Abstract: A hand truck apparatus includes a frame assembly, and a wheel assembly is carried by the frame assembly at the first end of the frame assembly. A platform assembly is connected to the first end of the frame assembly. A handle assembly is connected to the frame assembly at the second end of the frame assembly, and a plurality of roller assemblies are connected transversely between the lateral frame members. An extension assembly has a first end adapted to be connected to the second end of the frame assembly. The extension assembly includes a pair of lateral extension frame members spaced apart from each other by and connected to a pair of transverse extension frame members located at respective ends of the extension assembly. The extension assembly also includes a plurality of roller assemblies connected transversely between the lateral extension frame members.