What it welds
The PUWU CT-418PRO Multi-Process Welder is a multi-process with a maker-stated output of 20 to 50 amps on 110 or 220-volt input.
At its top output of 50 amps, Miller's 1-amp-per-thousandth rule points to about 0.050 in of steel per pass. Where the rule comes from.
The listing doesn't give a duty cycle with its amperage, which makes long beads hard to plan; the rating plate or manual should state it. Why it matters.
Processes, per the maker: Gas MIG, Flux Core. Check which torches and guns come in the box; a TIG torch or spool gun is often extra. Process guide.
Dual-voltage input gives portability on 120 volts and full output on 240; the maker's ratings for each input differ. 120 V vs 240 V.
Eye protection: OSHA's minimum is shade 10 for most of this machine's range (shade 10 for stick above 160 A). Full table.
Also on the listing: dimensions of 17.7 x 8.5 x 15.22 inches and a weight of 25.6 lb.
Warranty, per the listing: 2-Year Warranty.
Is it the right machine for the job?
Buy it for
- A shop that does a bit of everything
- Sheet metal to about 0.050 in
Skip it for
- Steel much past 0.050 in in one pass
What it does well, where it falls short
Does well
- Up to 50 A output
- Dual-voltage input
- Multi-process
Falls short
- Duty cycle not stated with amps
- Torches may be extra
Power and setup notes
- Ratings are the maker's own, stated under the maker's conditions. Follow the manual, wear eye protection of at least OSHA's minimum shade, keep combustibles away, ventilate, and have a licensed electrician install new circuits.
Rated output and specs
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Model number | CT-418PRO | Retailer |
|---|---|---|
| Product weight | 25.6 lb | Retailer |
| Dimensions (seller) | 17.7 x 8.5 x 15.22 inches | Retailer |
| Material | ABS, Metal | Retailer |
| Power | ac | Retailer |
| Input power | 110 volts, 220 volts | Retailer |
| Wattage | 7.4 KW | Retailer |
| Warranty | 2-Year Warranty | Retailer |
| Output range | 20-50a | Retailer |
| Processes | Gas MIG, Flux Core | Retailer |
| Cut capacity | Clean Cut: 5/16" | Retailer |
| Spool gun | Spool Gun Compatible | Retailer |
Machines to put next to it
Other multi-process welders in the same amp range
Final verdict
Built for A shop that does a bit of everything.
Where to buy
Our links open this exact model's product page. Prices and stock change; check what's included before you order.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure