Millermatic 255 vs IronMan 240

Same fields. Each cell is that model's published text. A blank stays "Not published by manufacturer." The outlet chip does not hide either column.

Spec	Millermatic 255	IronMan 240
Process	MIG (GMAW), pulsed MIG (GMAW-P), and flux-cored (FCAW). Source	MIG and flux-cored. Spool-gun connection is described for aluminum wire. Source
Output amp range	20–350 A. Source	30–280 A. Source
Rated duty cycle	230 A at 25.5 V, 60% duty cycle. Source	200 A at 24 VDC, 60% duty cycle. Source
Input voltage and plug	208–240 V, single-phase. Auto-Line 208–575 V, single-phase. The quick specs do not print input amperes. Source	208 V and 240 V. Amperes input at rated load: 57.0 A at 208 V and 50.8 A at 240 V, on the 200 A, 60% row. A power cord with plug is included. The plug is not named. Source
Wire or rod size	Not published by manufacturer Source	The gun note on the sheet says .023–.045 in. (0.6–1.1 mm) wire, and the included drive roll is a dual-groove .030/.035 in. roll. Wire feed speed is 50–700 ipm. Source
Weight	Machine only: 84 lb. (38 kg). Machine with running gear: 148 lb. (67 kg). Source	186 lb. Source
Material thickness	Not published by manufacturer Source	Mild steel thickness range 24 ga.–1/2 in. (13 mm). Source