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NordicTrack T Series

  • Based on 32,122 reviews
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Availability: Only 10 left in stock, order soon!
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Arrives Feb 13 – Feb 14
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Style: T Series 6.5S


Color: Black


Features

  • [5" LCD Display & Device Shelf] - See your live workout stats on the clear 5 LCD display or use your own device to follow iFIT trainers and automatically control your treadmill, all from your phone or tablet. (Train Membership Required)
  • [0-10 MPH] - Run, jog, or walk at speeds of up to 10 MPH. Perfect for home workouts, cardio training, and endurance building.
  • [0-10% Incline] - Boost calorie burn and target more muscle groups with a 010% incline range.
  • [KeyFlex Cushioning] - Reduce joint impact while walking or running. This treadmill with cushioning supports smoother strides and improves comfort for daily use.
  • [Foldable & Compact] - The folding frame makes this treadmill ideal for small spaces. When you're done, fold it and roll it away. Press the foot bar for smooth, assisted lowering.
  • [Powered by iFIT] - With the iFIT Train Membership*, access over 10,000 workouts on your smart treadmill. Just press start, and your machine auto-adjusts to match the trainers pace and terrain. SmartAdjust will scale any workout up or down based on your fitness level. (Train Membership Required)
  • [HeartRate Control with ActivePulse] - ActivePulse uses your Bluetooth-enabled HR monitor (sold separately) to keep you in the ideal heart rate zone, automatically adjusting speed and incline for better results. (Train Membership Required)
  • [SmartAdjust] - iFITs SmartAdjust automatically adapts your treadmills speed and incline in real time based on your workout history and performance. The more you train, the more your workouts evolve. (Train Membership Required)
  • [Sync with Fitness Apps] - Connect your treadmill to Strava, Garmin, and Apple Health to sync your heart rate, distance, and calories burned across all platforms. (Train Membership Required)
  • [Personalized AI Coaching] - Interact with iFIT AI Coach via SMS for personalized guidance and insights to help you achieve your fitness goals. AI Coach can create workout plans and have your next workout loaded to your equipment home screen, offer tips for recovery, and more! (Train Membership Required)

Description

Experience the power of smart, connected training with the NordicTrack T Series treadmills—crafted to bring premium performance, comfort, and motivation to every workout. Each model features a clear workout display, a built-in device shelf for streaming your favorite workouts or entertainment, and a space-saving footprint that fits seamlessly into your home. With speed ranges up to 12 MPH and incline options up to 12%, you can simulate everything from easy walks to challenging hill climbs, helping you build strength, stamina, and confidence. SelectFlex™ and KeyFlex™ cushioning systems allow you to choose the level of impact control that feels right for you—so whether you prefer soft, joint-friendly support or a firmer, road-running feel, you can train your way.

Specs & Other Info

Specification Details
Manufacturer iFIT Health & Fitness
Brand NordicTrack
Model Name NTL17915
Product Line T Series 6.5S
Color Scheme Black and Gray
Dimensions (L x W x H) 73.5" x 36" x 54"
Product Weight 203 lbs
Construction Material Alloy Steel
Top Speed 10 MPH
Feature Highlight Automatic Incline
Intended Uses Running
Display Type LCD
Power Requirement Corded Electric (400 Watts)
Inclusion Treadmill
Supports Weight Up To 300 lbs
Running Deck Size (LxW) 55" x 20"
Speed Rating 10 miles per hour
Warranty 10-Year for Frame, 2-Year for Parts, 1-Year for Labor

Frequently asked questions

Yes, the NordicTrack T Series treadmill is designed for easy folding. This treadmill features a hydraulic lift and drop system that helps you fold and unfold your machine safely and with minimal effort. It makes it a very convenient option for home use, especially if you are short on space.

Absolutely. The NordicTrack T Series treadmill is Bluetooth enabled. This means you can connect your smartphone or tablet to the treadmill and take advantage of interactive personal training that is directly powered through your device.

