The Royal Hudsons, represented here by No. 2856, weighed 355,000 pounds minus tender and developed 45,300 pounds of tractive effort. They had 73-inch drivers and 22x30-inch cylinders. With a boiler pressure of 275 pounds and a grate area of 81 square feet, their evaporative heating surface totaled 3791 square feet and their superheating surface 1542 square feet. This view of No. 2856 at Windsor, Ontario, is from the collection of Tom Rock of T.D.R. Productions. The photo is the work of anonymous photographer at an unknown date.