Best Nordictrack T Series 6.5 S Treadmill in 2025

Updated on July 2025
#1
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  • Access over 10,000 personalized workouts through iFIT, featuring expert coaching and adaptive SmartAdjust technology.
  • ActivePulse technology automatically adjusts workout intensity based on your heart rate for effective training.
  • Upcoming AI Coach feature will schedule personalized workouts based on your fitness goals.
  • Treadmill allows running speeds up to 10 MPH with options for manual or automated speed control.
  • SelectFlex cushioning system lets you customize support levels, providing impact absorption for various workout types.
  • Incline range from 0-10% enhances workout versatility, targeting multiple muscle groups for improved fitness.
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  • Access over 10,000 personalized workouts through iFIT, featuring expert coaching and adaptive SmartAdjust technology.
  • ActivePulse technology automatically adjusts workout intensity based on your heart rate for effective training.
  • Upcoming AI Coach feature will schedule personalized workouts based on your fitness goals.
  • Treadmill allows running speeds up to 10 MPH with options for manual or automated speed control.
  • SelectFlex cushioning system lets you customize support levels, providing impact absorption for various workout types.
  • Incline range from 0-10% enhances workout versatility, targeting multiple muscle groups for improved fitness.
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#2
Value for Money
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  • Part number: 404305
  • To purchase replacement parts, identify your model name and the serial number (for other manufacturers, the first 2-5 characters are sufficient). Refer to the product description for more information.
  • Check the product description for compatibility options.
  • For assistance in diagnosing and repairing your equipment, we can recommend a local fitness technician based on your zip code.
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  • Part number: 404305
  • To purchase replacement parts, identify your model name and the serial number (for other manufacturers, the first 2-5 characters are sufficient). Refer to the product description for more information.
  • Check the product description for compatibility options.
  • For assistance in diagnosing and repairing your equipment, we can recommend a local fitness technician based on your zip code.
Read More
#3
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  • Durable 2-ply construction suitable for both commercial and residential treadmills.
  • More pliable than standard belts, reducing strain on the motor and prolonging lifespan.
  • Pre-lubricated to minimize friction; annual lubrication is recommended for optimal performance.
  • One-year warranty covering defects in materials and workmanship, with some models offering extended warranties.
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  • Durable 2-ply construction suitable for both commercial and residential treadmills.
  • More pliable than standard belts, reducing strain on the motor and prolonging lifespan.
  • Pre-lubricated to minimize friction; annual lubrication is recommended for optimal performance.
  • One-year warranty covering defects in materials and workmanship, with some models offering extended warranties.
#4
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  • Space-saving design ideal for small areas with a 2.5HP ultra-quiet motor for noise-free workouts indoors.
  • User-friendly interface includes remote control for speed adjustments and an LED display for tracking workout metrics such as time, distance, speed, and calories.
  • Non-slip belt and cushioned deck provide comfort and minimize joint strain for extended use.
  • Reinforced steel frame supports up to 265 lbs with shock-absorbing technology for stable workouts in compact spaces.
  • Foldable design enhances portability and functionality, making it easy to store while maintaining quiet operation.
  • 24/7 online support available for any customer inquiries.
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  • Space-saving design ideal for small areas with a 2.5HP ultra-quiet motor for noise-free workouts indoors.
  • User-friendly interface includes remote control for speed adjustments and an LED display for tracking workout metrics such as time, distance, speed, and calories.
  • Non-slip belt and cushioned deck provide comfort and minimize joint strain for extended use.
  • Reinforced steel frame supports up to 265 lbs with shock-absorbing technology for stable workouts in compact spaces.
  • Foldable design enhances portability and functionality, making it easy to store while maintaining quiet operation.
  • 24/7 online support available for any customer inquiries.
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#5
14% Off
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  • Treadmill offers 12 incline levels (0-12%) for customizable workouts with convenient auto incline button.
  • Bluetooth compatibility with SUNNYFIT app provides access to numerous workouts and running routes.
  • Double deck running surface enhances stability, featuring shock absorption for low-impact training.
  • Includes 12 pre-set workouts suitable for various fitness levels, helping users burn calories effectively.
  • Quick access speed buttons for 2mph, 4mph, 6mph, and 8mph support different workout intensities.
  • Digital monitor tracks real-time heart rate, workout duration, speed, and calories burned.
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  • Treadmill offers 12 incline levels (0-12%) for customizable workouts with convenient auto incline button.
  • Bluetooth compatibility with SUNNYFIT app provides access to numerous workouts and running routes.
  • Double deck running surface enhances stability, featuring shock absorption for low-impact training.
  • Includes 12 pre-set workouts suitable for various fitness levels, helping users burn calories effectively.
  • Quick access speed buttons for 2mph, 4mph, 6mph, and 8mph support different workout intensities.
  • Digital monitor tracks real-time heart rate, workout duration, speed, and calories burned.
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#6
19% Off
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  • Double-layer treadmill with advanced cushioning system and 14 total cushions for knee protection during workouts.
  • 15 incline levels and a speed range of 0.5-10 MPH to support various HIIT training routines for effective calorie burning.
  • 18 x 42.5 inches running belt designed for stability, minimizing joint impact for a safer running experience.
  • Compact and foldable design for easy storage; dimensions of folded size are 35.43" x 27.5" x 48.43".
  • Supports users up to 300 lbs with a powerful 3 peak HP motor for consistent performance.
  • Equipped with a dual device holder, Bluetooth connectivity, and built-in speakers for workout and entertainment integration.
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  • Double-layer treadmill with advanced cushioning system and 14 total cushions for knee protection during workouts.
