TR800-DT3 Under Desk Treadmill

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The TR800-DT3 under desk treadmill is the most affordable way to get more out of your standing desk, letting you burn more calories, as well as reducing stress and decreasing back pain. The compact design makes this LifeSpan treadmill a simple addition to your home office, fitting virtually anywhere. The portable console is small enough to sit discretely on your desktop while still keeping button controls at your fingertips.

Start walking towards better health with the budget-conscious TR800-DT3 standing desk treadmill.

*Standing desk sold separately.


small under desk treadmill

Small Under Desk Treadmill

  • Reduced footprint of 153.7 cm x 66 cm
  • Walking belt size of 114.3 cm x 45.7 cm

If space is a major concern, this small under-desk treadmill is for you. At a mere 153.7 cm in length, the newly-updated TR800-DT3 is the shortest office treadmill on the market. The reduced footprint lets you easily fit the treadmill base into areas of limited space while still supplying enough a large enough walking surface for varying stride lengths. If you plan on establishing a sit-to-stand workstation and need space to fit your under-desk treadmill alongside your chair, the TR800-DT3 may be the best choice. It’s 6.4 cm narrower than our other office treadmills and can easily be placed next to your office chair on most five or six-foot standing desks.

treadmill for standing desk

Compatible with Any Standing Desk

  • Reduced profile
  • Low step-up belt height of 9.5 cm

Further enhance the benefits of a standing desk by pairing it with a LifeSpan under desk treadmill. The DT3 portable console and compact TR800 treadmill base guarantee a seemless fit and easy placement under your stand-up desk or a LifeSpan standing desk. The treadmill will work with any desk, allowing for a 16.5 cm gap to accommodate the front of the treadmill. Keep in mind that the treadmill will add an addition 9.5 cm to your height, so you will want to make sure you desk allows for this addition while still maintaining proper ergonomic heights.

portable under desk treadmills

Transport wheels for easy storage

  • 2 Front-mounted transport wheels
  • Light weight, 43.5 kg. treadmill

Dual front-mounted transport wheels allow for easy setup and effortless storage. If your office is limited in space, when not in use, simply roll the treadmill out from under your desk for easy storage.

assembled treadmill desk

Fully Assembled Out of the Box

  • No assembly required
  • Small, portable console
  • Simple to use

Ready to use in just minutes, the TR800-DT3 is delivered fully-assembled out of the box. Simply roll it into position, plug in the power cord and console connector, and begin walking at your standing desk. It's that easy.


Recommended Use Light Use (3 hour average daily use)

Console: 31.75cm W x 7.6cm D x 5.1cm H
Treadmill: 152.6cm L x 66cm W x 16.5cm H

Console Dimensions 12.5” W x 3” D x 2” H (31.75cm W x 7.6cm D x 5.1cm H)
Step-Up Height

Belt: 9.5cm
Side Rails: 10.8cm

Belt Size 45.7cm W x 111.7cm L
Belt Type 2-Ply
Marked Belt With a motor so quiet, treadmill belt markings help you and coworkers identify when the belt is moving.
Drive Motor 2 HP High Torque Continuous Duty

0.64 - 6.4 KPH
(Max. Speed Can Be Set to 3.2 KPH if Desired)

Incline Not Available: Walking at an incline while working is not recommended by ergonomists as it takes your body out of a neutral position and places strain on your back and joints.
Deck Suspension 6 Independent Compression Shocks
Deck 1.9cm Phenolic Deck
Side Rails Non-Slip Plastic
Transport Treadmill has 2 front-mounted transport wheels for easy mobility.
Max. User Weight 215 lbs.
Average Amp Draw 3.05 Amps (91 kg. user @ 2 mph)
Product Weight

Treadmill: 43.6 kg
Console: 1.36 kg

Safety Certifications

Console: FCC and CE Certified

Shipping Dimensions Single Box: 64" L x 30" W x 9" H
Assembly No Assembly Required

Frame: Lifetime
Motor: 3 Years
Parts: 1 Year
Labor: 1 Year


Display Red LED display is easy to read even when positioned at an angle. Use the mode button to select which readout you want to view.
Console Readouts Distance traveled, calories burned, time, step count and belt speed
Personal Settings Tailor the treadmill desk to meet your needs. Set your preferred maximum speed to either 3.2 or 6.4 KPH, silence beeps and alerts, resume previous speed, switch units of measure, and more.
Intelli-Step™ Step counting feature works like a pedometer and counts your steps while you walk.
Intelli-Guard™ Your safety is important to us. Intelli-Guard automatically pauses the walking belt when you step off.
USB Charging Ports 1 USB charging port to charge your wireless mobile devices.

Owner's Manual (English)


WARNING: This product can expose you to chemicals such as cadmium and vinyl chloride that are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to