NordicTrack S40 treadmill vs Assault air runner
This is a comparison between the Nordictrack S40 treadmill and the Assault air runner including pros, cons and alternatives. Follow the links for more details
Overview and review of the Assault air runner
The Assault Air runner comes in at $3699. In this article you will learn more about the product itself, its Pros and cons and alternatives you might want to consider. This article has originally been published in the overview "Which conditioning equipment to buy from Rogue".
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Overview of the Assault Air runner
The assault air runner is stake on the treadmill which is free of an electrical motor and highly portable. The air assault runner will be propelled by your own bodyweight. This means that it will be easier for you to accelerate and break during your workouts to simulate real-life conditions in running. The specifications of the Assault air runner are:
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Product weight 280LB
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Color black
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Length 69.9”
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Width 32.8”
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Height 32.8”
This machine has been endorsed by the CrossFit community and Rogue Fitness. The area for footfall is curved to minimize the impact. This makes it easier for the joints compared to regular treadmills. You will also buy this from a multi-product company which has been around for a while. This is especially important if you are going to buy for commercial use and make heavy use of the service and warranty that comes with the machine.
Pros of the Assault Air runner
These are the pros of the Assault air runner compared to other similar products and for endurance needs
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Lightweight
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Price
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Company
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Innovative
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Monitor
Compared to other treadmills and the TrueFrom runner it is lightweight and mobile. The fact that it comes in wheels is especially good for a gym setup where you like to change group setups a lot. You can clearly see that Assault went with the TrueForm runner design and optimized it for CrossFit gyms.
The price is also a big advantage when you compare like for like. There are two main options out there when you want a self-propelled treadmill. The assault air runner has about a $2000 advantage in the TrueForm runner. That is a considerable amount of money when you buy for your home gym or multiple units for a gym outlet.
Assault has been around for roughly 20 years and has solid revenue streams from three different product lines. With this piece of equipment, you are likely to get proper support and background for your needs. TrueForm hasn’t been around that long and their channels are a bit less developed.
Compared to other treadmills and ellipticals the experience with the assault runner for yourself or your client will be more innovative compared to other options. This Ingram attracts some extra clients as you differentiate from the next gym around the corner. Especially the ones who appreciate quality and might pay a higher price.
The monitor on the Assault air runner is better than the one on the TrueForm runner based on some reports. If you care about the settings on a machine you propel yourself this might be a deciding factor for you.
Cons of the Assault air runner
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Price
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Me too approach
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Mechanics
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Fewer options
Price can also be a con when you compare the outcome rather than like for like. If your main goal is to improve your endurance and lose weight without being specific to running there are options which are a lot more budget friendly. The Rogue echo bike would be one of them which still gives you a kick up the bum without costing as much as an entire home gym.
This is more of an ethical one, but if you support innovation you might want to go for the TrueForm runner. The original idea seems to have come from the first in a well-executed way. Assault just has the experience to copy and mass produce the idea more efficiently and effectively which will probably win the market for self-propelled treadmills.
Based on some reports I have read and seen the air assault runner accelerates in an unnatural way making you way faster than you actually should be. The TrueForm runner seems to be doing a better job correcting your posture and simulating real-world conditions.
With the TrueForm runner, you can also choose between a field turf and running track surface which the Assault air runner does not offer. If you want to make your training even more specific this might swing it against it.
Alternatives to the Assault Air runner
These are the alternative to the assault air runner:
The TrueForm runner is the original in the market for self-propelled treadmills. If you want a machine for your football athletes to warm up on before going o the field, this is probably the right choice. Who cares about $1000 to $2000 more a pop if the guys running on these things are paid $100000 a match? If you can afford it or if you don’t buy in bulk, the TrueForm runner might be the choice just to have the best.
The rogue echo bike is the realistic version for the home gym to still get a great workout in. A good air bike workout will gas you out and the design is a little more up to date than for the original assault air bike.
For the price of one air assault bike, you can even add a Rogue RM6 rack to your shopping list in addition to the Rogue echo bike. This leaves you with a full gym excluding barbells and plates. Count another $1000 for that.
If you want to spend some extra money for your home for something that is super effective the Versaclimber H might be for you. You still save $1000 compared to the Assault air runner and have a machine that burns the most calories over time per square feet. The vertical climb at home is the most intense thing you can do for your cardiovascular fitness.