  • 15 incline levels and a speed range of 0.5-10 MPH to support various HIIT training routines for effective calorie burning.
  • 18 x 42.5 inches running belt designed for stability, minimizing joint impact for a safer running experience.
  • Compact and foldable design for easy storage; dimensions of folded size are 35.43" x 27.5" x 48.43".
  • Supports users up to 300 lbs with a powerful 3 peak HP motor for consistent performance.
  • Equipped with a dual device holder, Bluetooth connectivity, and built-in speakers for workout and entertainment integration.
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#7
13% Off
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  • Powerful and efficient brushless motor delivers speeds up to 7.5 MPH with reduced noise levels under 45DB, lasting significantly longer than traditional motors.
  • Equipped with silicone shock-absorbing blocks and eight built-in shock absorbers to minimize impact and enhance comfort during runs.
  • The smart handrail features a heart rate sensor and buttons for quick adjustments to speed and audio, facilitating a more effective workout.
  • Multifunctional console includes 12 preset running programs and displays real-time data on time, distance, calories burned, speed, and heart rate, along with storage for personal items.
  • Sturdy double-deck design supports up to 300 LBS with a spacious running area of 40.2" x 15.4", suitable for a variety of users.
  • Customer support available 24/7 with a 30-day return policy and a comprehensive 365-day quality assurance service.
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  • Powerful and efficient brushless motor delivers speeds up to 7.5 MPH with reduced noise levels under 45DB, lasting significantly longer than traditional motors.
  • Equipped with silicone shock-absorbing blocks and eight built-in shock absorbers to minimize impact and enhance comfort during runs.
  • The smart handrail features a heart rate sensor and buttons for quick adjustments to speed and audio, facilitating a more effective workout.
  • Multifunctional console includes 12 preset running programs and displays real-time data on time, distance, calories burned, speed, and heart rate, along with storage for personal items.
  • Sturdy double-deck design supports up to 300 LBS with a spacious running area of 40.2" x 15.4", suitable for a variety of users.
  • Customer support available 24/7 with a 30-day return policy and a comprehensive 365-day quality assurance service.
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#8
16% Off
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  • High-performance 3.0HP motor provides consistent power for all activities.
  • Adjustable incline from 0 to 15% to simulate various terrains and enhance workouts.
  • Speed range of 0.6 to 6.2 MPH accommodates different fitness levels from walking to running.
  • 41"x16.1" running belt with 7-layer shock absorption technology minimizes joint impact.
  • Folding design supports easy storage, includes heart rate sensors, Bluetooth, and LED display, with a weight capacity of 300 lbs.
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  • High-performance 3.0HP motor provides consistent power for all activities.
  • Adjustable incline from 0 to 15% to simulate various terrains and enhance workouts.
  • Speed range of 0.6 to 6.2 MPH accommodates different fitness levels from walking to running.
  • 41"x16.1" running belt with 7-layer shock absorption technology minimizes joint impact.
  • Folding design supports easy storage, includes heart rate sensors, Bluetooth, and LED display, with a weight capacity of 300 lbs.
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#9
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  • Spacious 20-inch running deck for comfortable strides.
  • Sturdy design supports users up to 300 lbs for a secure workout.
  • Bluetooth connectivity with SunnyFit App for tracking and access to diverse workouts.
  • 15 incline levels and 18 preset programs to customize workout intensity.
  • Peak 3 HP motor allows speeds up to 12 MPH with advanced shock absorption for comfort.
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  • Spacious 20-inch running deck for comfortable strides.
  • Sturdy design supports users up to 300 lbs for a secure workout.
  • Bluetooth connectivity with SunnyFit App for tracking and access to diverse workouts.
  • 15 incline levels and 18 preset programs to customize workout intensity.
  • Peak 3 HP motor allows speeds up to 12 MPH with advanced shock absorption for comfort.
#10
42% Off
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  • 4HP brushless motor ensures efficient, low-maintenance operation with a speed range of 1.0 to 10 MPH, supporting up to 450 lbs while maintaining low noise levels under 45 dB.
  • User-friendly console with 7 buttons for easy speed and incline adjustments, including 12 preset programs to accommodate various workout preferences.
  • Large LED display offers clear tracking of speed, time, distance, calories, heart rate, and steps; supports Bluetooth connectivity for enhanced control and training access via a smart app.
  • Equipped with dual handrail pulse sensors for real-time heart rate monitoring, complemented by high-quality Bluetooth speakers for an immersive workout experience.
  • 55" x 20" running belt provides ample space for different stride lengths, featuring safety foot rails and a non-slip design with 8 shock absorbers for joint protection.
  • Built-in automatic incline adjustment from 0% to 10% increases calorie burn, making workouts more effective compared to a flat incline treadmill.
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  • 4HP brushless motor ensures efficient, low-maintenance operation with a speed range of 1.0 to 10 MPH, supporting up to 450 lbs while maintaining low noise levels under 45 dB.
  • User-friendly console with 7 buttons for easy speed and incline adjustments, including 12 preset programs to accommodate various workout preferences.
  • Large LED display offers clear tracking of speed, time, distance, calories, heart rate, and steps; supports Bluetooth connectivity for enhanced control and training access via a smart app.
  • Equipped with dual handrail pulse sensors for real-time heart rate monitoring, complemented by high-quality Bluetooth speakers for an immersive workout experience.
  • 55" x 20" running belt provides ample space for different stride lengths, featuring safety foot rails and a non-slip design with 8 shock absorbers for joint protection.
  • Built-in automatic incline adjustment from 0% to 10% increases calorie burn, making workouts more effective compared to a flat incline treadmill.
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