Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 20, p. 215. Works numbers were 15071-15072 in October 1896.
Based in San Salvador, these Ten-wheelers were still active in 1956. They had been scrapped by November 1977.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 9 |
| Locobase ID | 12222 |
| Railroad | Acajutla & Sonsonate |
| Country | El Salvador |
| Whyte | 4-6-0 |
| Number in Class | 2 |
| Road Numbers | 9-10 |
| Gauge | 3' |
| Number Built | 2 |
| Builder | Burnham, Williams & Co |
| Year | 1896 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 7.42 / 2.26 |
| Engine Wheelbase (ft / m) | 16.75 / 5.11 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.44 |
| Overall Wheelbase (engine & tender) (ft / m) | 40.83 / 12.44 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 60,000 / 27,216 |
| Engine Weight (lbs / kg) | 72,000 / 32,659 |
| Tender Loaded Weight (lbs / kg) | 40,000 / 18,144 |
| Total Engine and Tender Weight (lbs / kg) | 112,000 / 50,803 |
| Tender Water Capacity (gals / ML) | 2000 / 7.58 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 33 / 16.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 42 / 1067 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 20" / 406x508 |
| Tractive Effort (lbs / kg) | 16,579 / 7520.12 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.62 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 117 - 2.25" / 57 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 13.33 / 4.06 |
| Firebox Area (sq ft / m2) | 95 / 8.83 |
| Grate Area (sq ft / m2) | 14 / 1.30 |
| Evaporative Heating Surface (sq ft / m2) | 1008 / 93.68 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1008 / 93.68 |
| Evaporative Heating Surface/Cylinder Volume | 216.58 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2240 |
| Same as above plus superheater percentage | 2240 |
| Same as above but substitute firebox area for grate area | 15,200 |
| Power L1 | 3569 |
| Power MT | 393.41 |