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.