Total weight of engine, about 66,000 pounds. LOAD. IN ADDITION TO ENGINE AND TENDER. On a level 1600 gross tons. " 20 ft. grade 755 " " " 40 " 485 " " " 60 " 350 " " " 80 " 270 " " " 100 " 215 " " [Illustration: Locomotive.] DIVISION VI. TANK SWITCHING ENGINES. CLASS 8 C. General Design Illustrated by Print on Page 106. CYLINDERS. Diameter of cylinders 9 inches. Length of stroke 16 " DRIVING-WHEELS. Diameter of drivers 36 inches. WHEEL-BASE. Total wheel-base 6 ft. 6 inches. Rigid " 6 ft. 6 inches. TANK. Capacity 250 gallons. WEIGHT OF ENGINE IN WORKING ORDER. Total weight of engine, about 25,000 pounds. LOAD. IN ADDITION TO WEIGHT OF ENGINE. On a level 565 gross tons. " 20 ft. grade 265 " " " 40 " 170 " " " 60 " 125 " " " 80 " 100 " " " 100 " 80 " " DIVISION VI. TANK SWITCHING ENGINES. CLASS 10-1/2 C. General Design Illustrated by Print on Page 106. CYLINDERS Diameter of cylinders 11 inches. Length of stroke 16 " DRIVING-WHEELS. Diameter of drivers 36 inches. WHEEL-BASE. Total wheel-base 6 ft. 6 inches. Rigid " 6 ft. 6 inches. TANK. Capacity 400 gallons. WEIGHT OF ENGINE IN WORKING ORDER. Total weight of engine, about 38,000 pounds. LOAD. IN ADDITION TO WEIGHT OF ENGINE. On a level 855 gross tons. " 20 ft. grade 405 " " " 40 " 265 " " " 60 " 195 " " " 80 " 150 " " " 100 " 120 " " DIVISION VI. TANK SWITCHING ENGINES. CLASS 12 C. General Design Illustrated by Print on Page 106. CYLINDERS.