Summary for the Assault air runner
The assault air runner is a lower cost option on the idea of self-propelled treadmills. You will buy a piece of equipment from a company with a long tenure which has other products in the market. If you always want the best you probably ought to go for the TrueForm runner. If you want to provide for your gym or use this innovative idea without breaking the bank, go for the TrueForm runner.

Overview and review of the NordicTrack S40 1599
This is a review of the NordicTrack S40 including pros, cons, and alternatives. This article has been originally published in “which NordicTrack treadmill or elliptical to get in the UK”. Follow the links for more details
Overview of the Nordictrack S40
The main features of the Nordictrack S40 are its 3.0 CHP motor, the 12% incline, and the one-touch controls. Unfortunately, the S series is one of the older product ranges of the Nordictrack line up and you might want to look into the C1650 or T7.5 as an alternative. Still, you might make a good grab on the used treadmill market for this model. The full list of features includes:
- Includes 1 Years iFit Family Membership
- iFit Integrated
- Two 2” Bluetooth Digitally Amplified Speakers
- 3.0 CHP Motor
- 0% - 12% Digital Incline
- 0 – 22 km/h Speed
- Onetouch™ Controls
- 1.9” Precision and Balanced Non-Flex Rollers
- 125kg Max User Weight
- EKG Handgrips
- FlexSelect™ Cushioning
- 51 x 152 cm Tread Belt
- This Machine Does Not Feature a Workout Fan
- SpaceSaver® Design with EasyLift™ Assist
- Assembled Dimensions - 200L x 90W x 145H cm
- Product Weight 84kg
- Boxed Weight 105kg
- Folded Dimensions - 103L x 90W x 180H cm
- Boxed Dimensions - 212L x 81W x 28H cm
- Warranty - Lifetime Frame Warranty, 10-year Motor Warranty, 2-Year Parts & Labour upon warranty registration within 28 days of purchase.
Have a good look at the market what you can get, but this treadmill might not be an ideal choice for buying something new.
Pros of the Nordictrack S40
- 3.0 CHP motor
- One-touch controls
The 3.0 CHP motor makes this a long-lasting treadmill for someone who runs a lot. Especially used this might be a good steal. The one-touch adjustments for speed are also a great feature of Nordictrack treadmills which make them more user friendly as you only need to push one button to get to the right space.
Cons of the Nordictrack S40
Cons of the S40 are:
- Price
- Age
For the age of this product line, you still pay a pretty high price. This is good for Nordictrack to empty their inventory of old models, but not necessarily for your purse. If you buy new you may want to get for the newer models in the X line or the T line which have followed the C line of Nordictrack models.
Alternatives for the Nordictrack S40
Good alternatives for the S40 are:
The Nordictrack T7,5 is, in my opinion, a better alternative to the S40 unless you manage to get a discount on the S40. The T7.5 is the more modern machine and has almost the same specifications. They also punch in the same budget weight class. So stick with the T7.5 instead of the S40 in the Nordictrack portfolio.
The FS5i is a good alternative for an elliptical for a home gym or commercial gym. It costs roughly the same as the S40 and comes with Free Stride technology. The FreeStride technology puts the flywheel in the middle of the machine. This enables a longer stride and you can also use the elliptical as a treadmill, elliptical, and stepper in one. This freedom comes at the price of a more error-prone design and more challenging movement patterns.
If you want to save some money and like rowing, you can go for the Concept 2 Model D rower. This is the flagship model from Concept 2 who has been around for years in the rowing place. You will be hard-pressed to find a major commercial gym without one of these on the floor. They come in under 1000 and might be a get alternative to consider. The only challenge is that they take up as much space as a treadmill, but are easier to move.
The Rogue Echo Bike is my personal favorite for home gyms as it is compact, sturdy, and burns a lot of calories per minute if used right. This machine can be gotten at the 700 mark and will last for a lifetime. The big disadvantage is that the Echo bike has no onboard entertainment whatsoever. If you need a video or machine to motivate you to get your training in, this is not the one for you. This is a great tool for intrinsically motivated people who want to save money and space.
Summary for the Nordictrack S40
As with the entire S series you might want to opt for something else which is a little more modern and therefore will get more support from the vendor Nordictrack. Always check the US website and compare the portfolio with the Uk website to avoid that you are buying something with is being discontinued. At the time of writing the S series is not available in the US anymore where Nordictrack headquarters is situated.