Lincoln Power MIG 140 MP
#5 in 120 VFull review
A 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 $1,178.99$1,178.99
The Lincoln Power MIG 140 MP rates 3.2 among 120 V MIG welders; the Lincoln Weld-Pak 180i MP DV rates 3.1 among dual voltage ones. The Lincoln Power MIG 140 MP costs $233.32 less ($1,178.99 vs $1,412.31).
Lincoln Weld-Pak 180i MP DV
#9 in Dual voltageFull review
A light dual voltage multiprocess welder for home shops that want 120 V portability and 230 V power in one box. Check the price against the Power MIG 215 MPi before buying.
Best Buy Auto Equipment $1,412.31$1,412.31
Prices were last checked November 3, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different input voltage classes (120 V and dual voltage), and each is scored against the reference points for its own class, so a rating says how well each does among its own input voltage peers. How we rank explains each factor.
| Factor weight | Lincoln Power MIG 140 MP | Lincoln Weld-Pak 180i MP DV |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 30% | 0 $8.42 per amp ($1,178.99, 140 A maximum) | 11 $7.85 per amp ($1,412.31, 180 A maximum) |
| Duty cycle 20% | 71 60% at 95 A, about 28% at full output | 34 30% at 165 A, about 25% at full output |
| Processes 15% | 100 MIG, flux-core, stick, lift TIG, takes a spool gun for aluminum | 100 MIG, flux-core, stick, lift TIG, takes a spool gun for aluminum |
| Weight 10% | 57 34.5 lb | 83 34.5 lb |
| Warranty 25% | 50 3-year warranty on the machine | 50 3-year warranty on the machine |
Specifications
| Lincoln Power MIG 140 MP | Lincoln Weld-Pak 180i MP DV | |
|---|---|---|
| Output | ||
| Input voltage | 120 V | 120/240 V |
| Maximum output | 140 A | 180 A |
| Rated duty cycle | 60% at 95 A | 30% at 165 A |
| Processes and wire | ||
| Gas MIG | Yes | Yes |
| Stick | Yes | Yes |
| TIG | Lift TIG | Lift TIG |
| Spool gun ready | Yes | Yes |
| Wire sizes | 0.025 to 0.045 in | 0.025 to 0.045 in |
| Synergic settings | No | No |
| Build | ||
| Weight | 34.5 lb | 34.5 lb |
| Warranty | 3 years | 3 years |
| Released | 2019-09 | - |