NordicTrack Commercial 1750 vs LifeSpan TR1200i

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

Spec	NordicTrack Commercial 1750	LifeSpan TR1200i
Running surface	22 × 60 in belt (55 × 152 cm) Source	20" W × 56" L belt. Deck 3/4" phenolic with brace. Belt type 2-ply. Source
Motor	4.25 CHP Source	2.5 HP continuous-duty DC Source
Maximum user weight	400 lb (182 kg) Source	300 lb (136.07 kg) Source
Unfolded dimensions	77.3" L × 37.0" W × 59.5" H (196.3 × 94.0 × 151.1 cm) Source	70.25" L × 33" W × 55" H Source
Folded dimensions	44.2" L × 37" W × 69" H Source	39" L × 33" W × 63" H Source
Step-up height	10.0" (25.4 cm) Source	8.25" Source
Power	Not published by manufacturer Source	115V NEMA 5-15 non-GFI circuit. The page says not to plug into a GFI outlet or circuit. Source
Incline	−3% to 12% Source	15 levels Source
Speed	0–12 MPH (0–19 KPH) Source	0.5–11 MPH Source
Machine weight	Not published by manufacturer Source	221 lb Source