Horizon 7.4 AT vs Horizon 7.8 AT

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

Spec	Horizon 7.4 AT	Horizon 7.8 AT
Running surface	22" × 60" running area. Belt 1.6 mm, silicone. Deck thickness 0.8" (20 mm). Source	22" × 60" running area. Belt 2.2 mm, silicone. Deck thickness 0.8" (20 mm). Source
Motor	Not published by manufacturer Source	Not published by manufacturer Source
Maximum user weight	350 lb Source	375 lb Source
Unfolded dimensions	76" × 37" × 63" Source	76" × 37" × 64" Source
Folded dimensions	42" × 37" × 71" Source	42" × 37" × 71" Source
Step-up height	8 3/4" Source	8 3/4" Source
Power	60Hz – 120V. Not compatible with GFCI outlets. Source	60Hz – 120V. Not compatible with GFCI outlets. Source
Incline	0–15% Source	0–15% Source
Speed	0.5–12 mph Source	0.5–12 mph Source
Machine weight	318 lb Source	330 lb Source