Head to head
Sole TT8 vs Sole F85 (2027): Fixed Flagship or Folding Flagship?
Sole against Sole: the TT8's fixed deck and wider grades versus the F85's fold and touchscreen, for runners deciding within the brand.

Sole TT8 Treadmill vs Sole F85 Treadmill: the specs, side by side
| Spec | Sole TT8 Treadmill | Sole F85 Treadmill |
|---|---|---|
| Motor | 4.0 CHP | 4.0 CHP |
| Speed range | 0.5-12 mph | 0.5-12 mph |
| Incline | -6% to 15% | 0-15% (decline on select newer versions) |
| Belt size | 60 x 22 in | 60 x 22 in |
| Capacity | 400 lb | 375 lb |
SoleSole TT8 Treadmill
Sole's fixed-deck flagship: 4.0 CHP, decline, and light-commercial bones.
- Motor: 4.0 CHP
- Speed range: 0.5-12 mph
Sources: Sole TT8 product documentation, Amazon listing specifications
Check price on Amazonor add to your Amazon cart
SoleSole F85 Treadmill
The folding Sole flagship with a touchscreen and Cushion Flex deck.
- Motor: 4.0 CHP
- Speed range: 0.5-12 mph
Sources: Sole F85 product documentation, Amazon listing specifications
Check price on Amazonor add to your Amazon cartOur recommendation
Same motor class, same deck family, one decision: permanence or flexibility. The TT8 is the better running machine in the abstract, with decline, rigidity, and the higher capacity. The F85 is the better household machine when the room is shared, adding a fold and a modern screen. Let the room vote first, then the runner.
Grade span and rigidity
TT8 runs -6% to 15% on a frame that cannot flex at a hinge because it has none. The F85 matches the 15% climb (decline only on select versions) and folds, which is either its genius or its compromise depending on your space.
Console generations
The F85's touchscreen model years mirror content and run apps; the TT8 keeps a workmanlike console with Bluetooth. Entertainment-first runners lean F85; mileage-first runners stop noticing consoles by week two.
Choose Sole TT8 Treadmill if…
- You have a dedicated space and daily mileage
- Decline training matters to your goals
- You want the highest capacity in the line
Choose Sole F85 Treadmill if…
- The room must sometimes be a room again
- You want a touchscreen without leaving Sole
- Two runners share the machine and the space
FAQ
Questions, answered straight
Is the F85 deck the same feel as the TT8?
Both use Sole's Cushion Flex approach and owners describe them in the same terms. The TT8's fixed frame removes the last hint of movement at very high mileage efforts.