Data from tables in 1930 Locomotive Cyclopedia. See the later and quite detailed overview published by designer Alphonse I Lipetz, "Russian 'Decapod' Locomotives", The Railway Engineer, Volume 43, No 2 (February 1922), pp. 51-54; April 1922, pp. 136-137; July 1922, pp. 249-251; and November 1922, pp. 415-417. (Thanks to a 14 June 2013 email from Chris Hohl pointing out that the Southern actually put numbers on these engines and for his 22 September 2017 email reporting unlikely boiler pressure values for 177 entries. A Locobase macro caused the error .) Works numbers for the locomotives in this entry were Alco's Richmond Works numbers 58837-58846, 58868-58874, 58879 in 1918. (8010 and 8018 never actually operated on the Southern.) Baldwin's works numbers were 48136-48139, 48420, 48466-48467, 48521-48522, 48685 in 1918.
875 were ordered by the Imperial Russian government in 1916; many were delivered and that design was subsequently built in the many hundreds in the Soviet Union. Others went to Japan and 200 stayed in the US. Erie had 75, Seaboard Air Line took 40, Frisco 21, and the rest distributed to 22 other railroads.
Russian decapods allocated to the Southern Railway didn't remain on that road for long. All were reassigned to other roads on 1 January 1919.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 8000 |
| Locobase ID | 66 |
| Railroad | Southern |
| Country | USA |
| Whyte | 2-10-0 |
| Number in Class | 35 |
| Road Numbers | 8000-8034 |
| Gauge | Std |
| Number Built | 35 |
| Builder | several |
| Year | 1918 |
| Valve Gear | |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 18.67 / 5.69 |
| Engine Wheelbase (ft / m) | 27.83 / 8.48 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.67 |
| Overall Wheelbase (engine & tender) (ft / m) | 60.08 / 18.31 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 180,200 / 81,737 |
| Engine Weight (lbs / kg) | 202,600 / 91,898 |
| Tender Loaded Weight (lbs / kg) | 133,100 / 60,373 |
| Total Engine and Tender Weight (lbs / kg) | 335,700 / 152,271 |
| Tender Water Capacity (gals / ML) | 7000 / 26.52 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 60 / 30 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 52 / 1321 |
| Boiler Pressure (psi / kPa) | 175 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 25" x 28" / 635x711 |
| Tractive Effort (lbs / kg) | 50,060 / 22706.86 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.60 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 194 - 2" / 51 |
| Flues (number - dia) (in / mm) | 28 - 5.375" / 137 |
| Flue/Tube length (ft / m) | 17 / 5.18 |
| Firebox Area (sq ft / m2) | 227 / 21.09 |
| Grate Area (sq ft / m2) | 64.70 / 6.01 |
| Evaporative Heating Surface (sq ft / m2) | 2610 / 242.57 |
| Superheating Surface (sq ft / m2) | 579 / 53.81 |
| Combined Heating Surface (sq ft / m2) | 3189 / 296.38 |
| Evaporative Heating Surface/Cylinder Volume | 164.05 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 11,323 |
| Same as above plus superheater percentage | 13,361 |
| Same as above but substitute firebox area for grate area | 46,876 |
| Power L1 | 8538 |
| Power MT | 522.28 |