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 ModelT631T621T611TR20f
 MSRP$5,299$4,199$2,999$2,299
 Dimensions83.5" x 38.6" x 56.3"83.5" x 38.6" x 56.3"77.5" x 38" x 53"78" x 38" x 54" (unfolded) 40" x 38" x 61.8" (folded)
 Unit Weight297 lbs297 lbs.229 lbs.258 lbs.
 Motor4 hp AC servo motor3.2 hp DC3.0 hp DC2.8 hp DC
 Running Surface22" x 61"22" x 61"20" x 58"20" x 58"
 Speed Range0.1 - 12 mph0.1 - 12 mph0.1 - 12 mph0.5 - 10 mph
 SafeStart™YesYesYesNo
 Incline Range0 - 15%0 - 15%0-15%0 - 15%
 Deck CushioningMyFlex™MyFlex™MyFlex™SDS™ Shock Dissipation System
 Programs3 Interval (1:1, 1:2, 2:2), Random (x10,000), 2 Glute (30-min. and 45-min.), 3 Hill, HRC Cardio, HRC Weight Loss, Quick Start, Manual/Track, Zone Trainer, Fitness Tests (Bruce, Gerkin, WFI, Army, Marines)Programmable Interval, Random (x10,000), 2 Glute (30-min. and 45-min.), 3 Hill, HRC Cardio, HRC Weight Loss, Quick Start, Manual/Track, ZoneTrainer™Programmable Interval, Random (x10,000), 2 Glute (30-min. and 45-min.), 3 Hill, HRC Cardio, HRC Weight Loss, Quick Start, Manual/Track, ZoneTrainer™Interval, Glute, Hill, Manual/Track, Cardio HRC, Weight Loss HRC, Custom HRC, Track, Programs 1-3
 Touch-N-Go™ ProgramsYesYesYesNo
 Displaydot matrix and LEDsdot matrix and LEDsTri-Color Dot Matrix with LEDsBlue back-lit LCD
 Water Bottle HolderYesYesYesYes
 ActivZone™YesYesYesNo
 Data ReadoutsCalories, calories per hour, speed, METs, time, distance, pace and incline, actual heart rate, wt loss target HR, cardio target HRCalories, calories per hour, speed, METs, time, distance, pace, incline, actual heart rate, wt loss target HR, cardio target HRCalories, Distance, Speed, Incline, Time, Calories per hour, METs, Pace, Heart Rate, Wt Loss Target HR, Cardio Target HRCalories, Distance, Speed, Incline, Time, Cal per hour, METs, Pace, Heart rate
 CardioAdvisor™YesYesYesNo
 Telemetry Heart RateYesYesYesYes
 Contact Heart RateYesYesNoNo
 Max User Weight450 lbs.400 lbs.400 lbs.350 lbs.
 Entertainment Bracket CompatibleYes, SA ENT-16529137CYes, SA ENT-16529137CYes, SA ENT-16529137CYes, SA ENT-162291520
 Residential Parts WarrantyLifetime frame, motor and mechanical parts, 7 years electronicLifetime frame and motor, 10 years mechanical parts, 5 years electronicsLifetime frame and motor, 10 years mechanical parts, 5 years electronicsLifetime frame, 10 years motor, 5 years mechanical parts, 3 years electronic parts
 Residential Labor Warranty1 year1 year1 year1 year
 Suggested Commercial Usage6 hours max per day, no fees facility4 hours max per day, no fees facility 4 hours max per day, no fees facilityNone
 Commercial Parts WarrantyLifetime frame, lifetime motor, 5 years partsLifetime frame, 5 years partsLifetime frame, 5 years partsNone
 Commercial Labor Warranty1 year1 year1 yearNone
 USBYesNoNoNo
 FlowTec™ MotorYesYesPartialNo
 CertificationsAnticipated: (CE EMC LVD EMF, EMI (AUS), UL1647 C22.2 68-92; FCC part 15 Anticipated: (CE EMC LVD EMF, EMI (AUS), UL1647 C22.2 68-92; FCC part 15 Anticipated: (CE EMC LVD EMF, EMI (AUS), UL1647 C22.2 68-92; FCC part 15 CE EMC, EMI (AUS), UL1647 C22.2 68-92
 Power RequirementsDedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A, 1800W; Plug: UL NEMA 5-15; Cord: 14 AWG CSA-approved; Fuse: 15A (6x30mm), 100-120V, Fast blowDedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A, 1800W; Plug: UL NEMA 5-15; Cord: 14 AWG CSA-approved; Fuse: 15A (6x30mm), 100-120V, Fast blowDedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 12A, 1440W; Plug: UL NEMA 5-15; Cord: 14 AWG CSA-approved; Fuse: 12A (6x30mm), 100-120V, Fast blowPlug: UL NEMA 5-15; Fuse: 12A/250V (L 3 mm) Dedicated Power Supply Recommended (N. Amer.): 120VAC, 60 Hz, 12A, 1440 W