Data from [] on a relatively rare wheel arrangement for Spanish service. [] (28 April 2003) has the diagrama with all dimensions and weights.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 040-0221 |
| Locobase ID | 5512 |
| Railroad | Central de Aragon |
| Country | Spain |
| Whyte | 0-8-0T |
| Number in Class | 2 |
| Road Numbers | 81-82 |
| Gauge | 5'6" |
| Number Built | 2 |
| Builder | Henschel & Sohn |
| Year | 1928 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 14.07 / 4.29 |
| Engine Wheelbase (ft / m) | 14.07 / 4.29 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 35,825 / 16,250 |
| Weight on Drivers (lbs / kg) | 143,300 / 65,000 |
| Engine Weight (lbs / kg) | 143,300 / 65,000 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 2114 / 8.01 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2.80 / 3 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 60 / 30 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 47.20 / 1200 |
| Boiler Pressure (psi / kPa) | 188.50 / 1300 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 22.05" x 21.65" / 560x550 |
| Tractive Effort (lbs / kg) | 35,732 / 16207.78 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.01 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 110 - 1.81" / 46 |
| Flues (number - dia) (in / mm) | 29 - 3.23" / 82 |
| Flue/Tube length (ft / m) | 12.47 / 3.80 |
| Firebox Area (sq ft / m2) | 98.99 / 9.20 |
| Grate Area (sq ft / m2) | 24.75 / 2.30 |
| Evaporative Heating Surface (sq ft / m2) | 1241 / 115.33 |
| Superheating Surface (sq ft / m2) | 608 / 56.51 |
| Combined Heating Surface (sq ft / m2) | 1849 / 171.84 |
| Evaporative Heating Surface/Cylinder Volume | 129.69 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 4665 |
| Same as above plus superheater percentage | 6205 |
| Same as above but substitute firebox area for grate area | 24,817 |
| Power L1 | 11,170 |
| Power MT | 687.39 |