The T9550 Folding Treadmill utilizes a 3.0 hp Cambridge Motor Works™ motor with matching 3.0 hp digital drive system. For added comfort, this treadmill comes with a 4.4 mm orthopedic cushioned running belt. The workout area is a spacious 57" x 20", & the frame consists of our scratch-resistant heavy gauge tubing. in addition, the T9550 features Vision Fitness' exclusive "drop assist" deck--the shocks help support the weight when you lift & lower the deck.