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Horizon 7.4 AT: What to Know
The 7.4 AT sits in Horizon's Studio Series line, and the specs on both Horizon's own product page and the verified Amazon listing line up cleanly with each other, which wasn't true of every treadmill we checked for this guide. It's built around a RapidSync 3.5 CHP drive motor, with a stated 33% faster response on speed and incline changes versus Horizon's prior drive system. Speed runs from 0.5 to 12 mph, and incline goes up to 15%, there's no decline function, which is worth knowing if that's a feature you specifically want (the NordicTrack Commercial 1750 on this list does offer decline).
The running surface is a 22-inch by 60-inch deck, tied for the largest in this comparison, with Horizon's 3-zone Variable Response Cushioning intended to vary shock absorption across the length of the belt. Maximum user weight is listed at 350 pounds. Controls run through Horizon's QuickDial system, physical dials for quick speed and incline changes without breaking stride, plus programmable Interval Keys and preset workouts including the Sprint 8 HIIT protocol.
The console itself is an 8.25-inch LCD screen, not a touchscreen, paired with built-in Bluetooth speakers, an audio jack, and a device holder. This is the key distinction from the NordicTrack, Bowflex, and Peloton entries on this list: the 7.4 AT doesn't run a proprietary content platform at all. Horizon and its parent company (Nautilus, which also owns Bowflex) confirm that this Studio Series treadmill connects over Bluetooth to whatever fitness or streaming apps you already have on your own phone or tablet, Peloton's app, Zwift, or otherwise, rather than bundling something like JRNY or iFIT. Horizon backs the frame and motor with a lifetime warranty, plus 5 years on parts and 2 years on home labor.
The practical upshot: if what you want is a large, well-cushioned deck and a genuinely wide incline range with zero ongoing cost, this is the strongest fit on this list. If you specifically want an integrated touchscreen with built-in classes, look at the NordicTrack, Bowflex, or Peloton entries instead.
Key Listed Features
3.5 CHP RapidSync motor; 0.5-12 mph speed range
0-15% incline (no decline); 22" x 60" deck with 3-zone cushioning
8.25" LCD console with Bluetooth speakers, no proprietary subscription platform
Lifetime frame/motor warranty, 5-year parts, 2-year home labor
