78 Highlights 68 Differences 0 Reactions 0 Likes

Nautilus T618 Facts: 139 Specifications & 78 Highlights

If performance matters, start here. The Nautilus T618 comes with 139 specs & features that even seasoned lifters take seriously — from general information, dimensions & weight, performance & motor & running surface & cushioning to quirks.

82 Points
BowFlex
BowFlex
Nautilus T618
The Nautilus T618 has been discontinued️. Our community last shared an update on October 28, 2025.
Nautilus T618

Highlights 78

No extras. Just what matters.
82 Points

Why is Nautilus T618 better than other treadmills ?

General Information

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Dimensions & Weight

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Performance & Motor

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Running Surface & Cushioning

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Console & Display

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Technology & Connectivity

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Safety & Compliance

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Comfort & Convenience

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Training & Programs

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Durability & Maintenance

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Power & Electrical

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Packaging & Assembly

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Quick Take

The essentials that matter—nothing extra

A fast snapshot of the Nautilus T618, covering its standout specification and what you can expect right out of the box.

Nautilus T618
Nautilus T618

Designed for serious fitness enthusiasts, the Nautilus T618 (currently BowFlex) features a 3.5 CHP motor and a 20" x 60" running surface for smooth, dynamic workouts. With speeds up to 12 mph and a 15% incline, this treadmill allows for versatile training, from brisk walking to intense running. Whether you're aiming for cardio endurance or interval training, its sturdy build ensures durability for long-term use.

Specifications & Facts 139

Specs measured. Drama avoided.

Before you gear up, check how the Nautilus T618 performs against similar treadmills. We laid out specs, pros, cons, and price — all in one place.

General Information 18

Nautilus T618 Product Type

What is the product type?

85 Nautilus T618 0 Votes Folding

88 Treadmills in this range Folding

Nautilus T618
Nautilus T618

Folds with a soft-drop assist to save floor space between workouts.

Defines the general type of treadmill.

Nautilus T618 Usage Type

What is the usage type?

85 Nautilus T618 0 Votes Home

86 Treadmills in this range Home

Nautilus T618
Nautilus T618

Designed for residential duty cycles—quiet operation and folding design suit spare rooms and garages.

Defines the intended usage environment.

Nautilus T618 Motor Warranty

What is the motor warranty period?

92 Nautilus T618 0 Votes 15 years

83 Treadmills in this range Lifetime

Nautilus T618
Nautilus T618

Extensive coverage that aligns with the frame warranty—reassuring for frequent runners.

Duration of motor warranty coverage offered by the manufacturer.

Nautilus T618 Weight Capacity

What is the weight capacity?

350 lbs 0 Votes
Nautilus T618
279.65 lbs (Average)

Nautilus T618
Nautilus T618

About 158.8 kg user capacity—above average for home treadmills, indicating a sturdy frame.

Maximum user weight the treadmill supports.

Nautilus T618 Commercial or Residential Grade

Is it commercial or residential grade?

85 Nautilus T618 0 Votes Residential

83 Treadmills in this range Residential

Nautilus T618
Nautilus T618

Not intended for 24/7 gym floors; home use expectations and maintenance intervals apply.

Classification based on intended installation.

Dimensions & Weight 10

Nautilus T618 Product Width

What is the treadmill width?

37.6 inch 0 Votes
Nautilus T618
27.04 inch (Average)

Nautilus T618
Nautilus T618

About 95.5 cm wide; plan at least a few extra centimeters each side so elbows don’t brush walls.

Overall width of the treadmill in use.

Nautilus T618 Product Length

What is the treadmill length?

78 inch 0 Votes
Nautilus T618
59.59 inch (Average)

Nautilus T618
Nautilus T618

About 198.1 cm long—roughly the length of a standard sofa; be sure your room allows a little extra clearance behind the deck for safety.

Overall length of the treadmill in use.

Nautilus T618 Product Height

What is the treadmill height?

62.8 inch 0 Votes
Nautilus T618
33.34 inch (Average)

Nautilus T618
Nautilus T618

About 159.5 cm tall—fits under most 8-ft (244 cm) ceilings even when folded.

Overall height of the treadmill in use.

Nautilus T618 Running Deck Width

What is the running deck width?

20 inch 0 Votes
Nautilus T618
17.25 inch (Average)

Nautilus T618
Nautilus T618

About 50.8 cm—standard width that suits most runners; wider 22-inch (56 cm) decks feel roomier but add bulk.

Width of the treadmill’s running surface.

Nautilus T618 Running Deck Length

What is the running deck length?

