Sole F63 vs LifeSpan TR1200i

Each cell is that model’s published text. A blank in the source stays “Not published by manufacturer.”

Spec	Sole F63	LifeSpan TR1200i
Running surface	20" × 60" running surface. Deck 18 mm (0.7 inch). Belt 2-ply, 1.6 mm. Source	20" W × 56" L belt. Deck 3/4" phenolic with brace. Belt type 2-ply. Source
Motor	3.0 HP Source	2.5 HP continuous-duty DC Source
Maximum user weight	325 lb Source	300 lb (136.07 kg) Source
Unfolded dimensions	75" L × 34" W × 52" H Source	70.25" L × 33" W × 55" H Source
Folded dimensions	42" L × 34" W × 71" H Source	39" L × 33" W × 63" H Source
Step-up height	Not published by manufacturer Source	8.25" Source
Power	120-volt, 15-amp grounded outlet, with only the treadmill plugged into the circuit Source	115V NEMA 5-15 non-GFI circuit. The page says not to plug into a GFI outlet or circuit. Source
Incline	0–15% on the product feature card. Full specifications list elevation as 0–15 levels. Source	15 levels Source
Speed	0.5–12 mph Source	0.5–11 MPH Source
Machine weight	187 lb unit weight Source	221 lb Source