We compare the LifeSpan TR4000i Folding Treadmill vs NordicTrack C 990 Treadmill side by side in depth, here is the comparison table.

LifeSpan TR4000i Folding Treadmill
|
NordicTrack C 990 Treadmill
|
 |
 |
Spec Comparison of LifeSpan TR4000i Folding Treadmill and NordicTrack C 990 Treadmill
 |
 |
Our rating:  |
Our rating:  |
Type |
Treadmill |
Treadmill |
Max User Weight |
-
350 lbs
|
-
300 lbs
|
Motor HP |
-
3.25 HP
|
-
3.0 HP
|
Incline |
0 – 15% |
0 – 12% |
Decline |
– |
– |
Deck/Running Area |
20″ x 60″ |
20″ x 60″ |
Speed Range |
- Min Speed 0.5 mph
- Max Speed 12 mph
|
- Min Speed 0 mph
- Max Speed 12 mph
|
Folding |
|
|
Programs |
-
17
|
-
32
|
Heart Rate Monitor |
My Zone Heart Rate (2 Programs) |
- Pulse Grips
- Wireless Chest Strap
|
Dimensions |
74.5″ x 32″ x 56″ |
78.3″ x 35.75″ x 56.4″ |
Display and Controls |
Blue Backlit LCD |
7″ full color touch screen |
Speakers |
|
|
Cooling Fans |
|
|
Warranty |
- Labor Warranty: 2 Years
- Parts Warranty: 5 Years
- Motor Warranty: Lifetime
- Frame Warranty: Lifetime
|
- Labor Warranty: 1 Years
- Parts Warranty: 3 Years
- Motor Warranty: Lifetime
- Frame Warranty: Lifetime
|
 |
 |