Nautilus T618 Treadmill Review

Nautilus T618 Treadmill Review

There is no doubt that Nautilus has been a leading name in the "home exercise equipment" industry. With its amazing built quality and extraordinary features, Nautilus's exercise tools have been fan favorite for many years.

However, as like as its other tools, does this Nautilus T618 Treadmill offer top-notch services to its users? Is this running machine worth the money you are spending on it?

To find out all these answers and find out more about this amazing running equipment, in this article, we have discussed all its features and listed the benefits and flaws of this treadmill so that making a purchase decision is easier than before.

So, without any further ado, let's start.

Overview of Nautilus T618 Folding Treadmill

Top Features

Folding frame, 26 built-in programs, durable 3 ply 2.5 mm running belt, 3.5 CHP high-speed motor, large LCD screen, enhanced Bluetooth Connectivity, 350 lbs. of weight capacity, Rebound™ Cushioning System.


Strong and durable, advanced Bluetooth connectivity, several entertainment features, accessibility to various fitness apps, suitable for walking, jogging and running.


Heavyweight, requires maintenance

Things to Know

The 20" x 60" gym-quality running path makes it suitable for both short and tall runners
This treadmill comes with an advanced SoftSrop™ Folding System technology that allows you to fold the equipment effortlessly when needed.

What Nautilus T618 Treadmill Offers to the Riders

If you are looking for a treadmill that would provide you an excellent workout experience with all the modern features, then this T618 folding treadmill is the "one" for you.

Aside from its very sleek and alluring outlook, this running machine also offers more than a few amazing features and aspects to make your exercise even more fruitful.

Below, we have discussed these features in great detail to know why it is one of the most loved treadmills among its users.

Fully-loaded Console

Nautilus didn't hold itself back while offering versatile features to its users and its intuitive, fully loaded console with Dual Track™ LCD monitor is the biggest proof.

The console is loaded with several Performance Training programs including heart rate and weight management, and interval to provide you phenomenal convenience.

Nautilus Console

Moreover, the dual-screen LCD monitors at the front of this machine not only keep track of your exercise data and displays it on the large monitor for easy accessibility but at the same time also provides you the opportunity to control various aspects of the tool from the front.

To complete the console, Nautilus also included a media tray so that you can keep your smart devices safe while running on the treadmill.

Bluetooth Connectivity

When you look for a good running machine with such a price tag, you expect it to have some outstanding features so that working out on it is more enjoyable and convenient.

Keeping in mind about such a mindset of the users, Nautilus incorporated an enhanced Bluetooth Connectivity system to this T618 Treadmill so that you can enjoy a lot of extra advanced features while running on the machine.

Using this advanced wireless connectivity system, you can connect your smartphone or other smart devices to this treadmill and enjoy the features of a wide range of fitness apps for your betterment.

From syncing the free Explore the World™ App to many other of your favorite apps, you can seamlessly transfer data for a more effective workout.

In addition to getting access to various fitness apps, this Bluetooth connectivity also enables you to play your favorite songs via the built-in speakers to make sure that you are well-motivated and entertained while exercising.

Powerful 3.5 CHP Motor

This advanced treadmill is all about power without compromising comfort and effectiveness. Nautilus installed a super powerful motor of 3.5 CHP to this piece of workout equipment to ensure that its users enjoy the best running sessions in the comfort of their own home.

This extremely motor helps the treadmill to run smoothly while maintaining the full running speed so that running on it is safe and enjoyable.

It also helps the tool respond immediately when the pace or the incline is adjusted to ensure that you don't sacrifice speed.

Moreover, even though this motor is powerful, it is extremely quiet and provides you a nearly noiseless operation.

350 Lbs. Load Capacity

Nautilus load capacity

To make this treadmill users inclusive, Nautilus constructed the frame in such a way that it is extremely strong and can accommodate a wide range of runners effortlessly.

With a maximum weight capacity of 350 lbs., this piece of exercise equipment can hold even the most heavyweight person and help him burn calories to lose excess weight and get fit.

Gym-quality Running Path

Even though this treadmill is intended for home use, it comes with a gym-quality running surface to make your running and walking experience even more effective and enjoyable.

Nautilus added a spacious 20 inches x 60 inches running belt to T618 Treadmill to suit all types of users. Runners with short height to super tall ones can use this running equipment to shed extra calories and get fit and healthy.

Additionally, such a wide running surface also ensures phenomenal balance and runs naturally without complications.

Moreover, the 3 ply 2.5 mm belt of this running path not only ensures extended durability but at the same time, also increases traction for a better feel.

Rebound Deck Cushioning System

Nautilus cushioning deck

In addition to its size and thickness, another feature of this running surface that will make your running experience even more natural and effective is its cushioning system.

Keeping in mind the comfort of its users, Nautilus introduced a Rebound Deck Cushioning System to this incredible treadmill so that you can enjoy maximum comfort while exercising on it.

This exclusive cushioning system reduces vibrations and impacts of running and softens the landing at the front of the deck, but it also helps to minimize the stride's impact to ensure zero injuries.

