A waste receptacle dumping mechanism. The receptacle dumping mechanism of the present invention comprises a vehicle mounted cylinder actuated mechanism for engaging and translating waste receptacles from a first position in front of the vehicle to a second position over a waste receiving opening associated with a vehicle container. A cylinder is provided for tilting and emptying the receptacle once it has been placed above the opening. The mechanism of the present invention provides improved adjustable stabilizer rods which provide for accurate engaging of the dumping mechanism with the waste receptacle as well as extending the life of the mechanism and reducing the amount of down time for repairs.