
Big Cat, a Koehring excavator shows viewers how he and his friends help build a hospital from digging the foundation to building the walls. Other members of the construction company include Skinny, a mobile crane who helps build concrete walls by dumping concrete into molds using a concrete hopper, Treads, a bulldozer, Charlie, a concrete mixer truck who brings concrete to the construction site, Mallory, a forklift who moves construction materials around the construction site and works with Lurch, another mobile crane who unloads construction materials off trucks and also brings the construction materials to where they're needed, George, a semi-dump truck who brings sand to the construction, Boomer, another mobile crane who helps set up wall molds for Skinny to dump concrete into, and Putt Putt, a mini dumper who helps build concrete floors.