Forney 40 P
#6 in Up to 45 AFull review
For buyers who want a Forney machine with US phone support for 1/2 in steel on either voltage. On price alone, other dual voltage pilot arc cutters do the same work for far less.
Amazon $1,630.08$1,630.08
3.1/5
For repair work on 230 V where hauling a compressor is a nuisance, cutting steel up to about 5/16 in. Buyers who already own a compressor get thicker cuts for less from a 40 A machine.
- 30 AOutput
- 5/16 inRated cut
- 60% at 30 ADuty cycle
- 240 VInput
Check price at Amazon$1,359
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Built-in compressor cuts without a shop compressor, and it takes external air too
- Cuts across gaps and expanded metal without retriggering
- Runs 30 A for 60% of the time
Cons
- Needs a 230 V outlet; no household plug option
- At 40 lb it is heavy for a 30 A cutter
- Only 5/16 in recommended cut
The Lincoln Tomahawk family
Every Lincoln Tomahawk model we rank, smallest first. Ratings compare each against its own size.
| Model | Output | Rating | Price |
|---|---|---|---|
| Lincoln Tomahawk 30 Air (this one) | 30 A | 3.1/5 | $1,359 |
| Lincoln Tomahawk 45 | 45 A | 3.3/5 | $1,639 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | K5457-1 |
|---|---|
| Cutting | |
| Input voltage | 240 V |
| Maximum output | 30 A |
| Rated cut, mild steel | 5/16 in |
| Sever cut, mild steel | 1/2 in |
| Rated duty cycle | 60% at 30 A |
| Pilot arc | Yes |
| Arc start | Blowback |
| Air and build | |
| Air supply | Built-in compressor |
| Weight | 40 lb |
| Warranty | 3 years |
Alternatives in this size
Lincoln Tomahawk 45
#7 in Up to 45 AFull review
A 230 V shop cutter for farm and fabrication work up to 1/2 in steel, from a big-name maker with dealer support. Buyers who need to cut on household power should look at dual voltage machines.
Amazon $1,639$1,639
Thermal Dynamics Cutmaster 30+
#9 in Up to 45 AFull review
A light, dual voltage cutter for home shops and auto body work up to 3/8 in steel, from an industrial brand with wide dealer support.
Amazon $1,450$1,450
Compare
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