Millermatic 142 vs MIG285

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 142	MIG285
Process	MIG (GMAW) and flux-cored (FCAW). Source	The specifications table says output type MIG, lift TIG, and stick. The overview also names flux core. Source
Output amp range	30–140 A. Source	Max rated output: MIG 285 A, TIG 250 A, stick 250 A. The duty table prints MIG 285 A on 240 V and 120 A on 120 V, and stick and TIG 250 A on 240 V and 120 A on 120 V. Source
Rated duty cycle	100 A at 19 V, 60% duty cycle. 80 A at 18 V, 100% duty cycle. Source	MIG: 30% at 285 A on 240 V and 30% at 120 A on 120 V. Stick: 30% at 250 A on 240 V and 30% at 120 A on 120 V. TIG: 30% at 250 A on 240 V and 30% at 120 A on 120 V. Source
Input voltage and plug	120 V, 20 A, single-phase, 50/60 Hz. Source	1-phase, 120 V/240 V. Max inrush (I1max), columns MIG / stick / TIG: 120 V 34.2 / 42.5 / 25.3 A, and 240 V 57.4 / 53.5 / 35.7 A. Max rated (I1eff): 120 V 18.7 / 23.3 / 13.9 A, and 240 V 27.4 / 29.3 / 19.6 A. Source
Wire or rod size	Set up for .024–.035 in. (0.6–0.9 mm) solid wire and .030–.045 in. (0.8–1.2 mm) flux-cored wire. Uses 4- or 8-inch spools. Source	Not published by manufacturer Source
Weight	33 lb. Source	The page says “weighing under 60 lbs.” It does not print a single net-weight number. Source
Material thickness	Steel: 24 ga.–3/16 in. single pass. Aluminum: 18–14 ga. single pass. Source	The overview says the 285 A output can weld materials up to 5/8 inch thick. Source