This soft cushioned running surface also ensures that you don't hurt your body parts and ache them while running on this treadmill.

0-15% Motorized Incline

Another feature of this treadmill that will surely impress you is its incline mechanism. With a super-wide range of incline, you can enjoy versatile workout sessions without feeling bored with one single stride.

To provide a super-effective running and walking experience to its users, Nautilus installed a 0-15% incline range to this running machine so that you can enjoy normal and uphill running and walking without even stepping outside.

26 Training Programs

Nautilus programs

One of the best features that sets this Nautilus Treadmill aside from the others is its wide range of built-in workout programs. This running machine comes with 26 preset training programs so that you can always try out versatile exercises to get fit and active quickly.

With such various programs, people with every fitness level will find a suitable program according to their running needs and health conditions and run their hearts out to get fit and healthy.

Moreover, to make it extremely easy for users to choose between these preset programs, this equipment has the controls integrated into the well-accessorized console so that you can pick the one in just a few steps.

Wireless Heart Rate Chest Strap

Nautilus knows the importance of measuring your heart rate during the workout sessions. And that's why it included 2 different heart rate measurement mechanisms to this amazing treadmill so that you know how your heart reacts while you exercise.

In addition to the contact hand grips integrated into the handlebars, this machine also comes with wireless chest straps to constantly measure the changes in your heart rate. These chest straps are Bluetooth enabled and helps to track your cardio health regularly.

PROS & CONS of Nautilus

What We Like

  • Accessibility to the free Explore the World™ App.
  • Comes with a folding frame design to store it easily
  • Large dual-screen LCD monitor for better readability
  • Ergonomically designed handlebars for a non-slip grip
  • Offers several preset programs for versatile workout sessions
  • Advanced Bluetooth connectivity for advanced features and apps

What We Don't Like

  • This runner is heavyweight and not easily portable.
  • A little expensive than some of its market competitors

Nautilus T618 Specs


Stationary Running Machine

Console Display

HD Smart DualTrack™ Screens


0-15% Incline


3.5 CHP motor


0 - 12 mph

Running Belt Size

20" x 60"

Built-in Programs

26 Programs

Bluetooth Connectivity




Weight Capacity

350 lbs.


86" x 33" x 13"

Nautilus T618 Assembly

Frequently Asked Question and Answers

Question: Is the treadmill quiet when running on it?

Answer: This Nautilus is extremely quiet and provides a nearly noiseless running session. Because of its soundless nature, you can run on it whenever you want without disturbing others.

Question: What is the maximum weight for this treadmill?

Answer: This tool comes with an extended weight capacity to accommodate a wide range of users. The maximum weight limit of this treadmill is 350 lbs. from thin to heavy, all types of runners can use this equipment to get fit and healthy.

Question: Does this treadmill fold? What are the folded dimensions?

Answer: Fortunately, you can fold this piece of exercise equipment into a compact size for easy storage. It's folded dimension is about 66" H by 46" L by 35" width.

Question: Does the run social require a fee?

Answer: The Run Social App is completely free and doesn't require any fee when you download it. When you sync this treadmill with this fitness app, you can go to 19 locations with 27 routes alongside real-life people in real-time for a more enjoyable workout session.

Question: Does it fold up for easy storage against a wall?

Answer: Yes, it does fold up and can be stored easily against the wall whenever needed.

Question: Does this come with the chest strap for heart monitoring?

Answer: To make your workout sessions even more fruitful and effective, this T618 Treadmill comes with a wireless chest strap so that you can monitor your heart rate easily when running in the machine.

Buying Advice

If you have gone through the top features section, you already know everything you need to know about this incredible treadmill.

However, before making your buying decision you also must know that this running machine needs to be assembled- it doesn't come pre-assembled from the warehouse.

But then again, it is super simple to put together and doesn't need any professional help. With the instruction manual's help that comes with this home exercise tool, you can assemble it yourself easily and effortlessly.

Wrapping Up

After going through each of the features of this running exercise equipment carefully, you cannot deny the fact that this Nautilus T618 Treadmill is an incredible treadmill with more than a handful of amazing features to make your running experience better as well as effective.

Even though it comes with an expensive price tag, the features and factors this treadmill offers is unmatchable and will surely provide the best value for your money.
If you have the cash to spare, then this T618 Treadmill would be the best choice for you.

Nautilus Treadmill

Nautilus Treadmill


Running Machine

Console display

DualTrack™ Screens


0-15% Incline


3.5 CHP motor


0 - 12 mph

Running Belt Size

20" x 60"



Weight Capacity

350 lbs.


86 x 33 x 13 inches

About the Author Zachary Anderson

Hi, I am Zach who is behind I am a fitness geek. I love to ride bicycle regularly to be fit everyday. In winter when riding is impossible in cold then I love to workout at home using indoor exercise equipment. I also love to write in blog to share my knowledge in cycling & workout segment. I hope my articles will help you to be fit in any weather.Thanks!

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