Forney X-Series 140 MIGx
#7 in 120 VFull review
A small, easy 120 V MIG for auto body, sheet metal and light repairs. TruSet and a 3 year warranty make it a safe first gas welder.
Forney $429.99$429.99
3.0/5
A simple 120 V MIG for home garage repairs on thin steel. EZ Mode makes it one of the easiest machines to set up for a first welder.
- 140 AOutput
- 30% at 90 A, 40 °CDuty cycle
- MIG, flux-coreProcesses
- 120 VInput
Check price at Cyberweld$719Check price at Tractor Supply$779.99
Price checked November 1, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs off a household 120 V outlet for sheet metal, exhaust and light trailer repairs
- EZ Mode sets voltage and wire speed from metal thickness, so beginners get usable welds fast
- Gas regulator included, so it is ready for clean MIG welds on thin steel out of the box
- Takes a spool gun for aluminum
- Five year warranty on the main power components
Cons
- Rated duty is 30% at only 90 A, so long beads at full power will stop it
- Tops out at 3/16 in steel in one pass
- At 53 lb it is heavy to carry for a 120 V machine
- Hobart advises against running it on a generator
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its input voltage. How we rank explains each one.
Specifications
| Model number | 500582 |
|---|---|
| Output | |
| Input voltage | 120 V |
| Maximum output | 140 A |
| Rated duty cycle | 30% at 90 A, 40 °C |
| Thickest steel, one pass | 0.188 in |
| Processes and wire | |
| Gas MIG | Yes |
| Stick | No |
| TIG | No |
| Spool gun ready | Yes |
| Wire sizes | 0.024 to 0.035 in |
| Synergic settings | Yes |
| Build | |
| Weight | 53 lb |
| Warranty | 5 years |
Alternatives in this input voltage
Miller Millermatic 142
#8 in 120 VFull review
A polished 120 V MIG for hobbyists who want Auto-Set and a long duty cycle on thin steel. Buyers on a budget get similar reach for much less.
Amazon $1,213.33$1,213.33
Forney Easy Weld 141 FC-i
#10 in 120 VFull review
A cheap, light flux-core welder for occasional repairs around the farm or yard. Fine for a first welder if you never plan to weld with gas.
Amazon $259.99$259.99
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