We designed a compact bin arm that works with the LEGO 4432 Garbage Truck set! Convert your existing 4432 Garbage Truck into an automated rear-loader style with a bin arm. : r/lego
Amazon.com: LEGO City Town Garbage Truck 4432 : Toys & Games
LEGO City LOT: Garbage Truck 4432 + Truck only from harbor 4645 | eBay