The Massey Ferguson 1020 tractor was manufactured in the 1970s and 1980s and was equipped with either 5.00-16 or 6.00-16 rear tires, dependent on the model and year. The 5.00-16 tires measure 20.5 inches in overall diameter, 5 inches in width and have a rim size of 5.50 inches. The 6.00-16 tires measure 23.3 inches in overall diameter, 6 inches in width and have a rim size of 6.00 inches.