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 ModelT652T631T621T611
 Dimensions87.25" 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 Weight339 lbs.297 lbs.297 lbs.229 lbs.
 Motor5.0 hp AC Servo4.0 hp AC Servo3.2 hp DC3.0 hp DC
 ECO-POWR™YesYesNoNo
 Running Surface22" x 61"22" x 61"22" x 61"20" x 58"
 Speed Range0.1 - 15 mph0.1 - 12 mph0.1 - 12 mph0.1 - 12 mph
 SafeStart™YesYesYesYes
 Incline Range-3% -15%0 - 15%0 - 15%0-15%
 Deck CushioningMyFlex Plus™MyFlex™MyFlex™MyFlex™
 Integrated FanOptionalOptionalOptionalOptional
 ProgramsManual/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™ ProgramsYesYesYesYes
 DisplayDot matrix and LEDsDot matrix and LEDsDot matrix and LEDsTri-color dot matrix and LEDs
 Water Bottle HolderYesYesYesYes
 ActivZone™YesYesYesYes
 Data ReadoutsCalories, 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, Heart Rate, Wt Loss and Cardio Target HRCalories, Calories per Hour, Speed, METs, Time, Distance, Pace and Incline, Heart Rate, Wt Loss and Cardio Target HRCalories, Distance, Speed, Incline, Time, Calories per hour, METs, Pace, Heart Rate, Wt Loss Target HR, Cardio Target HR
 CardioAdvisor™YesYesYesYes
 Telemetry Heart RateYesYesYesYes
 Contact Heart RateYesYesYesNo
 Max User Weight500 lbs.450 lbs.400 lbs.400 lbs.
 Entertainment Bracket CompatibleYesYesYesYes
 Commercial Parts WarrantyLifetime 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 year1 year1 year1 year
 CSAFEYesYesNoNo
 USBYesYesNoNo
 FlowTec™ MotorYesYesYesPartial
 CertificationsCONFORMS TO ANSI/UL 1647 2010 & CAN/CSA C22.2 No 68-09 2010; FCC part 18 OKCONFORMS TO ANSI/UL 1647 2010 & CAN/CSA C22.2 No 68-09 2010; FCC part 18 OKCONFORMS TO ANSI/UL 1647 2008 & CAN/CSA C22.2 No 68-09 2010; FCC part 18 OKCONFORMS TO ANSI/UL 1647 2008 & CAN/CSA C22.2 No 68-09 2010; FCC part 18 OK
 Power RequirementsDedicated 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
 Use ProfileHigh-use facility 24/7No fees facilityNo fees facilityNo fees facility