A retractable ramp system , comprising: a frame including a front member , a first side member , a second side member , a rear member , and a frame floor , the rear member being pivotally coupled to the frame so that the rear member is pivotal between an open position and a closed position; a first track coupled to the first side member and defining a first longitudinal channel therein, the first longitudinal channel of the first track includes a first end and a second end, the first end being positioned longitudinally between the front member of the frame and the second end ; a second track coupled to the second side member and defining a second longitudinal channel therein, the second longitudinal channel of the second track including a first end and a second end , the first end being positioned longitudinally between the front member of the frame and the second end ; a ramp pivotably coupled to the first and second tracks about a pivot axis, the ramp including a ramp floor , a first side panel , and a second side panel and a pivot pin defining the pivot axis about which the ramp is pivoted; characterised in that a first latch member (306; 308) is coupled to the first side panel and a second latch member is coupled to the second side panel ; and a pin is coupled to one of the first side member and the second side member ; wherein, the ramp is movable between (i) a raised position, (ii) a lowered position, and (iii) a stowed position, wherein the pivot pin is slidably coupled to slide within and along one of the longitudinal channels of the first track and the second track wherein the ramp pivots about the pivot pin at the second end while the pivot pin is located in one of the longitudinal channels when the ramp is pivoted from the lowered position to the stowed position to engage the pin with one of the first latch member and the second latch member ; further wherein, one of the first latch member and the second latch member is coupled to the pin in the stowed position. a frame including a front member , a first side member , a second side member , a rear member , and a frame floor , the rear member being pivotally coupled to the frame so that the rear member is pivotal between an open position and a closed position; a first track coupled to the first side member and defining a first longitudinal channel therein, the first longitudinal channel of the first track includes a first end and a second end, the first end being positioned longitudinally between the front member of the frame and the second end ; a second track coupled to the second side member and defining a second longitudinal channel therein, the second longitudinal channel of the second track including a first end and a second end , the first end being positioned longitudinally between the front member of the frame and the second end ; a ramp pivotably coupled to the first and second tracks about a pivot axis, the ramp including a ramp floor , a first side panel , and a second side panel and a pivot pin defining the pivot axis about which the ramp is pivoted; characterised in that a first latch member (306; 308) is coupled to the first side panel and a second latch member is coupled to the second side panel ; and a pin is coupled to one of the first side member and the second side member ; wherein, the ramp is movable between (i) a raised position, (ii) a lowered position, and (iii) a stowed position, wherein the pivot pin is slidably coupled to slide within and along one of the longitudinal channels of the first track and the second track wherein the ramp pivots about the pivot pin at the second end while the pivot pin is located in one of the longitudinal channels when the ramp is pivoted from the lowered position to the stowed position to engage the pin with one of the first latch member and the second latch member ; further wherein, one of the first latch member and the second latch member is coupled to the pin in the stowed position. <EOS>