Data from Lionel Wiener, "Les Locomotives Articulees Actuelles," Revue General des Chemins de Fer, Volume 49 (July 1929), pp. 7-8.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | WD |
| Locobase ID | 20152 |
| Railroad | Cundinamarca |
| Country | Colombia |
| Whyte | 2-6-2+2-6-2T |
| Number in Class | 4 |
| Road Numbers | |
| Gauge | 3' |
| Number Built | 4 |
| Builder | Kitson & Co |
| Year | 1928 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.20 / 1.89 |
| Engine Wheelbase (ft / m) | 40.32 / 12.29 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.15 |
| Overall Wheelbase (engine & tender) (ft / m) | 40.32 / 12.29 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 130,514 / 59,200 |
| Engine Weight (lbs / kg) | 157,189 / 71,300 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 2101 / 7.96 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.90 / 3 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 36 / 18 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 34.60 / 880 |
| Boiler Pressure (psi / kPa) | 190 / 1310 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14.02" x 17.99" / 356x457 (4) |
| Tractive Effort (lbs / kg) | 33,011 / 14973.56 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.95 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 109 - 2.008" / 51 |
| Flues (number - dia) (in / mm) | 14 - 5.394" / 137 |
| Flue/Tube length (ft / m) | 13.25 / 4.04 |
| Firebox Area (sq ft / m2) | 101.18 / 9.40 |
| Grate Area (sq ft / m2) | 27.99 / 2.60 |
| Evaporative Heating Surface (sq ft / m2) | 871 / 80.90 |
| Superheating Surface (sq ft / m2) | 161 / 15 |
| Combined Heating Surface (sq ft / m2) | 1032 / 95.90 |
| Evaporative Heating Surface/Cylinder Volume | 135.48 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5318 |
| Same as above plus superheater percentage | 6169 |
| Same as above but substitute firebox area for grate area | 22,300 |
| Power L1 | 4816 |
| Power MT | 488.11 |