Data from Catalogue Descriptive of Simple and Compound Locomotives built by Brooks Locomotive Works, Dunkirk, NY (Buffalo, NY: Matthew-Northrup Company, 1899).
Builder info from B.Rumary, 25 Kingscombe, Gurney Slade, Radstock, BA3 4TH, ENGLAND and Jeremy Lambert as supplied by Allen Stanley in March 2004.
Works numbers were 3036-3037.
A small pair of diamond-stacked Consolidations for this railroad, which soon changed its name to the El Oro Mining & Railway Company.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 1 |
| Locobase ID | 9629 |
| Railroad | American Railroad & Lumber |
| Country | Mexico |
| Whyte | 2-8-0 |
| Number in Class | 2 |
| Road Numbers | 1-2 |
| Gauge | 3' |
| Number Built | 2 |
| Builder | Brooks |
| Year | 1898 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 12.17 / 3.71 |
| Engine Wheelbase (ft / m) | 20 / 6.10 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.61 |
| Overall Wheelbase (engine & tender) (ft / m) | 44.92 / 13.69 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 93,700 / 42,502 |
| Engine Weight (lbs / kg) | 104,200 / 47,264 |
| Tender Loaded Weight (lbs / kg) | 69,000 / 31,298 |
| Total Engine and Tender Weight (lbs / kg) | 173,200 / 78,562 |
| Tender Water Capacity (gals / ML) | 3000 / 11.36 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1.50 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 39 / 19.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 44 / 1118 |
| Boiler Pressure (psi / kPa) | 190 / 1310 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 20" / 432x508 |
| Tractive Effort (lbs / kg) | 21,215 / 9622.97 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.42 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 254 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.09 / 3.08 |
| Firebox Area (sq ft / m2) | 127 / 11.80 |
| Grate Area (sq ft / m2) | 17.40 / 1.62 |
| Evaporative Heating Surface (sq ft / m2) | 1458 / 135.50 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1458 / 135.50 |
| Evaporative Heating Surface/Cylinder Volume | 277.71 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3306 |
| Same as above plus superheater percentage | 3306 |
| Same as above but substitute firebox area for grate area | 24,130 |
| Power L1 | 5555 |
| Power MT | 522.80 |