A 120 V MIG for car and sheet metal work that holds full power longer than most. The 5 year warranty is hard to beat at this price.
Amazon $379
A small, light 120 V MIG welder for hobby, auto body and home repair work. It is a good first welder if you don’t need thick steel or other processes.
- 120 AOutput
- 30% at 90 ADuty cycle
- MIG, flux-coreProcesses
- 120 VInput
Price checked November 1, 2026. As an Amazon Associate we earn from qualifying purchases.
- Runs gas MIG and flux core from a household 120 V outlet
- At 15 lb it carries in one hand to the job
- Gas welding leaves clean beads on thin auto body and hobby steel
- Three year Lincoln warranty with nationwide service
- Holds 90 A for only 3 minutes in 10
- MIG tops out around 3/16 in steel
- No stick, TIG or spool gun option
The Lincoln Weld-Pak family
Every Lincoln Weld-Pak model we rank, smallest first. Ratings compare each against its own input voltage.
| Model | Output | Rating | Price |
|---|---|---|---|
| Lincoln Weld-Pak 90i FC | 120 A | 3.1/5 | $328 |
| Lincoln Weld-Pak 90i MIG (this one) | 120 A | 3.2/5 | $414.99 |
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 | K5256-1 |
|---|---|
| Output | |
| Input voltage | 120 V |
| Maximum output | 120 A |
| Rated duty cycle | 30% at 90 A |
| Thickest steel, one pass | 0.25 in |
| Inverter | Yes |
| Processes and wire | |
| Gas MIG | Yes |
| Stick | No |
| TIG | No |
| Spool gun ready | No |
| Wire sizes | 0.025 to 0.035 in |
| Synergic settings | No |
| Build | |
| Weight | 15 lb |
| Warranty | 3 years |
Alternatives in this input voltage
A very cheap, very light flux core welder for occasional repairs on a 120 V outlet. The 3 year warranty makes it a safer bet than most no name machines at this price.
Amazon $89.98 Lotos $88.98A versatile 120 V shop welder for hobbyists and auto body work who want stick and TIG on the same box. Pick a dual voltage machine if you have 240 V and weld thicker steel.
Amazon $1,178.99Compare
Compare the Lincoln Weld-Pak 90i MIG with any other MIG welder →
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