The forklift attachment allows one or more stacked large waste carts to be easily lifted and transported. The attachment includes an upright back, a standoff boot extending forward from the bottom of the back, a neck extending forward from the top of the back, and a lift saddle welded to the distal end of the neck. The standoff boot includes a tilt plate extending outward from a forward contact surface. The lift saddle is a generally flat, U-shaped plate welded perpendicularly to the distal end of the neck and is configured to seat under the peripheral rim of a large waste cart. The tilt plate extends into a vertical channel formed in the cart body and flange generally abuts the bottom wall of the channel to help prevent waste carts from tipping side to side as the forklift lifts and transports the waste cart.