It really is a large plane.
Reminds me of my days as ground crew on a Grumman Ag-Cat back in high school. Big round engine, 2 wings. But Ag-Cats are a fraction this size, with rag wings and a 2,000 lb useful payload. The An-2 will carry about 3000lbs or 12 pax 18 meter wings and 13 meters long.