| | Model | T670e | T652 | T652M | T631 | T621 | T611 |
| | Dimensions | 83.25" x 38.5" x 55" | 87.25" x 37.5" x 56" | 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 Weight | 418 lbs. | 339 lbs. | 352 lbs | 297 lbs | 297 lbs. | 229 lbs. |
| | Motor | 5.0 hp EAC Servo | 5.0 hp EAC Servo | 5.0 hp EAC Servo | 4 hp AC servo motor | 3.2 hp DC | 3.0 hp DC |
| | ECO-POWR™ | Yes | Yes | Yes | Yes | No | No |
| | Running Surface | 22" x 62" | 22" x 61" | 22" x 61" | 22" x 61" | 22" x 61" | 20" x 58" |
| | Medical Rails | N/A | Optional | Standard | Optional | Optional | Optional |
| | Speed Range | 0.1 - 15 mph | 0.1 - 15 mph | Backward: 0.1 - 3 mph Forward: 0.1 - 12 mph | 0.1 - 12 mph | 0.1 - 12 mph | 0.1 - 12 mph |
| | SafeStart™ | Yes | Yes | Yes | Yes | Yes | Yes |
| | Incline Range | 0 - 15% | -3% -15% | -3 to 15% | 0 - 15% | 0 - 15% | 0-15% |
| | Deck Cushioning | MyFlex Plus™ | MyFlex Plus™ | MyFlex Plus™ | MyFlex™ | MyFlex™ | MyFlex™ |
| | Programs | Manual/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 Start | Manual/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 | Manual/Track, Random, Glute 30, Glute 45, 3 Intervals, Weight Loss HRC, Cardio HRC, Fitness Test (Bruce, Gerkin), 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™ Programs | No | Yes | Yes | Yes | Yes | Yes |
| | Display | Tri-color dot matrix with LEDs | Dot matrix display with LEDs | Tri-color dot matrix with LEDs | dot matrix and LEDs | dot matrix and LEDs | Tri-Color Dot Matrix with LEDs |
| | Water Bottle Holder | Yes | Yes | Yes | Yes | Yes | Yes |
| | ActivZone™ | Yes | Yes | Yes | Yes | Yes | Yes |
| | Data Readouts | Percent goal completed, calories, calories per hour, speed, METs, time, distance, pace, heart rate and incline, wt loss and cardio target HR | Calories, calories per hour, speed, METs, time, distance, pace and incline, heart rate, wt loss and cardio target HR | Calories, calories per hour, speed, METs, time, distance, pace and incline, heart rate, wt loss and cardio target HR, (-3% incline and 3 mph backward belt rotation) | Calories, calories per hour, speed, METs, time, distance, pace and incline, actual heart rate, wt loss target HR, cardio target HR | Calories, calories per hour, speed, METs, time, distance, pace, incline, actual heart rate, wt loss target HR, cardio target HR | Calories, Distance, Speed, Incline, Time, Calories per hour, METs, Pace, Heart Rate, Wt Loss Target HR, Cardio Target HR |
| | CardioAdvisor™ | Yes | Yes | Yes | Yes | Yes | Yes |
| | Telemetry Heart Rate | Yes | Yes | Yes | Yes | Yes | Yes |
| | Contact Heart Rate | Yes | Yes | Yes | Yes | Yes | No |
| | Max User Weight | 500 lbs. | 500 lbs. | 500 lbs. | 450 lbs. | 400 lbs. | 400 lbs. |
| | Entertainment Bracket Compatible | Yes, SA ENT-162391170 | Yes, SA ENT-16529137C | Yes, SA ENT-16529137C | Yes, SA ENT-16529137C | Yes, SA ENT-16529137C | Yes, SA ENT-16529137C |
| | Commercial Parts Warranty | Lifetime frame, lifetime motor, lifetime cushioning, 5 years parts | Lifetime frame, lifetime motor, lifetime cushioning, 5 years parts | Lifetime frame, lifetime motor, lifetime cushioning, 5 years parts | Lifetime frame, lifetime motor, 5 years parts | Lifetime frame, 5 years parts | Lifetime frame, 5 years parts |
| | Commercial Labor Warranty | 1 year | 1 year | 1 year | 1 year | 1 year | 1 year |
| | CSAFE | Yes | Yes | Yes | Yes | No | No |
| | USB | Yes | Yes | Yes (IHP to come) | Yes | No | No |
| | Step Up Height | 8" | 8" | 8" | 7.5" | 7.5" | 6" |
| | FlowTec™ Motor | Yes | Yes | Yes | Yes | Yes | Partial |
| | Certifications | UL1647-2010 & C22.2 68-2009 application process pending;FCC part 15 OK | UL1647-2010 & C22.2 68-2009 application process pending; FCC part 15 OK | CONFORMS TO UL60601-1~2006 & c22.2 No 60601-1~2008 (IN PROCESS); FCC part 18 OK | 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 | Anticipated: (CE EMC LVD EMF, EMI (AUS), UL1647 C22.2 68-92; FCC part 15 |
| | Power Requirements | Dedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A; Consumption: 1800W; Plug: UL NEMA 5-15; Fuse: 15A (6x30mm), 100-120V, Fas | Dedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A; Consumption: 1800W; Plug: UL NEMA 5-15; Fuse: 15A (6x30mm), 100-120V, Fas | Dedicated Power Supply Required (N. Amer.): 120 VAC, 60 Hz, 15A; Consumption: 1800W; Plug: UL NEMA 5-15; Fuse: 15A (6x30mm), 100-120V, Fast | Dedicated 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 blow | Dedicated 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 blow | Dedicated 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 |