Thunderbolt 210 MV vs Unlimited 140

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	Thunderbolt 210 MV	Unlimited 140
Process	Stick (SMAW). Source	GMAW/FCAW, SMAW, and GTAW. Source
Output amp range	120 V: 10–110 A. 240 V: 10–210 A. Source	GMAW/FCAW 30–140 A. SMAW 30–75 A. GTAW 20–110 A. Source
Rated duty cycle	120 V: 65 A at 60% duty cycle and 50 A at 100% duty cycle. 240 V: 135 A at 60% duty cycle and 105 A at 100% duty cycle. Source	GMAW/FCAW 30% at 90 A. SMAW 40% at 75 A. GTAW 20% at 110 A. Source
Input voltage and plug	1-phase power, 120 V or 240 V, 50/60 Hz. Maximum amps input at rated load output: 27.8 A at 120 V and 44.9 A at 240 V. The cord includes multi-voltage plugs for 120 V and 240 V. Source	120 VAC / 60 Hz. Current input: GMAW/FCAW 21 A, SMAW 21.3 A, GTAW 20.5 A. Source
Wire or rod size	Not published by manufacturer Source	Solid core .025 / .030 / .035 in. Flux-cored .030 / .035 in. Wire speed 80–275 IPM. Spool capacity up to 12 lb. Source
Weight	13 lb. Source	Not published by manufacturer Source
Material thickness	Maximum mild steel thickness: 120 V, 1/8 in. 240 V, 1/2 in. Source	Not published by manufacturer Source