Millermatic 142 vs Millermatic 252

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	Millermatic 252
Process	MIG (GMAW) and flux-cored (FCAW). Source	MIG (GMAW) and flux-cored (FCAW). Source
Output amp range	30–140 A. Source	30–300 A. Source
Rated duty cycle	100 A at 19 V, 60% duty cycle. 80 A at 18 V, 100% duty cycle. Source	200 A at 24 VDC, 60% duty cycle. 250 A at 26.5 VDC, 40% duty cycle. Source
Input voltage and plug	120 V, 20 A, single-phase, 50/60 Hz. Source	208/240 V, single-phase, 60 Hz, or 230/460/575 V, single-phase, 60 Hz. On the 208/240 V row, amps input at the 200 A, 60% rating are 57.0 A at 208 V and 50.8 A at 240 V. 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	Solid/stainless steel .023–.045 in. (0.6–1.2 mm). Flux-cored .030–.045 in. (0.8–1.2 mm). 12 in. spool. Source
Weight	33 lb. Source	205 lb. (93 kg). Source
Material thickness	Steel: 24 ga.–3/16 in. single pass. Aluminum: 18–14 ga. single pass. Source	Not published by manufacturer Source