78 × 38 in openNautilus T618 Treadmill
A solid 3.5 CHP treadmill from the Bowflex parent company, sold off as the brand wound down.
We haven't written a full review of the Nautilus T618 yet. Everything here comes from the manufacturer's specs and our rating formula, which treats every machine the same way. A full review follows after we've tested one.
How we rated the Nautilus T618
- Motor and deck
- 4.9
- 3.5 CHP, 20 x 60 in belt, 350 lb limit
- Incline and features
- 4.3
- 15% incline, 12 mph top speed
- Warranty
- 2.5
- One year of cover, the bare minimum
- Fits a home
- 3.7
- 78 x 38 in open, folds
- Value
- 3.7
- Fair for what you get
Our rating is out of 5 and uses the same formula for every machine in a category: motor and deck, features, warranty, how well it fits a home, and value for the typical price. Until we bench test a machine, the score comes from its published specs. How we rate
What we measure
Bench test scheduledWe haven't measured this one yet. When our unit is set up, it gets the same checks as every machine, and the results go here:
- Noise from 3 ft at 3, 6, 9 and 12 mph
- Incline at the top setting, with a digital level
- Watts at the wall, idle, walking and running
- Assembly time for one person
- Folded size, measured with a tape
Floor plan, from the maker's dimensions
Nautilus T618 specs
| Specification | Nautilus T618 |
|---|---|
| Motor | 3.5 CHP |
| Belt | 20 x 60 in |
| Speed | 0–12 mph |
| Incline | 15% |
| User weight limit | 350 lb |
| Footprint (L × W × H) | 78 × 38 × 64 in |
| Folded | Folds |
| Console | Dual LCD, Bluetooth |
| Warranty | Expired for most units |
| Status | Discontinued · sold 2017–2023 |
Manufacturer's published specs. We check dimensions with a tape when our unit arrives.
How it compares
Swipe sideways to see every model
| Nautilus T618(this review) | Bowflex T6 | Horizon 7.0 AT | |
|---|---|---|---|
| Our rating | 3.6 / 5 | 4.3 / 5 | 4.4 / 5 |
| Typical price | $1,599 | $1,099–1,499 | $999–1,399 |
| Motor | 3.5 CHP | 3.0 CHP | 3.0 CHP |
| Belt | 20 x 60 in | 20 x 60 in | 20 x 60 in |
| Top speed | 12 mph | 12 mph | 12 mph |
| Incline | 15% | 15% | 15% |
| Weight limit | 350 lb | 400 lb | 325 lb |
| Footprint | 78 × 38 in | 78 × 35 in | 76 × 36 in |
| Folds | Yes | Yes | Yes |
| Warranty | Expired for most units | 15 yr frame and motor, 3 yr parts, 1 yr electronics and labor | Lifetime frame and motor, 3 yr parts, 1 yr labor |
Manufacturer specs. Measured noise is added once we've tested a machine.