A locking assembly for a three-point hitch quick coupler includes a locking plate configured to be movably coupled to a main support of the three-point hitch quick coupler. The locking plate is configured to block removal of a lower hitch pin from a lower hook of the three-point hitch quick coupler while the locking plate is in a closed position, and the locking plate is configured to enable removal of the lower hitch pin from the lower hook while the locking plate is in an open position. The locking assembly also includes an actuator coupled to the locking plate and configured to be coupled to the main support of the three-point hitch quick coupler. The actuator is configured to drive the locking plate to move between the open and closed positions.