Abstract: A coke quenching car comprises an open coke receptacle having a sloping bottom wall inclined toward one side, closely spaced vertical internal walls, a vertical side wall opposite the one side and end walls. All of the walls are formed with cooling fluid passages. The vertical side wall includes a coke discharge opening closed by a swingable L-shaped flap having a leg portion with a cooling fluid passage and a foot portion underhanging the bottom wall in a closed position. The foot portion is provided with aperatures for draining quench water from the receptacle when the flap is swung into a drain position. A fluid cooled slidable cover for the receptacle is provided.