Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 27, p. 244. Works number was 25839 in June 1905.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Huauchinango |
| Locobase ID | 12777 |
| Railroad | Hidalgo y Nordeste |
| Country | Mexico |
| Whyte | 4-6-0 |
| Number in Class | 1 |
| Road Numbers | 26 |
| Gauge | 3' |
| Number Built | 1 |
| Builder | Burnham, Williams & Co |
| Year | 1905 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 10 / 3.05 |
| Engine Wheelbase (ft / m) | 19.42 / 5.92 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.51 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 47,000 / 21,319 |
| Engine Weight (lbs / kg) | 64,000 / 29,030 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| 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) | 26 / 13 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 48 / 1219 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 15" x 20" / 381x508 |
| Tractive Effort (lbs / kg) | 14,344 / 6506.34 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.28 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 128 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 11.67 / 3.56 |
| Firebox Area (sq ft / m2) | 74.20 / 6.90 |
| Grate Area (sq ft / m2) | 12.32 / 1.14 |
| Evaporative Heating Surface (sq ft / m2) | 860 / 79.93 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 860 / 79.93 |
| Evaporative Heating Surface/Cylinder Volume | 210.27 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2218 |
| Same as above plus superheater percentage | 2218 |
| Same as above but substitute firebox area for grate area | 13,356 |
| Power L1 | 4334 |
| Power MT | 609.88 |