What it welds
The Miller 907321 MIG Welder is a MIG / gas on 230-volt input; its listing doesn't state an output range, so check the rating plate.
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.
It runs solid wire under shielding gas for the cleanest wire-feed welds; most machines like it also run flux-core wire outdoors.
Plan a 240-volt circuit sized as the manual states before it arrives. What input voltage changes.
Use a lens of at least OSHA's minimum shade for the current: shade 10 or darker for typical MIG work here. Shade chart.
Also on the listing: dimensions of 40 x 19 x 30 inches and a weight of 237 lb.
Is it the right machine for the job?
Buy it for
- Clean steel welds indoors
Skip it for
What it does well, where it falls short
Does well
- MIG / gas
Falls short
- Duty cycle not stated with amps
- Needs a 240 V circuit
- Output range not stated
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 | 907321 | Retailer |
|---|---|---|
| Dimensions (seller) | 40 x 19 x 30 inches | Retailer |
| Product weight | 237 lb | Retailer |
| Input power | 230vac | Retailer |
Machines to put next to it
Other mig and flux-core welders in the same amp range
- TOOLIOM MIG-135 PRO Flux-Core Welder
- Lincoln Electric K5255-1 Flux-Core Welder
- PRIMEWELD MIG160 Flux-Core Welder
- Everlast Power Equipment Cyclone 140E Flux-Core Welder
Every mig and flux-core welders on one spec sheet · All Miller machines listed
Final verdict
Built for clean steel welds indoors.
Where to buy
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