An occupant propelled device having at least one hydraulic cylinder, a
platform and a housing. The at least one hydraulic cylinder has at least
two chambers in fluid communication. The platform is attachable to the at
least one hydraulic cylinder, such that upon movement of the platform a
hydraulic fluid is displaced from one chamber to the other chamber. The
housing is attachable to the platform at a pivot point and has at least
one axle adapted to receive at least one wheel.