Access system for a work vehicle

An access ladder assembly for a work vehicle comprising:

• a crossbar defining a longitudinal axis, the crossbar including a first end and a second end;
• a support rail having a support rail first end rotatably connected to the first end the crossbar and rotatable about the longitudinal axis of the crossbar, a support rail second end spaced from the support rail first end, and a support rail slot extending from the support rail first end to the support rail second end;
• a slider movably connected to the support rail to move along the support rail slot from the support rail second end toward the support rail first end;
• an actuator housing having an actuator housing slot located at a side of the actuator housing, wherein the second end of the crossbar extends through a first end of the actuator housing;
• an actuator located inside the actuator housing, the actuator having an actuator first end rotatably connected to the second end of the crossbar and rotatable about the longitudinal axis of the crossbar, and an actuator second end spaced from the actuator first end, the actuator including an extended position and a retracted position;
• a step extending between the actuator housing slot and the support rail slot, the step operatively connected to the actuator second end through the actuator housing slot and operatively, connected to the slider through the support rail slot, wherein the step moves along the actuator housing slot from a lowered position when the actuator is at the extended position and a raised position when the actuator is at the retracted position, wherein the step is located between the slider and the actuator as the step moves from the lowered position to the raised position;
• and
• a plurality of backup steps mounted on a side of the support rail opposite the support rail slot or on a side of die actuator housing opposite the actuator housing slot, wherein each of the plurality of backup steps extends in a direction away from the step.