Compare what it is
Lifespan TR4000i
It is a solid, durable and stable treadmill with ample running space and shock absorbers to protect your knees, back and joints. It copies your exercise data to a USB device to ensure that you can track your workout.
Precor 9.23
It is a cub quality, low impact treadmill with short handlebars that promises to be the perfect solution for those who want to work out at home. It makes the most out of the patented Ground Effects Impact Control Technology to cushion the impact at the front and has a firm surface for the push off at the rear.
Sole F85
Sole F85 claims to be a club quality treadmill that can be used at home to get the fitness results you want. It has a proprietary Cushion Flex Whisper Deck that promises to reduce impact on joints by 40% when compared to running on asphalt.
Verdict
All the three treadmills are high on quality but Precor 9.23 clinches it, only by just.
Compare Features
Lifespan TR4000i
• The running space of 20” x 60” works out well for extra-long strides. The orthopaedic belt is 2.8 mm thick, coarse in texture and there are 8 compression shocks, which offer support and cushioning.
• The intelli-key console lighting feature means buttons are illuminated sequentially to take you through different workouts and console operations.
• Intelli-step feature counts every step as it falls on the belt and displays it on the console. The data is further synced to the online club account with a USB drive. The soft touch, large sized console buttons make setup a breeze and you won’t be struggling while changing the programs.
Precor 9.23
• Precor 9.23 asserts that it has just the right combination of features to help you achieve your fitness goals. Whether it’s the shock absorption technology or the smaller size, it ensures results you want without joint stress and risk of injuries.
• Stride Support technology is another important feature as it can sense the change of velocity in your stride and adjusts the belts 57 times a second at 12 mph.
• Fully welded, powder coated steel frame is sturdy and durable while the running surface is slip free. The SmartRate, which is the touch heart rate monitoring system, keeps you on top of things.
Sole F85
• To begin with, Sole F85 has a 22 inch wide running surface, which makes it comfortable for everyone. Moreover it can handle up to a weight of 400 lbs, which means its usability is highly universal.
• Two-ply belt, pulse grip and chest strap heart rate monitoring are some of the important features of this treadmill and they make a lot of sense for your safety and convenience.
• It is customized with programs that can be used by users based on their own specific requirements and fitness goals. It’s easy to switch from one program to another thanks to the simple controls it has.
Verdict
They all have their varied set of features but Lifespan TR4000i wins this one.
Compare Built-in programs
Lifespan TR4000i
It has 2 heart rate programs, 2 customized user programs and 17 preset programs that include 5 weight management, 5 healthy living and 7 sports training ones.
Precor 9.23
It has 6 preset programs including Fun Run, Hill Climb, Interval, Manual, Walk and Weight Loss.
Sole F85
Sole F85 has six standard programs, two custom programs, and two heart programs that can be used to take you closer towards your fitness goals.
Verdict
Lifespan TR4000i has more programs and options for users.
Compare Built-in workouts
Lifespan TR4000i
It has 17 preset workout programs that have been designed by workout physiologists for complete safety and effectiveness. The programs have been specifically created to help you achieve your desired goals.
Precor 9.23
It has 6 different built in workouts to help you achieve your specific fitness goals.
Sole F85
Six standard programs, two custom programs, and two heart programs form the crux of the workouts on this treadmill.
Verdict
Lifespan TR4000i comes out on tops here.
Compare Speed Settings
Lifespan TR4000i
0.5 to 12 MPH (0-8 – 19.3 KPH).
Precor 9.23
0.5 to 12 MPH.
Sole F85
0.5 to 12 MPH.
Verdict
They are all equal here.
Compare Incline Adjustability
Lifespan TR4000i
15 levels.
Precor 9.23
0 – 15%
Sole F85
0 – 15%
Verdict
They are all equal here.
Compare Decline Adjustability
Lifespan TR4000i
No.
Precor 9.23
No.
Sole F85
No.
Verdict
None of these treadmills have decline adjustability.
Compare Hear Rate Monitor
Lifespan TR4000i
Contact heart rate sensors and chest strap receiver
Precor 9.23
Touch only.
Sole F85
It has a pulse grip and chest strap heart rate monitoring.
Verdict
Lifespan TR4000i and Sole F85 score highly on this one because of the different heart rate monitoring options they offer.
Compare Weight Capacity
Lifespan TR4000i
Up to 350 lbs.
Precor 9.23
Up to 350 lbs.
Sole F85
400 lbs.
Verdict
Sole F85 has the highest weight capacity.
