc when running E71 by any reputable manufacturer like Hobart or Blue Demon ect. -Come out the box ready to rock .35 wire (wire not included) Cons: -The tensioner for the wire spool feels like it does pretty much nothing. Haven’t had it unwind tho just makes me nervous. -Duty cycle is not like a Hobart 140 where you can be going full power almost all day long. -Some might say the roller assembly feels cheap but not to the point of falling apart, just not like Miller or Lincoln strong where you could probably hit it with a hammer and it would still keep going. All around definitely worth the money! I’d say best use is for domestic repairs, light fabrication, and just a nice sortable Flux Core gun. Do keep in mind it cannot change over to gas like mig or dual shield.
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Reviewed in the United States on April 24, 2023 by Kyle Hansen
Style: Welder and Gun
The Lincoln Electric FC90 delivers exceptional 90A performance in a portable, user-friendly design. Runs smoothly on 120V, lightweight with a handy shoulder strap—perfect for DIY projects and small repairs. Highly recommended!
Reviewed in the United States on April 25, 2025 by Demetrius Wallace
Style: Welder and Gun
Surprisingly good quality. Once wire speed and such were adjusted, had produced solid results, even for a novice. Great buy for every project I've used it on.
Reviewed in the United States on March 25, 2025 by KSmith
Style: Welder and Gun
Gets the job done, and is a good value. Compact, reasonably powerful and reliable. Not ideal for thin sheet metal as the power cannot be adjusted low enough to avoid blow through. With practice, this limitation can be overcome by using VERY short bursts (1/2 second or less) and stitch welding. Lacks a carry handle, but comes with a shoulder strap that serves this purpose. Tightening the shoulder strap too far prevents the lid from opening, and there are no quick releases on the strap. As with all flux core welders, spatter is an issue but I found that cleanup was very easy.
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Reviewed in the United States on March 23, 2025 by Vance
Style: Welder and Gun
I’ve purposely waited 6 months to write this review. I wanted to be able to use it and learn how to properly weld. I’m very pleased with this. I’ve used it to weld wire frames, connect a makeshift drive shaft for a salt spreader as well as learning how to make nice tight beads on several pieces of steel. It’s not going to repair the Eiffel Tower, but for small jobs it has done everything asked. As an example, the I needed to join a round and hexagonal shaft for my salt spreader. Each was about 1/4” in diameter. After a bit of prep on both pieces I was able to weld the 2 pieces together as well as a sleeve over the joint to ensure it had the best chance of working long term. I had to plow several times last year and ran the spreader to keep the road from icing up. I checked it when putting everything away for the year and showed no sign of wear or damage. I’m not an expert by any means but using this was very intuitive and helped me feel comfortable and confident in what I could do.
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Reviewed in the United States on August 23, 2025 by Jasen Durand
Style: Welder and Gun
This in my opinion is by far the most economical, most reliable, and best flux core110v welder I’ve had the pleasure of working with.
Reviewed in the United States on March 23, 2025 by Amazon Customer
Style: Welder and Gun
I don't know what happened stop working
Reviewed in the United States on September 23, 2025 by Jennifer Miller