Abstract: The present invention involves a ganged single axis solar tracker and its drive system having at least two rows of solar trackers and a drive mechanism. Each tracker row shares one common rotation axis and the at least two tracker rows are placed in parallel. At least one torque arm is rigidly and perpendicularly connected to the each tracker rotation axis. The drive mechanism has at least one rotary actuator, such as a slew drive, whose rotation axis is parallel to the tracker rotation axes. At least one drive torque arm is rigidly and perpendicularly connected to the drive rotation axis. The drive torque arm and the tracker torque arms are hinge connected with a series of rigid beams. The linkage beams are perpendicular to the tracker and drive rotation axes. The rotary drive rotates and creates a rotation movement. The drive torque arm follows the rotation movement of the drive, which consequently converts a linear push-pull movement in the linkage beams.