Compare Max User Weight
Lifespan TR4000i
350 lbs
Precor 9.23
350 lbs.
Sole F85
400 lbs.
Verdict
Sole F85 wins this one.
Compare Weight
Lifespan TR4000i
Around 260 pounds.
Precor 9.23
227 lbs.
Sole F85
265 lbs
Verdict
Precor 9.23 is the lightest.
Compare Treadbelt Length
Lifespan TR4000i
60 inches or 150 cms.
Precor 9.23
57 inches.
Sole F85
60 inches.
Verdict
Lifespan TR4000i and Sole F85 are equal.
Compare Belt Type
Lifespan TR4000i
2.8mm Upgraded Thick Belt
Precor 9.23
It has a multi-ply belt has a PVC non-slip surface.
Sole F85
It has a two-ply belt with four layers.
Verdict
The belt in all three treadmills is highly functional and more or less on par.
Compare Deck Thickness
Lifespan TR4000i
It’s 1” or 2.5 cm Phenolic.
Precor 9.23
1 inch.
Sole F85
Around 1 inch.
Verdict
There is not a lot to choose here.
Compare Running Area
Lifespan TR4000i
20″ W x 60″ L (50cm W x 150cm L)
Precor 9.23
57″ x 20″
Sole F85
The running area is about 22 by 60 inches.
Verdict
Sole F85 has the biggest running area but not by much.
Compare Cushioning
Lifespan TR4000i
It has eight levels of cushioning.
Precor 9.23
Patented Ground Effects Impact Control Technology offers the cushioning effect while reducing joint stress and risk of injuries.
Sole F85
It uses a proprietary Cushion Flex Whisper Deck, which has been shown to reduce impact on joints by 40 % as compared to running on asphalt.
Verdict
All these treadmills have their unique cushioning means but Sole F85 seems to be the most effective.
Compare Display
Lifespan TR4000i
Multi-color LCD with simultaneous readouts, exercise program name and profile, and personal data from a USB device.
Precor 9.23
It has an easy-to-use console that includes readouts for calories, distance, heart rate, incline, pace, program profile, SmartRate and time.
Sole F85
The console has a vibrant display with a message board for clear instructions and feedback. Important readouts include Speed, Incline, Time, Distance Traveled, Calories, Pulse and Pace.
Compare Warranty
Lifespan TR4000i
It has lifetime warranty for frame and motor, 5 year warranty for parts and one year warranty for labour.
Precor 9.23
Lifetime warranty for frame and welds, 5 year parts and wear items and one year labour.
Sole F85
Frame, motor and deck lifetime warranty, 5 years electronics and 2 years labour warranty.
Verdict
Each of these treadmills has a comprehensive warranty, but the one of Sole F85 has an edge.
Compare Sound System
Lifespan TR4000i
Speakers and headphone plug-in
Precor 9.23
None.
Sole F85
It has built in speakers to plug in your iPod or MP3 players.
Verdict
Sole F85 is the winner in this category.
Compare Rear Roller Size
Lifespan TR4000i
It has 2″ (5cm) Rear roller.
Precor 9.23
Just over 2 inches.
Sole F85
Around 2.6 inches
Verdict
There are more or less even here.
Where is it made?
Lifespan TR4000i
Park city, Utah, US.
Precor 9.23
It is made in the US.
Sole F85
It is manufactured by Taiwanese company Dyaco, which has its US headquarters in Salt Lake City, Utah.
Verdict
All three treadmills are well made and speak volumes about their quality.
Does it have Workout Fan
Lifespan TR4000i
No.
Precor 9.23
No.
Sole F85
Yes, it has two cooling fans.
Verdict
The two cooling fans of Sole F85 make it the winner in this category.
Does it have chest strap?
Lifespan TR4000i
Yes.
Precor 9.23
No.
Sole F85
Yes.
Verdict
Both Lifespan TR4000i and Sole F85 have chest straps, which have their distinct advantages.
Is it iPod compatible
Lifespan TR4000i
Yes.
Precor 9.23
No.
Sole F85
Yes.
Verdict
Lifespan TR4000i and Sole F85 are iPod compatible, which is a huge advantage for those who like to work out while listening to their favourite music.
Is it web enabled?
Lifespan TR4000i
No.
Precor 9.23
No
Sole F85
No.
Verdict
All the three treadmills are on par here.
Does it fold for easy storage?
Lifespan TR4000i
Yes.
Precor 9.23
No.
Sole F85
Yes.
Verdict
Both Sole F85 and Lifespan TR4000i are easily foldable, which means they save you a lot of storage space.