LifeSpan TR4000i

LifeSpan TR4000i
LifeSpan TR4000i
LifeSpan TR4000i

LifeSpan TR4000i

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  • Regular price $1,699.00
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*Build & Tune: Our in-house technicians will deliver your treadmill in the room of your choice, fully assembled and tested. The technicians will take all the packaging materials with them upon completion of the Build & Tune Delivery.

Runner's World, the folding TR4000i is a solid, durable and stable treadmill that supports serious runners. The 20" by 60" running surface is supported by a 1" deck and eight compression shock absorbers to provide cushioning that is safe for your knees, back and joints. To help track your workout, this treadmill automatically records your exercise data to a USB storage device. After your workout, simply upload your data to the LifeSpan Fitness Club, a comprehensive online health management program that is included with your purchase.


Belt Size20" W x 60" L
Drive Motor3.25 HP Continuous Duty DC
Belt Type2.8mm Upgraded Thick Belt
Incline Motor800 lbs. Maximum Lift
Rollers2.5" Front, 2" Rear
Speed0.5 - 12 MPH (Max. speed setting defaults to 2.0 MPH but can be set to 4.0 MPH if desired)
Incline15 Levels
Deck Suspension8 Independent Compression Shocks
Deck1" Phenolic
Folding SystemEZfold™
Side RailsAluminum Side Rails
DimensionsFull: 74.5" L x 32" W x 56" H Folded: 42" L x 32" W x 66.5" H
Step-Up Height8"
Max. User Weight350 lbs.
Product Weight226 lbs.
Safety CertificationsEN957 and UL Certified
Power RequirementsRequires a 115V NEMA 5-15 Non GFI Circuit
WarrantyFrame: Lifetime | Motor: Lifetime | Parts: 5 Years | Labor: 2 Year



3.25 HP Continuous-Duty Motor

15 Incline Levels

Speeds Up to 12 MPH

As durable as the open road itself, the TR4000i’s 3.25 hp continuous-duty motor takes all that you can give, then begs for more. Experience limitless potential with 15 levels of pulse-pounding incline and speeds up to 12 mph. The heart of your product, we put only the highest-quality, longest-lasting motors into every treadmill we produce. Rest assured, you’re getting the strongest, most durable piece of technology available.


20" by 60" Running Surface

8 Compression Shock Absorbers

The robotically-welded, all-steel frame is precision-engineered to simulate real-world conditions over miles of use, while the 20" by 60" running surface perfectly handles your favorite style of exercise. 8 compression shocks provide endless comfort for your knees, back and joints.


Get fit. Then get credit for your efforts on the app you already love. Whether you use MyFitnessPal, Strava, or countless others, the Active Trac app syncs your treadmill’s fitness data into the location of your choosing. Google Fit and Apple Health make it simple for both iPhone and Android smartphones, letting you track your progress exactly as you choose.

* Bluetooth-capable equipment requires a LifeSpan Bluetooth adapter, sold separately.


The effort stops the moment your workout is over. Simple to lift and easy to lower, the TR4000i’s EZfold technology utilizes a hydraulic shock to assist in folding and unfolding the treadmill. Simply lift the deck for a compact storage position, and when you’re ready, the soft-drop system supports the complete weight of the treadmill as it unfolds for safe, convenient use.


Display Area6" Blue Backlit LCD with simultaneous readouts, exercise program name and profile, and personal data from a USB device.
Audio CenterSpeakers and headphone plug-in.
Heart Rate MonitorContact heart rate sensors and chest strap receiver (chest strap included)
Cooling Fan3-speed cooling fan keeps you cool and comfortable to extend your workouts.
Programs2 heart rate programs, 2 customized user programs and 17 preset programs (5 weight management, 5 healthy living, 7 sports training).
Media HolderConveniently holds you phone or tablet just behind the control buttons for easy access and viewing.
USB PlusDual-purpose USB port charges your mobile devices (doesn't charge iPad 1, iPad 2, or iPad 3) and saves your exercise results to a USB drive for upload into your free Club account.
BluetoothOptional Bluetooth* receiver supports Active Trac™ and Train & Trac™ apps to get the most out of your workouts and automatically capture your results. It’s easy to install via the removable access panel on the back of the console. Installation allows you to wirelessly connect your treadmill to your Android device or iPad® to automatically synchronize your results with your LifeSpan Club account. * Only the LifeSpan Bluetooth adapter is compatible with the treadmill and can be purchased separately.
Console ReadoutsTime, calories, distance, steps, heart rate, speed, incline level, pace, and elevation change
Easy to UseIncludes 5 Quickset™ speed and 5 Quickset™ incline buttons for quick change of the incline or speed settings with fewer button presses.
Intelli-Step™This step counting feature works like a pedometer, automatically counting steps taken.
Intelli-Guard™This patented feature ensures safety by automatically pausing the belt 20 seconds after you step off the treadmill deck.
Intelli-Key™Simplifies console operation with sequential button illumination that prompts you through program selection and setup.