Lincoln Weld-Pak 90i FC vs Lincoln Weld-Pak 90i MIG

Last updated: November 1, 2026

The Lincoln Weld-Pak 90i MIG and the Lincoln Weld-Pak 90i FC are evenly matched, rated 3.2 and 3.1. The Lincoln Weld-Pak 90i MIG leads on processes. The Lincoln Weld-Pak 90i FC wins on value. The Lincoln Weld-Pak 90i FC costs $86.99 less ($328 vs $414.99).

Lincoln Weld-Pak 90i FC vs Lincoln Weld-Pak 90i MIG

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?

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 weightLincoln Weld-Pak 90i MIGLincoln Weld-Pak 90i FC
Overall rating3.2/53.1/5
Value 30%46 $3.46 per amp ($414.99, 120 A maximum)61 $2.73 per amp ($328, 120 A maximum)
Duty cycle 20%28 30% at 90 A, about 17% at full output28 30% at 90 A, about 17% at full output
Processes 15%40 MIG, flux-core0 Flux-core
Weight 10%100 15 lb100 15 lb
Warranty 25%50 3-year warranty on the machine50 3-year warranty on the machine

Specifications

Lincoln Weld-Pak 90i MIGLincoln Weld-Pak 90i FC
Output
Input voltage120 V120 V
Maximum output120 A120 A
Rated duty cycle30% at 90 A30% at 90 A
Thickest steel, one pass0.25 in0.25 in
InverterYes-
Processes and wire
Gas MIGYesNo
StickNoNo
TIGNoNo
Spool gun readyNoNo
Wire sizes0.025 to 0.035 in0.03 to 0.035 in
Synergic settingsNoNo
Build
Weight15 lb15 lb
Warranty3 years3 years

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