Lifespan TR5000-DT3 Under Desk Treadmill

2021 SALE: Get 7% off till Midnight! Use code: SAVE07
Lifespan TR5000 DT3 is a premium under the desk treadmill. It was designed for the most demanding office settings. Specifically made for all day shared use, this treadmill can take whatever you can throw at it. It has a whisper quiet motor that is perfect for office use and its compact design can fit under any standing desk.


Upgraded from the TR1200 is a 3 horsepower motor, a maintenance free belt, and aluminum side rails, making this Lifespans heaviest duty treadmill. Included is the handy console that can easily fit on top of your desk. It tracks steps, distance, time, calories and speed. Spruce up your standing desk experience with a treadmill from Lifespan, its a decision you will not regret.

  • TR5000 treadmill base for use with an existing height adjustable desk
  • Suitable for up to 10 hours use per day
  • Ideal model for offices, shared spaces and the dedicated treadmill desker. 
  • Requires little to no maintenance 
  • Fitted with a DC motor for quieter performance – the ideal choice for offices and shared spaces..



  • Protects flooring including hardwood, tile, and carpeting
  • Absorbs equipment vibration and noise
  • Easy-clean, non-skid surface


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


  • Heavy Duty Construction -High mileage, maintenance free belt and wear resistant aluminum side rails.
  • Low Profile Design -Easily fits under most standing desk stations.
  • Mobile -Easily move your treadmill with the front two transport wheels.
  • Fully Assembled -No complicated instructions or messy set up, this treadmill is ready to go out of the box.
  • Whisper Quiet -3 horsepower commercial grade motor is quiet enough to use in your office without disturbing your coworkers.
  • Noise Dampening Shocks - Further dampen the noise of your treadmill with the 6 impact absorbing shocks.
  • Superior Craftsmanship - Heavy duty construction supports up to 400 pounds.

Lifespan TR5000 DT3 Built In Quality Materials


Manufacturer Lifespan
Model Number TR5000 DT3
Width 28.5 inches
Length 63 inches
Step Up Height 4.6 inches
Belt Size
20 inches x 50 inches
Motor 3 horsepower continuous duty
Speed Range
0.4-4.0 miles per hour
Max User Weight
400 lbs.
Weight 119 lbs.
Warranty Frame: Lifetime
Motor: 3 Years
Parts: 2 Years
Labor: 1 Year



Lifespan TR5000 DT3 Low Step-Up Height


Lifespan TR5000 DT3 Dimensional Illustration Lifespan TR500 DT3 Dimensional Illustration


The Lifespan TR5000 DT3 is easy to use and comes fully assembled out of the box, but for more detailed information, please reference the Lifespan TR5000 DT3 Owners Manual.

We know you have a choice in online shopping, and we want to do all that we can do to earn your business. We not only want to earn it, but we want to keep it as well!. Here are the top reasons to buy from 

Manufacturer Direct
As an online based store, we ship directly from our wholesaler warehouses, which means we can pass the savings directly to our customers.

Lowest Prices Guaranteed
We work tirelessly to ensure we have the lowest prices in the online market for our range of products. We're that confident that we'll beat any competitor's price by 10%. Check out our Best Price Guarantee policy.

Fast Dispatch
Orders are dispatched usually within 2 business days(post order processing & handling). You'll get an email confirmation of shipping with tracking ID when your order leaves our warehouse.

Secure Payments
Our online store is Shopify-based with SSL Encryption on all our pages, content and data. This simply means you're always safe when shopping with us.

12-24 Month Manufacturer's Warranty
All our products come with a 12-24 month manufacturer's warranty.

Dedicated Customer Support
Our dedicated team of specialists are available 7 days a week to answer your queries. Talk to us by phone, email or live chat!


Please note that shipping charges includes delivery to the front of your house only. Please consider planning ahead if the items you order are heavy/large to get them to their desired location.

We process all website orders Monday - Friday between 9AM and 4PM. Orders placed over the weekend or after hours will be processed the following business day unless otherwise stated.

Order Confirmation

As soon as you place the order, an order confirmation will be emailed to you. This means we have received your order and payment. Payment is captured as soon as the order is placed. In rare cases, if the product is on backorder or unavailable, we will contact you and ask if you would like to wait for the product to become available, switch your product, or have your payment refunded. If the item is available for immediate shipment (1-3 business days) we will submit the order for processing and arrange shipment.

Order Shipment

Most products ship within 1 to 3 business days from the date of your order (unless indicated on the product page). Some items take a bit longer to ship since they are built to order. We will send you tracking information as soon as it is available. If you do not receive tracking info within 7 business days of your order, feel free to follow up with us via email by responding to any of the emails that we sent you.

U.S. Shipping

We are based in Sheridan, Wyoming with warehouses nationwide. We offer FREE shipping on most products in the lower 48 states (sometimes to HI and AK, too) via FedEx, UPS, USPS or other major couriers (product/brand dependent). Expedited shipping is usually available for an extra cost. Contact us before your purchase if you prefer an expedited shipping method.

After the order is processed, allow 2 to 7 business days for the product(s) to reach you if shipped to a U.S. address. We can ship to PO boxes, except when shipped via UPS.

International Orders

Nearly all of our brands can be shipped internationally using FedEx, UPS, USPS, DHL or other couriers. Most quotes can be obtained at checkout. If not, please email us to receive a shipping quote for lights shipped outside of the USA. You may also place an order on our online store for items that require a quote and we will notify you via email on the exact shipping costs. 

Some items/brands can be shipped for free.

Please note that when ordering internationally (i.e. outside of the United States) you may be charged duties & taxes depending on the product you ordered. It is the customer's responsibility to check duty & tax laws before ordering. It may be necessary to contract a customs broker to facilitate bringing a product into any country – this is the customer’s responsibility.


If you wish to cancel and order between the time of order placement and when it ships out, you may do so. However, up to a 25% order cancellation charge will be deducted from your payment. If your order has already shipped, and you want to cancel the order, the order will be treated like a return (see return policy link below). All sales are final for Lifespan products (no refunds).

Please note that for made to order items, we can not accept returns or cancellations.


It is our policy to only accept returns and make exchanges within 30 days of the date that an order was delivered (some exceptions do apply, please consult the manufacturers and view the table below for per-product return policies). For a successful return, the order must be in original factory condition and include original packaging, warranty information, manuals, accessories, and anything else it came with. If the item is damaged in any way, the product will not be available for a full refund. Depending on the product, there may be a restocking fee. Customers are responsible for restocking fees as well as return shipping.

*Please note that for made-to-order items, we cannot accept returns or cancellations.*

Customer Reviews

Based on 1 review
A Serious Treadmill!

I can definitely tell the difference in quality/performance between this treadmill and the last one I had. Very happy with my purchase.