Yes, the treadmill includes an automatic incline adjustment feature. With the simple touch of a button, you can increase the incline level to simulate hills and add variety to your workouts. This feature can help you burn more calories and tone your muscles effectively.

Yes, the NordicTrack T Series is suitable for walkers of all fitness levels. Whether you're a casual stroller or a power walker, this treadmill can accommodate your needs. It offers a comfortable and cushioned deck that minimizes impact to your joints, making it ideal for long or short walking sessions.

Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.


The NordicTrack T 6.5 Si Treadmill with a 1 Year iFit Membership received good reviews overall with some praises for its quality, minimal noise, and useful features. The iFit membership was also reviewed positively, enabling users to track individual workouts and enjoy running virtual trails. However, there were some difficulties reported with assembly and issues with the machine's software.

Pros

  • 👍 High-quality build materials and sturdy design
  • 👍 Minimal noise during use
  • 👍 Comes with a purposeful iFit membership
  • 👍 Impressive feature range and functionality
  • 👍 Good customer service from ICON services

Cons

  • 👎 Assembly can be complex and typically requires two people
  • 👎 Some software issues were reported
  • 👎 Heartbeat sensors may not work as effectively as desired
  • 👎 Machine comes software "Locked" which may cause frustration for some users

Should I Buy It?

If you're looking for a trust-worthy and stable treadmill with a wide range of features and don't mind the complex assembly or the extra step of unlocking the machine, the NordicTrack T 6.5 Si Treadmill could be a solid choice. Consider your own technical ability and patience in dealing with potential software issues before purchasing.


  • Good Machine, Beware the Bloatware.
Style: T Series 10 Color: Black
The T10 Treadmill from Nordictrack is an awesome upgrade from the 20 year model we had. They are sturdy, reliable and overall, well built machines. IFit, on the otherhand, is comparable to the bloatware loaded on phones and computers. In a never ending race toward subscription eternity, Nordictrack requires an iFit pro membership to use regular subscription fee apps on their system. On top of that, their membership is about $40 a month. You'll need paid subscriptions to Netflix, Primevideo, and/or Spotify in addition if you wantntonwatch those. You can still use the treadmill without an iFit paid membership but I wonder how long that will last.I use an android tablet slung over the treadmill screen if I want to watch videos or use my phone and wireless earbuds to listen to Spotify. Nordictrack would be smart to make these apps free to use on their system. Next time someone asks my opinion about Nrodictrack equipment, I may be more inclined to tell them to shop around for a brand that is less inconvenient. Overall, it doesn't diminish the quality of the machine itself. But a company that creates inconveniences for those that don't pay, that are easy enough to get around, you have to wonder how long until they disable your machine for a fee. It certainly "updates" itself enough. Just my $0.02. Again, an excellent machine that does the job well at a decent cost. Just don't fall prey to the extra expense of the gimmicks. ... show more
Reviewed in the United States on January 26, 2026 by Justin M.

  • Great machine. Does exactly what it says it will do
Style: T Series 6.5S Color: Black
Easy to set up and start using. Great display that doesn't distract from your workout. I love the aux port so I can listen to audiobooks through the speakers while I walk. It isn't overly loud (though it does make noise) and even at my age (late 40s) it doesn't hurt my knees to walk for a long period of time on the machine. I like the handles and plan to use a mobile desk option to get a little work done while on it. The base seems long enough to do that. It's sturdy and stable and takes up less room than models meant for a fitness center. Great value for the cost. ... show more
Reviewed in the United States on January 23, 2026 by Kindle Customer

  • Worth the money
Style: T Series 6.5S Color: Black
For starters, very very heavy, which is great honestly, the parts are definitely made to last, very high quality hardware. You will need help to bring it inside, it weighed at least 300 lbs. Not the most compact when it folds up, but compact enough to save some space anyway. Surprisingly quiet, I can walk or jog at night while everyone else is sleeping, so thats a plus I didn't expect. Definitely good to last for a long while depending on your goals, I mostly use it for walking but good enough for jogging. Only complaint I have is on the packaging for the bolts and screws, its a little hard to get them out even with a knife, but you can make it work. If youre like me and you want something thats not so high tech and made to last within reason, this is the one to go with, its roomy enough for a big guy like me and its made of tough parts. Also, my compliments to the ones who shipped it, it showed up 10 days early ... show more
Reviewed in the United States on January 26, 2026 by Jerry T.

