Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 23, p 82. Works numbers were 18085 in September 1900, 18325 in October.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Las Cuartas |
| Locobase ID | 12438 |
| Railroad | SA Minas de Heras de Santander |
| Country | Spain |
| Whyte | 0-6-2T |
| Number in Class | 2 |
| Road Numbers | 6-7 |
| Gauge | Metre |
| Number Built | 2 |
| Builder | Burnham, Williams & Co |
| Year | 1900 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 9.42 / 2.87 |
| Engine Wheelbase (ft / m) | 17.92 / 5.46 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.53 |
| Overall Wheelbase (engine & tender) (ft / m) | 17.92 / 5.46 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 56,000 / 25,401 |
| Engine Weight (lbs / kg) | 63,000 / 28,576 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 800 / 3.03 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 31 / 15.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 48 / 838 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 20" / 305x406 |
| Tractive Effort (lbs / kg) | 11,107 / 5038.06 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.04 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 75 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 13.04 / 3.97 |
| Firebox Area (sq ft / m2) | 37.52 / 3.49 |
| Grate Area (sq ft / m2) | 9.16 / 0.85 |
| Evaporative Heating Surface (sq ft / m2) | 541 / 50.28 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 541 / 50.28 |
| Evaporative Heating Surface/Cylinder Volume | 151.82 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1466 |
| Same as above plus superheater percentage | 1466 |
| Same as above but substitute firebox area for grate area | 6003 |
| Power L1 | 2617 |
| Power MT | 309.08 |