Lincoln Weld-Pak 90i MIG
#4 in 120 VFull review
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.
Amazon $414.99$414.99
The Lincoln Weld-Pak 90i MIG is the better MIG welder overall, rated 3.2 to 3.1. The Lincoln Weld-Pak 90i MIG leads on weight. The Lincoln Weld-Pak 90i MIG costs $15 less ($414.99 vs $429.99).
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
Prices were last checked November 1, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Lincoln Weld-Pak 90i MIG for weight (15 lb vs 20.3 lb).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 120 V MIG welder; a clear win is highlighted. How we rank explains each one.
| Factor weight | Lincoln Weld-Pak 90i MIG | Forney X-Series 140 MIGx |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 30% | 46 $3.46 per amp ($414.99, 120 A maximum) | 53 $3.07 per amp ($429.99, 140 A maximum) |
| Duty cycle 20% | 28 30% at 90 A, about 17% at full output | 10 30% at 90 A, about 12% at full output |
| Processes 15% | 40 MIG, flux-core | 40 MIG, flux-core |
| Weight 10% | 100 15 lb | 88 20.3 lb |
| Warranty 25% | 50 3-year warranty on the machine | 50 3-year warranty on the machine |
Specifications
| Lincoln Weld-Pak 90i MIG | Forney X-Series 140 MIGx | |
|---|---|---|
| Output | ||
| Input voltage | 120 V | 120 V |
| Maximum output | 120 A | 140 A |
| Rated duty cycle | 30% at 90 A | 30% at 90 A |
| Thickest steel, one pass | 0.25 in | 0.25 in |
| Inverter | Yes | Yes |
| Processes and wire | ||
| Gas MIG | Yes | Yes |
| Stick | No | No |
| TIG | No | No |
| Spool gun ready | No | No |
| Wire sizes | 0.025 to 0.035 in | 0.024 to 0.035 in |
| Synergic settings | No | Yes |
| Build | ||
| Weight | 15 lb | 20.3 lb |
| Warranty | 3 years | 3 years |
| Released | - | 2026-05 |