  • Simple, but effective
Style: T Series 5 Color: Black
I had a commercial size NordicTrack I bought in 2015 and it finally conked out on me after using it 5-7 days a week running or walking on inclines. I would be on it for 30 mins or up to 2 hours depending on what I was doing. I got this smaller version because I know how difficult it is to move the monster size ones. Fits nicely in a corner. It is a good size and can fold up. It does not have all the extra features such as a built-in fan, but so far so good. It does have a weight limit, and I don’t remember if my previous treadmill had one. It works with iFit, which is a monthly subscription for $40/month. I think it’s worth it, as it works with your treadmill and provides other workouts such as weight training and yoga. I have been using it for moderate walks on an 8% incline while watching on my iPad (secured on the treadmill). I notice that I break out in a sweat as much as I do when I do a jog. It was fairly straightforward to build except for the part of securing one piece. You’ll know what it is when you get to that part of the assembly. ... show more
Reviewed in the United States on September 1, 2025 by Michelle Ann Michelle Ann

  • Died 20 minutes after professional installation. (UPDATED)
Style: T Series 6.5S Color: Black
I bought this for my mother, it arrived on time. No issues. I paid for the expert installation, which we had no problems. 15 minutes after the technician left, the thing stopped working. Of course I was at work, so when this occurred my mom did not know what to do. She called the tech back and he confirmed he could not figure out why it stopped. Later that evening I stopped by my moms house to see what the story was. Everything seemed to work except the belt. Now I have to call NordicTrack and see when they can send someone out. Amazon, is pretty good about offering solutions as far as returns. I was given 3 options. 1. Call Norditrack 2. Have a local repair person fix it, and they would refund me $120.00 3. Complete refund on both the unit and shipping (I would assume the 3 year maintenance plan). I am giving this 1 star because despite some of the good and bad stories, there should be no reason why this thing should have died. I am hoping I get a quick response tomorrow and we can work from there. I will update as we go along. ***************UPDATE So it was initially decided that the motor was broken on the machine by the technician who was dispatched about a week later. It took about 2 weeks to receive another motor. Add a few days to dispatch another tech at this point we are talking almost a month since the machine has arrived. (I was actually contemplating of just doing a return because it was nearing the time to pay the charge on my credit card.) Back to the story, so the tech shows up, we have the new motor, and an excited mom, I then find out that its not the motor, but the control panel. Again back to square one, another 2 weeks for delivery. Again a couple days to dispatch a technician once the part arrived. Tech arrived installed the new control panel and the machine runs, and hasn't had a problem since. Its been working with no issues for about 2 months now. Mom is happy, but I'm not really sure it was worth it. At this point I can't recommend purchasing this unit through this sales channel. Amazon was perfect but I don't know if it is Norditrack, the warehouse who holds this equipment, XPO who ships this equipment, the tech who installed this equipment... bottom line... a product was purchased for over $700 and it didn't work for almost two months from the day the transaction was completed. We weren't given anything for our troubles. Yes we weren't told "oh well sorry no refunds, all sales are final", we were offered a refund of $120 if we decided to let Norditrack off the hook and go with a local repair person, but there was nothing saying "we are sorry for what happened, the month and a half that was lost will be on us" (the company that failed to delight you as a customer). The only power as a customer is a review, to forewarn others of such an awful experience. I work in the customer service industry, so I know how hard it can be to please customers. In this case, the product offer and the services to support it were abysmal. Sincerely, Sam K. ... show more
Reviewed in the United States on July 25, 2017 by Sammyk

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