60 inch 0 Votes
Nautilus T618
47.54 inch (Average)

Nautilus T618
Nautilus T618

About 152.4 cm—long enough for tall runners’ stride at higher speeds.

Length of the treadmill’s running surface.

Nautilus T618 Product Weight

What is the product weight?

253 lbs 0 Votes
Nautilus T618
116.35 lbs (Average)

Nautilus T618
Nautilus T618

About 114.8 kg; heavy for one person to move—use the transport wheels and a helper.

The total weight of the treadmill, important for portability, stability, and delivery.

Performance & Motor 11

Nautilus T618 Incline Range Minimum

What is the minimum incline?

0 % 0 Votes
Nautilus T618
0.49 % (Average)

Nautilus T618
Nautilus T618

Flat deck for baseline pace work and testing.

The minimum incline level available.

Nautilus T618 Motor Power Continuous

What is the continuous motor power?

3.5 CHP 0 Votes
Nautilus T618
2.36 CHP (Average)

Nautilus T618
Nautilus T618

Continuous-duty rating suitable for regular running; roughly 2.6 kW mechanical output, though electrical draw will be higher due to losses.

Continuous horsepower output of the motor.

Nautilus T618 Maximum Speed

What is the maximum speed?

12 mph 0 Votes
Nautilus T618
7.37 mph (Average)

Nautilus T618
Nautilus T618

About 19.3 km/h; fast enough for sprint intervals (~5:00 min/mile pace).

The highest running speed supported by the treadmill.

Nautilus T618 Incline Range Maximum

What is the maximum incline?

15 % 0 Votes
Nautilus T618
6.72 % (Average)

Nautilus T618
Nautilus T618

Equivalent to ~8.6°; great for hill training and lower-impact cardio at walking speeds.

The maximum incline level supported.

Nautilus T618 Incline Increment Step

What is the incline increment step?

1 % 0 Votes
Nautilus T618
0.81 % (Average)

Nautilus T618
Nautilus T618

1% steps make it easy to reproduce workouts and compare sessions over time.

The smallest possible incline adjustment step.

Nautilus T618 Minimum Speed

What is the minimum speed?

0.5 mph 0 Votes
Nautilus T618
0.49 mph (Average)

Nautilus T618
Nautilus T618

About 0.8 km/h; handy for cautious warm-ups or rehab work.

The lowest walking speed supported by the treadmill.

Running Surface & Cushioning 13

Nautilus T618 Cushioning System Type

What cushioning system does it have?

88 Nautilus T618 0 Votes Elastomer

86 Treadmills in this range Elastomer

Nautilus T618
Nautilus T618

Elastomer-based “Rebound” system softens landings at the front and firms up at toe-off for a responsive feel.

Defines the cushioning technology used.

Nautilus T618 Shock Absorption Level

What is the shock absorption level?

90 Nautilus T618 0 Votes High

85 Treadmills in this range Medium

Nautilus T618
Nautilus T618

Great for joint comfort versus road running; seasoned runners may prefer firmer decks for speedwork.

Indicates the treadmill’s impact absorption capability.

Nautilus T618 Replaceable Belt Availability

Is the belt replaceable?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Standard service item—plan on replacement after several thousand miles depending on care and use.

Indicates if the treadmill belt can be replaced.

Nautilus T618 Front Roller Diameter

What is the front roller diameter?

2.75 inch 0 Votes
Nautilus T618
4.95 inch (Average)

Nautilus T618
Nautilus T618

About 7.0 cm; larger rollers typically reduce belt stress and can improve smoothness.

Diameter of the front roller that drives the belt.

Nautilus T618 Rear Roller Diameter

What is the rear roller diameter?

2.5 inch 0 Votes
Nautilus T618
2.14 inch (Average)

Nautilus T618
Nautilus T618

About 6.35 cm; paired with the front roller to keep belt tracking stable.

Diameter of the rear roller that supports the belt.

Nautilus T618 Belt Type

What is the belt type?

88 Nautilus T618 0 Votes 3-Ply

83 Treadmills in this range 2-Ply

Specifies the construction of the treadmill belt.

Console & Display 15

Nautilus T618 Display Type

What is the display type?

88 Nautilus T618 0 Votes LCD

86 Treadmills in this range LCD

Nautilus T618
Nautilus T618

Dual blue backlit “DualTrack” screens—readable in dim rooms without the complexity of a touchscreen.

Type of screen used for the console.

Nautilus T618 Backlit Display

Is the display backlit?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Improves visibility for metrics during early-morning or basement workouts.

Indicates if the display has backlighting.

