Hobart IronMan 240
#4 in 240 VFull review
A shop MIG for farm, trailer and fabrication work on thick steel. It is for buyers who weld for hours and have a 240 V circuit.
Cyberweld $2,259.99$2,259.99
The Hobart IronMan 240 is the better MIG welder overall, rated 3.1 to 2.6. The Hobart IronMan 240 leads on warranty and value. The Miller Millermatic 255 wins on weight. The Hobart IronMan 240 costs $2,092.01 less ($2,259.99 vs $4,352).
Miller Millermatic 255
#7 in 240 VFull review
A professional shop MIG for fabricators who weld thick steel and aluminum all day. It is overkill for weekend repairs.
Amazon $4,352$4,352
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?
- Choose the Hobart IronMan 240 for warranty (5-year warranty on the machine vs 3-year warranty on the machine) and value ($8.07 per amp ($2,259.99, 280 A maximum) vs $12.43 per amp ($4,352, 350 A maximum)).
- Choose the Miller Millermatic 255 for weight (84 lb vs 186 lb).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 240 V MIG welder; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hobart IronMan 240 | Miller Millermatic 255 |
|---|---|---|
| Overall rating | 3.1/5 | 2.6/5 |
| Value 30% | 18 $8.07 per amp ($2,259.99, 280 A maximum) | 0 $12.43 per amp ($4,352, 350 A maximum) |
| Duty cycle 20% | 27 60% at 200 A, about 31% at full output | 15 60% at 230 A, about 26% at full output |
| Processes 15% | 60 MIG, flux-core, takes a spool gun for aluminum | 60 MIG, flux-core, takes a spool gun for aluminum |
| Weight 10% | 0 186 lb | 60 84 lb |
| Warranty 25% | 100 5-year warranty on the machine | 50 3-year warranty on the machine |
Specifications
| Hobart IronMan 240 | Miller Millermatic 255 | |
|---|---|---|
| Output | ||
| Input voltage | 240 V | 240 V |
| Maximum output | 280 A | 350 A |
| Rated duty cycle | 60% at 200 A, 40 °C | 60% at 230 A, 40 °C |
| Thickest steel, one pass | 0.5 in | 0.5 in |
| Inverter | - | Yes |
| Processes and wire | ||
| Gas MIG | Yes | Yes |
| Stick | No | No |
| TIG | No | No |
| Spool gun ready | Yes | Yes |
| Wire sizes | 0.023 to 0.045 in | 0.023 to 0.045 in |
| Largest spool | 45 lb | - |
| Synergic settings | No | Yes |
| Build | ||
| Weight | 186 lb | 84 lb |
| Warranty | 5 years | 3 years |
| Released | - | 2019-02 |