Hobart AirForce 27i
#5 in Up to 45 AFull review
A light dual voltage cutter for sheet metal and steel up to 3/8 in, with Hobart’s long warranty. Buyers who cut thicker steel should step up to the 40i.
Amazon $1,617.99 Cyberweld $1,565$1,565
3.3/5
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.
- 45 AOutput
- 1/2 inRated cut
- 45% at 45 ADuty cycle
- 240 VInput
Check price at Amazon$1,639
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Cuts 1/2 in steel cleanly and severs 3/4 in
- Cuts across gaps and expanded metal without retriggering
- Comes with a 20 ft torch for reaching around big work
- Gouging mode for removing welds
Cons
- Needs a 230 V outlet; no household plug option
- Full 45 A output runs less than half the time
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 | 30 A | 3.1/5 | $1,359 |
| Lincoln Tomahawk 45 (this one) | 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 | K5458-1 |
|---|---|
| Cutting | |
| Input voltage | 240 V |
| Maximum output | 45 A |
| Rated cut, mild steel | 1/2 in |
| Sever cut, mild steel | 3/4 in |
| Rated duty cycle | 45% at 45 A |
| Pilot arc | Yes |
| Arc start | Blowback |
| Air and build | |
| Air supply | 3.3 cfm, 80 psi |
| Weight | 28 lb |
| Warranty | 3 years |
Alternatives in this size
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
Lincoln Tomahawk 30 Air
#8 in Up to 45 AFull review
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.
Amazon $1,359$1,359
Compare
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