Nautilus T618 Workout Feedback Metrics

What feedback metrics are shown?

90 Nautilus T618 0 Votes Speed, Time, Distance, Calories, HeartRate, Incline

89 Treadmills in this range Speed, Time, Distance, Calories, Heart Rate, Incline

Nautilus T618
Nautilus T618

Core training data at a glance—add pace or splits via connected apps if you prefer.

Types of workout data shown on display.

Nautilus T618 Heart Rate Monitoring Type

What type of heart rate monitoring does it support?

90 Nautilus T618 0 Votes ContactGrips, ChestStrap, Bluetooth

81 Treadmills in this range Contact Grips, Bluetooth

Nautilus T618
Nautilus T618

Chest strap provides more accurate readings than palm grips; Bluetooth syncs HR to compatible apps/wearables.

Method used for monitoring heart rate.

Nautilus T618 Quick Access Speed Keys

Does it have quick access speed keys?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Handy +/- controls on the rail let you adjust mid-stride without hunting buttons on the console.

Dedicated buttons for instant speed changes.

Nautilus T618 Quick Access Incline Keys

Does it have quick access incline keys?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

On-rail incline controls reduce hand travel and help maintain rhythm on hills.

Dedicated buttons for instant incline changes.

Technology & Connectivity 17

Nautilus T618 Bluetooth Support

Does it support Bluetooth?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Pairs to apps for workout tracking; no Wi-Fi means content streams from your own device.

Indicates if the treadmill supports Bluetooth connectivity.

Nautilus T618 Wi-Fi Support

Does it support Wi-Fi?

No 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Use your phone/tablet for streaming classes; the treadmill itself doesn’t go online.

Indicates if the treadmill can connect via Wi-Fi.

Nautilus T618 App Connectivity

Does it have app connectivity?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Sync runs to partner apps for long-term tracking and sharing.

Ability to connect with fitness apps.

Nautilus T618 Fitness Tracking Sync

Can it sync with fitness trackers?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Helpful for keeping a consolidated training log across devices and platforms.

Ability to sync workout data with fitness trackers.

Nautilus T618 Virtual Running Platforms Support

Does it support virtual running platforms?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Scenic videos auto-match your speed—adds variety without needing a built-in touchscreen.

Compatibility with virtual platforms like Zwift.

Nautilus T618 USB Charging Port

Does it have a USB charging port?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Keeps a phone/tablet charged during long sessions (power output is for charging only, not data).

Availability of USB port for charging devices.

Safety & Compliance 7

Nautilus T618 Safety Key or Clip

Does it have a safety key or clip?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Clip it to clothing—pulls free to stop the belt instantly if you stumble.

A removable safety key or clip that stops the treadmill if detached.

Nautilus T618 Emergency Stop Button

Does it have an emergency stop button?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

A second layer of safety—easy to hit in a hurry.

A dedicated button that halts the treadmill immediately.

Nautilus T618 Slip-Resistant Surface

Does it have a slip-resistant surface?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Textured side rails help when straddling the belt during start/stop or interval breaks.

Indicates if the treadmill surface is slip-resistant.

Nautilus T618 Safety Warning Prop65

Does it include a Prop 65 warning?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

California Prop 65 notice—common on fitness equipment due to certain materials/finishes.

Indicates whether the product includes a California Proposition 65 warning.

Nautilus T618 Compliance Certifications

What compliance certifications does it have?

88 Nautilus T618 0 Votes UL, CE

85 Treadmills in this range CE, UL

Nautilus T618
Nautilus T618

Indicates adherence to electrical/mechanical safety standards; UL is typical for US, CE for EU markets.

Certifications that confirm product compliance with safety standards.

Nautilus T618 Overload Protection

Does it have overload protection?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Prevents the motor from overheating or overloading.

Comfort & Convenience 14

Nautilus T618 Cooling Fan

Does it have a cooling fan?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Built-in fan aids comfort during longer sessions—especially helpful in garages without HVAC.

Indicates if the treadmill has an integrated cooling fan.

Nautilus T618 Cup Holder

Does it have cup holders?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Two holders fit large bottles; keeps hydration within reach for tempo or incline sessions.

Indicates if cup holders are available on the treadmill.

Nautilus T618 Accessory Tray

Does it have an accessory tray?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Extra storage for keys, remote, or a towel so the console stays uncluttered.

Availability of a tray for small accessories.

Nautilus T618 Handlebar Padding

Are the handlebars padded?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Padded grips feel secure and comfortable when walking at high incline.

Indicates if handlebars are padded for comfort.

