1/16 John Deere 4520 Diesel Tractor, 2001 National Farm Toy Show Collector Edition. Toy Farmer. High quality die cast metal and plastic replica. Highly detailed. Toy is new and is still factory sealed. The carton is like new. All photos are of the actual John Deere 4520 Diesel tractor and carton, not stock photos. Manufactured by ERTL in 2001, stock number 16087A.