Up to 45 A covers sheet metal, car bodies and steel up to about 1/2 in. Most run on a 120 V outlet, many on 240 V too, and they need a modest compressor, so they suit a home garage.
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Full ranking 12
- Hobart AirForce 40i#1 of 12Full review
A light dual voltage cutter for farms and shops that cut steel up to 5/8 in, backed by Hobart’s long warranty. Hobby users on a budget can get similar cut ratings for much less.
Cyberweld $2,009 Welding Supplies from IOC $2,095$2,00940 A5/8 in60% - Hypertherm Powermax 45 SYNC#2 of 12Full review
A professional 45 A cutter for fabrication shops and farms with a 240 V circuit that cut 5/8 in steel regularly. Pick it for long consumable life and easy setup, not low price.
Amazon $2,940 Welder Supply $2,785$2,78545 A5/8 in50% - Hypertherm Powermax 33 XP#3 of 12Full review
A compact, dual voltage cutter for home shops and repair work that cut up to 1/2 in steel. It costs more than import brands but brings Hypertherm consumable life and a six year warranty.
Amazon $1,595 Welder Supply $1,384$1,38433 A1/2 in35% - Miller Spectrum 625 X-TREME#4 of 12Full review
A light, dual voltage Miller cutter for shops and job sites that cut up to 5/8 in steel day after day. Worth it for buyers who value Miller build and dealer service; hobby users can pay much less.
Amazon $2,917.20 Cyberweld $2,508$2,50840 A5/8 in60% - Hobart AirForce 27i#5 of 12Full 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$1,56530 A3/8 in40% - Forney 40 P#6 of 12Full 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$1,630.0840 A1/2 in50% - Lincoln Tomahawk 45#7 of 12Full 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$1,63945 A1/2 in45% - Lincoln Tomahawk 30 Air#8 of 12Full 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$1,35930 A5/16 in60% - Thermal Dynamics Cutmaster 30+#9 of 12Full 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$1,45030 A3/8 in40% - Hobart AirForce 12ci#10 of 12Full review
For sheet metal, HVAC and body work where carrying a compressor is not practical. Anyone with a compressor gets far more cutting for the money from a 30 to 40 A machine.
Amazon $1,012.99 Cyberweld $1,011$1,01112 A1/8 in35% - Miller Spectrum 375 X-TREME#11 of 12Full review
A small, light Miller cutter for sheet metal, HVAC and body work up to 3/8 in, on either voltage. It suits buyers who want a big-brand machine and dealer support over the lowest price.
Amazon $2,141 Cyberweld $1,940$1,94030 A3/8 in40% - Forney Easy Cut 255#12 of 12Full review
For occasional auto body, HVAC and thin sheet cutting on a 120 V outlet. Anyone cutting plate should buy a larger dual voltage machine.
Amazon $399.99$399.9920 A3/16 in35%
