A control system for a scissors lift vehicle , the scissors lift vehicle comprising a plurality of independently steerable wheel assemblies , the control system comprising: a main computer comprising one or more processors and one or more memory devices communicatively coupled to said one or more processors ; a steer controller configured to receive commands from said main computer to control each of the plurality of independently steerable wheel assemblies , each of the plurality of independently steerable wheel assemblies comprising a steer angle sensor ; a scissors lift controller configured to control a hydraulic piston assembly comprising a hydraulic fluid reservoir internal to a piston rod assembly; characterized in that the control system further comprises: a tilt sensor configured to determine an angle of incline of the scissors lift vehicle ; a plurality of variable-speed steer motors , each variable-speed steer motor coupled to a respective wheel assembly for rotating the respective wheel assembly about a steer axis of rotation at a selectable rate, whereby each wheel assembly is configured to be independently rotated by a respective variable-speed steer motor ; and a plurality of variable-speed drive motors each configured to rotate an associated wheel included in a respective wheel assembly about a respective drive axis of rotation at a selectable rate so that at least a single wheel per side of the scissors lift vehicle is driven. a main computer comprising one or more processors and one or more memory devices communicatively coupled to said one or more processors ; a steer controller configured to receive commands from said main computer to control each of the plurality of independently steerable wheel assemblies , each of the plurality of independently steerable wheel assemblies comprising a steer angle sensor ; a scissors lift controller configured to control a hydraulic piston assembly comprising a hydraulic fluid reservoir internal to a piston rod assembly; characterized in that the control system further comprises: a tilt sensor configured to determine an angle of incline of the scissors lift vehicle ; a plurality of variable-speed steer motors , each variable-speed steer motor coupled to a respective wheel assembly for rotating the respective wheel assembly about a steer axis of rotation at a selectable rate, whereby each wheel assembly is configured to be independently rotated by a respective variable-speed steer motor ; and a plurality of variable-speed drive motors each configured to rotate an associated wheel included in a respective wheel assembly about a respective drive axis of rotation at a selectable rate so that at least a single wheel per side of the scissors lift vehicle is driven. a tilt sensor configured to determine an angle of incline of the scissors lift vehicle ; a plurality of variable-speed steer motors , each variable-speed steer motor coupled to a respective wheel assembly for rotating the respective wheel assembly about a steer axis of rotation at a selectable rate, whereby each wheel assembly is configured to be independently rotated by a respective variable-speed steer motor ; and a plurality of variable-speed drive motors each configured to rotate an associated wheel included in a respective wheel assembly about a respective drive axis of rotation at a selectable rate so that at least a single wheel per side of the scissors lift vehicle is driven. <EOS>