Nautilus T618 Adjustable Handrails

Are the handrails adjustable?

No 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Fixed rails keep things simple; adjust incline/speed instead to tweak posture demands.

Indicates if the treadmill handrails can be adjusted.

Nautilus T618 Integrated Storage Pockets

Does it have integrated storage pockets?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Useful for phone/energy gels—less juggling mid-run.

Built-in pockets for storing items.

Training & Programs 13

Nautilus T618 Interval Training Mode

Does it have interval training mode?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Build repeats with precise speed/incline steps; pairs well with the 0.1 mph control.

Indicates if the treadmill supports interval training.

Nautilus T618 Hill Training Programs

Does it include hill training programs?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Pre-built climbs simulate outdoor routes and target posterior chain strength.

Pre-programmed workouts simulating hill climbs.

Nautilus T618 Heart Rate Training Programs

Does it include heart rate training programs?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Uses the chest strap or grips to target zones for endurance or fat-burn sessions.

Guided programs based on heart rate zones.

Nautilus T618 Speed Training Programs

Does it have speed training programs?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Helpful for tempo, strides, and VO₂-style efforts without manual programming.

Programs designed to improve running speed.

Nautilus T618 Target Distance Programs

Does it support target distance programs?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Set common race distances and let the console pace you to the finish.

Programs that let users set distance goals.

Nautilus T618 Target Time Programs

Does it support target time programs?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Great for lunch-break workouts—decide the time and go.

Programs that let users set workout time goals.

Durability & Maintenance 5

Nautilus T618 Frame Material

What is the frame material?

90 Nautilus T618 0 Votes Alloy Steel

87 Treadmills in this range Steel

Nautilus T618
Nautilus T618

Alloy steel balances stiffness and cost; powder-coat helps finish durability.

The material used to build the treadmill frame.

Nautilus T618 Lubrication Type

What is the lubrication type?

80 Nautilus T618 0 Votes Manual

82 Treadmills in this range Manual

Nautilus T618
Nautilus T618

Plan to lubricate roughly every 3 months or 25 hours of use; a 30–60 ml silicone application is typical for home decks.

Defines how the treadmill belt and deck are lubricated.

Nautilus T618 Corrosion Resistance

Is the treadmill corrosion resistant?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Indicates if the frame or parts resist corrosion.

Nautilus T618 Belt Lubrication Indicator

Does it have a belt lubrication indicator?

No 0 Votes Nautilus T618

Yes Treadmills in this range

Indicator that alerts when lubrication is needed.

Nautilus T618 Maintenance Alerts

Does it provide maintenance alerts?

No 0 Votes Nautilus T618

Yes Treadmills in this range

Alerts that notify when maintenance is required.

Power & Electrical 6

Nautilus T618 Power Requirement Voltage

What is the power requirement voltage?

120 Volt 0 Votes
Nautilus T618
131.59 Volt (Average)

Nautilus T618
Nautilus T618

Works with standard North American outlets (NEMA 5-15). Avoid extension cords unless rated for treadmill use.

The voltage required to operate the treadmill.

Nautilus T618 Power Consumption

What is the power consumption?

1,500 Watt 0 Votes
Nautilus T618
998.02 Watt (Average)

Nautilus T618
Nautilus T618

~1.5 kW at heavy load; that’s similar to a space heater—factor into shared circuits to prevent breaker trips.

Average power used during operation.

Nautilus T618 Plug Type

What is the plug type?

85 Nautilus T618 0 Votes NEMA5-15

83 Treadmills in this range NEMA 5-15

Nautilus T618
Nautilus T618

Standard 3-prong household plug (15 A). Use a dedicated circuit if possible for best performance.

Defines the plug type for power connection.

Nautilus T618 Circuit Breaker Requirement

What is the circuit breaker requirement?

85 Nautilus T618 0 Votes 15A

83 Treadmills in this range 15A

Specifies the breaker needed for safe use.

Nautilus T618 Surge Protection

Does it have built-in surge protection?

No 0 Votes Nautilus T618

Yes Treadmills in this range

Indicates if surge protection is included.

Nautilus T618 Power Reset Switch

Does it have a power reset switch?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Manual switch to reset power after surge or overload.

Noise & Environment 1

Nautilus T618 Noise Level

What is the noise level?

60 dB 0 Votes
Nautilus T618
57.18 dB (Average)

Average noise level during normal use.

Packaging & Assembly 9

Nautilus T618 Shipping Method

What is the shipping method?

85 Nautilus T618 0 Votes Standard Delivery

82 Treadmills in this range Standard Delivery

Nautilus T618
Nautilus T618

Curbside freight is common; consider in-home assembly if carrying 253 lb up stairs.

