A motorized cart collector for pulling two rows of carts in a forward direction over a surface includes a mobile body having a frame and a cart connector assembly. The cart connector assembly is pivotally connected to a rear end of the frame for pivotal movement about a vertical axis that is approximately perpendicular to the surface. The cart connector assembly includes first and second cart connectors that respectively configured to simultaneously attach to first and second lead carts. Also disclosed is a method of pulling two rows of carts using the cart collector.