Frontier® 400X Pipe Advanced Engine-Driven Welder/Generator

Frontier® 400X Pipe Advanced Engine-Driven Welder/Generator

Marsoni

M251S

$33189.65

Get it in 3 business days with 1 day shipping. Friday, May 29

Frontier® 400X Pipe Advanced Engine-Driven Welder/GeneratorSpecifications Phase Input Power 1 Ph 3 Ph Hertz Input Power 60 Hz Dimensions (H X W X D) 35. 9" x 25. 3" x 60" (913 mm x 643 mm x 1524 mm) Weight 1035 lbs. (469 kg) IEC Rating 325A 33V 100% @ 104F (40C) Max. Rating 400A 26V 60% @ 104F (40C) Output Range By Mode Stick Pipe (SMAW): 30 400 Amps, CV Wire (GMAW, FCAW S, FCAW G): 10 45 Volts, DC TIG (GTAW): 5 400 Amps, Arc Gouging (CAC A): 60 400 Amps Open Circuit Voltage 71 Peak OCV at 1800 RPM Rated

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We offer a 30-day return/exchange service after receiving.
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I rarely write reviews, but I'm so impressed by the fit and quality of this set that I made an exception. I'd been running my eufy 11S without brushes, and have been cleaning and reusing the filters for a while now and finally decided to buy replacements. The kit came packed well with everything in order and no damage. I replaced all of the worn parts and installed the brushes and did a test run - everything worked great. I expected some fitment issues because I've seen that with other kits, but I had no issues. The fact that you get multiples of almost everything is icing on the cake. Oh, and I wasn't paid or given anything in exchange for this review, as much as that's worth now, haha. I can recommend getting this kit for your robot vacuum, if it's the right set for your model.

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Reviewed in the United States on February 6, 2025

Verified Purchase

LGN

Boise, US

★★★★★ 5

Good option for an aftermarket replacement solution.

Size: 3+12+12+2+1 pack

I've been very happy with this product. I think it is a good price point for what is included. Everything was a directly compatible and everything fit as you would expect. The filter quality is good and since there are plenty in the kit I find I change the filters more often which is probably a good thing. I recommed.

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Reviewed in the United States on October 3, 2025

Verified Purchase

deb

Boise, US

★★★★★ 5

Eufy Brushes wear out with daily use

Size: 4 Pack

These brushes help the Eufy continue to run efficiently. I have 2 dogs and run 2 Eufies daily. It is surprising how much sand, dust, gravel and hair gets vacuumed. My furniture isn't as dusty and my floor doesn't need mopping as often.

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Reviewed in the United States on January 7, 2026

Verified Purchase

Brian M.

Phoenix, US

★★★★★ 4

It works

Size: 2+12+12+2 pack

Fits as expected and it's nice to have so many replacement parts. This item is priced well.

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Reviewed in the United States on January 11, 2026

Verified Purchase

Suzanne

New York, US

★★★★★ 5

Fits my old eufy

Size: 3+12+12+2+1 pack

This set fits my older model eufy and has extra parts for newer models. The filters did not fit our model (our fault for not doing proper research) but the fan sweeper is awesome.

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Reviewed in the United States on October 5, 2024