Defines how the treadmill is shipped.

Nautilus T618 Assembly Required

Does it require assembly?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Set aside 60–90 minutes with two people; having a ratcheting driver speeds up console/handrail work.

Indicates if the treadmill requires assembly.

Nautilus T618 Instruction Manual

Is an instruction manual included?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

Keep the PDF/manual handy for belt centering and lubrication schedules.

Indicates if a manual is provided with the product.

Nautilus T618 Packaging Type

What is the packaging type?

85 Nautilus T618 0 Votes Cardboard Box

83 Treadmills in this range Cardboard Box

Nautilus T618
Nautilus T618

Expect a large, heavy carton; cut straps and open from the side to slide parts out safely.

Defines the packaging style used.

Nautilus T618 Assembly Assistance Service

Is assembly assistance service available?

Yes 0 Votes Nautilus T618

Yes Treadmills in this range

Nautilus T618
Nautilus T618

White-glove/in-home options are worth it if you’re in a tight space or have stairs.

Indicates if professional assembly service is offered.

Nautilus T618 Tools Required for Assembly

What tools are required for assembly?

88 Nautilus T618 0 Votes Screwdriver, Wrench, Allen Key

84 Treadmills in this range Screwdriver, Wrench, Allen Key

Nautilus T618
Nautilus T618

A basic household toolkit covers it; a torque-style Allen driver helps avoid over-tightening.

Tools needed to assemble the treadmill.

Surveys

Because hot takes deserve votes.

Nautilus T618 Running Speed Levels

How would you rate the running speed options on this treadmill?

Intense sprinting — Over 13 mph 0 Votes
Fast running — 10 to 12 mph 0 Votes
Moderate pace — 7 to 9 mph 0 Votes
Very slow — Up to 6 mph 0 Votes

Nautilus T618 Durability and Lifespan

How durable does this treadmill feel over long-term use?

Built to last — Over 8 years 0 Votes
Long-lasting — 5 to 7 years 0 Votes
Average durability — 2 to 4 years 0 Votes
Wears out quickly — Less than 2 years 0 Votes

Nautilus T618 Comfort Level of Running

How comfortable is it to run or walk on this treadmill?

Very smooth and enjoyable 0 Votes
Comfortable, easy on joints 0 Votes
Just okay, manageable for short use 0 Votes
Uncomfortable, feels stiff 0 Votes

Nautilus T618 Noise Level

How noisy is this treadmill during use?

Whisper quiet, barely noticeable 0 Votes
Pretty quiet, not bothersome 0 Votes
Noticeable but tolerable 0 Votes
Super loud, very distracting 0 Votes

Nautilus T618 Size and Space Fit

How well does the size of this treadmill fit into a home or workout space?

Super space-saving — Under 65 inches long 0 Votes
Compact fit — 65 to 74 inches long 0 Votes
Large but manageable — 75 to 85 inches long 0 Votes
Way too bulky — Over 85 inches long 0 Votes

Nautilus T618 Power Consumption

How efficient is the power consumption of this treadmill?

Energy efficient — Under 1000 watts 0 Votes
Moderate use — 1000 to 1499 watts 0 Votes
High usage — 1500 to 2000 watts 0 Votes
Energy guzzler — Over 2000 watts 0 Votes

Nautilus T618 Setup Experience

How easy was it to set up this treadmill?

Super simple, ready in no time 0 Votes
Fairly easy, just a few steps 0 Votes
Took some effort, but doable 0 Votes
Nightmare to assemble 0 Votes

Nautilus T618 Design Appeal

How appealing is the design and look of this treadmill?

Sleek and impressive 0 Votes
Stylish and modern 0 Votes
Decent but nothing special 0 Votes
Plain and outdated 0 Votes

Nautilus T618 Pricing

How do you feel about the pricing of this treadmill?

Great value for money 0 Votes
Pretty good price 0 Votes
Fair deal 0 Votes
Kinda pricey 0 Votes
Crazy expensive 0 Votes

Nautilus T618 Motor Power

How powerful is the motor of this treadmill?

Extremely powerful — Over 3.5 HP 0 Votes
Very good — 3.0 to 3.5 HP 0 Votes
Moderate — 2.5 to 3.0 HP 0 Votes
Weak — 2.0 to 2.5 HP 0 Votes
Very weak — Under 2.0 HP 0 Votes

Guides 1

Yes, we brought proof.

Files 1

Nautilus T618 Treadmill Owner's Manual

bowflex.com
bowflex.com

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