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 ModelT680eT670eT652T631T621T611
 Dimensions83.25" x 38.5" x 55"83.25" x 38.5" x 55"87.25" x 37.5" x 56"83.5" x 38.6" x 56.3"83.5" x 38.6" x 56.3"77.5" x 38" x 53"
 Unit Weight418 lbs.418 lbs.339 lbs.297 lbs297 lbs.229 lbs.
 Motor5.0 hp EAC Servo5.0 hp EAC Servo5.0 hp EAC Servo4 hp AC servo motor3.2 hp DC3.0 hp DC
 ECO-POWR™YesYesYesYesNoNo
 Running Surface22" x 62"22" x 62"22" x 61"22" x 61"22" x 61"20" x 58"
 Speed Range0.1 - 15 mph0.1 - 15 mph0.1 - 15 mph0.1 - 12 mph0.1 - 12 mph0.1 - 12 mph
 SafeStart™YesYesYesYesYesYes
 Incline Range0 - 15%0 - 15%-3% -15%0 - 15%0 - 15%0-15%
 Deck CushioningMyFlex Plus™MyFlex Plus™MyFlex Plus™MyFlex™MyFlex™MyFlex™
 Integrated FanYesYesOption Option-ready since first shipmentOption-ready since first shipment ETA 20110212Option planned for 2012
 ProgramsManual/Track, Random, Glute 30, Glute 45, 3 Intervals, 5k flat, 5k hill, 10k flat, 10k hill, Custom HRC, Weight Loss HRC, Cardio HRC, Fitness Test (Bruce, Gerkin), Quick StartManual/Track, Random, Glute 30, Glute 45, 3 Intervals, 5K Flat, 5K Hill, 10K Flat, 10K Hill, Custom HRC, Weight Loss HRC, Cardio HRC, Fitness Test (Bruce, Gerkin, WFI) Quick StartManual/Track, Random, Glute 30, Glute 45, 3 Intervals, Weight Loss HRC, Cardio HRC, Fitness Test (Bruce, Gerkin, WFI, Army, Marine and Navy), ZoneTrainer™, Fat Burn, Hill 1, Hill 2, Hill 3, Quick Start 3 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™
 Touch-N-Go™ ProgramsNoNoYesYesYesYes
 Display15.4" Entertainment-ready LCDTri-color dot matrix with LEDsDot matrix display with LEDsdot matrix and LEDsdot matrix and LEDsTri-Color Dot Matrix with LEDs
 Water Bottle HolderYesYesYesYesYesYes
 ActivZone™NoYesYesYesYesYes
 Data ReadoutsPercent goal completed, calories, calories per hour, speed, METs, time, distance, pace, heart rate and incline, wt loss and cardio target HRPercent goal completed, calories, calories per hour, speed, METs, time, distance, pace, heart rate and incline, wt loss and cardio target HRCalories, calories per hour, speed, METs, time, distance, pace and incline, heart rate, wt loss and cardio target HRCalories, 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 HR
 CardioAdvisor™YesYesYesYesYesYes
 Telemetry Heart RateYesYesYesYesYesYes
 Contact Heart RateYesYesYesYesYesNo
 Max User Weight500 lbs.500 lbs.500 lbs.450 lbs.400 lbs.400 lbs.
 Entertainment Bracket CompatibleTV screen is built-inYes, SA ENT-162391170Yes, SA ENT-16529137CYes, SA ENT-16529137CYes, SA ENT-16529137CYes, SA ENT-16529137C
 Commercial Parts WarrantyLifetime frame, lifetime motor, lifetime cushioning, 5 years parts, 1 year LCDLifetime frame, lifetime motor, lifetime cushioning, 5 years partsLifetime frame, lifetime motor, lifetime cushioning, 5 years partsLifetime frame, lifetime motor, 5 years partsLifetime frame, 5 years partsLifetime frame, 5 years parts
 Commercial Labor Warranty1 year 1 year 1 year1 year1 year1 year
 CSAFEYesYesYesYesNoNo
 USBYesYesYesYesNoNo
 FlowTec™ MotorYesYesYesYesYesPartial
 CertificationsUL1647-2010 & C22.2 68-2009 application process pending; FCC part 15 OKUL1647-2010 & C22.2 68-2009 application process pending;FCC part 15 OK UL1647-2010 & C22.2 68-2009 application process pending; FCC part 15 OKAnticipated: (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
 Power RequirementsDedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A; Consumption: 1800W; Plug: UL NEMA 5-15; Fuse: 15A (6x30mm), 100-120V, FastDedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A; Consumption: 1800W; Plug: UL NEMA 5-15; Fuse: 15A (6x30mm), 100-120V, FasDedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A; Consumption: 1800W; Plug: UL NEMA 5-15; Fuse: 15A (6x30mm), 100-120V, FasDedicated 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 blow