Data from [], the web site of the Spanish National Railway. visited 21 April 2003. See also [], last accessed 12 April 2015.
The Trenes y Tiempos blog says that this was a typical industrial switcher and was too small to have ever served as a road engine. Later photos showed it fitted with a frame ahead of the smokebox that allowed for easy extraction of the bundle of boiler tubes.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 3/Chelito/020-0251 |
| Locobase ID | 5544 |
| Railroad | Tomelloso a Argamasilla/Tomelloso-Cinco Casas |
| Country | Spain |
| Whyte | 0-4-0T |
| Number in Class | 1 |
| Road Numbers | 3/020-0251 |
| Gauge | 5'6" |
| Number Built | 1 |
| Builder | Henschel & Sohn |
| Year | 1921 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 5.92 / 1.81 |
| Engine Wheelbase (ft / m) | 5.92 / 1.81 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 5.92 / 1.81 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 23,149 / 10,500 |
| Weight on Drivers (lbs / kg) | 46,297 / 21,000 |
| Engine Weight (lbs / kg) | 46,297 / 21,000 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1056 / 4 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.10 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 39 / 19.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 33.50 / 850 |
| Boiler Pressure (psi / kPa) | 142.10 / 980 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 11.02" x 16.34" / 280x415 (1) |
| Tractive Effort (lbs / kg) | 3577 / 1622.50 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 12.94 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 108 - 1.772" / 45 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.37 / 2.55 |
| Firebox Area (sq ft / m2) | 240.04 / 22.30 |
| Grate Area (sq ft / m2) | 11.84 / 1.10 |
| Evaporative Heating Surface (sq ft / m2) | 589 / 54.70 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 589 / 54.70 |
| Evaporative Heating Surface/Cylinder Volume | 653.06 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1682 |
| Same as above plus superheater percentage | 1682 |
| Same as above but substitute firebox area for grate area | 34,110 |
| Power L1 | 15,739 |
| Power MT | 1498.95 |