Compare side by side

Machine 5 ft 3 in by 2 ft 10 in

8 ft 3 in by 6 ft 2 in with clearance

Machine 6 ft 9 in by 3 ft

10 ft by 6 ft 4 in with clearance

Machine 6 ft 10 in by 3 ft

10 ft 1 in by 6 ft 4 in with clearance (approximate)

5 HP AC motor

5.0 HP AC motor

0.5 to 15 mph; 0 to 20% incline

Up to 12 mph; 15 incline levels

60 x 22 in running area, SoftTrac triple-cell cushioning

22 x 62 in deck with polyurethane shocks

400 lb max user weight

500 lb max user weight

450 lb max user weight; 516 lb

63 x 34 x 81 in; 615 lb

81 x 35.5 x 60 in; 465 lb

Large step surface 12 in deep x 22 in wide

10 ft recommended ceiling

Fitness test programs (Gerkin, Army PFT, Navy)