Data from Baldwin Locomotive Works Specification for Engines, 1903, as digitized by the DeGolyer Library of Southern Methodist University Volume 26, p. 279. Works number was 23927 in March 1904.
A middle-of-the-pack Mogul for this Texas railroad. For a description of the railroad, see Locobase 10779.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 85 |
| Locobase ID | 11491 |
| Railroad | Galveston, Houston & Henderson |
| Country | USA |
| Whyte | 2-6-0 |
| Number in Class | 1 |
| Road Numbers | 85 |
| Gauge | Std |
| Number Built | 1 |
| Builder | Burnham, Williams & Co |
| Year | 1904 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 14 / 4.27 |
| Engine Wheelbase (ft / m) | 21.83 / 6.65 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.64 |
| Overall Wheelbase (engine & tender) (ft / m) | 50 / 15.24 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 113,000 / 51,256 |
| Engine Weight (lbs / kg) | 131,000 / 59,421 |
| Tender Loaded Weight (lbs / kg) | 100,000 / 45,359 |
| Total Engine and Tender Weight (lbs / kg) | 231,000 / 104,780 |
| Tender Water Capacity (gals / ML) | 5000 / 18.94 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2100 / 7949 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 63 / 31.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 62 / 1575 |
| Boiler Pressure (psi / kPa) | 200 / 1380 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 19" x 26" / 483x660 |
| Tractive Effort (lbs / kg) | 25,736 / 11673.67 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.39 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 280 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 11.50 / 3.51 |
| Firebox Area (sq ft / m2) | 143 / 13.29 |
| Grate Area (sq ft / m2) | 27.70 / 2.57 |
| Evaporative Heating Surface (sq ft / m2) | 1815 / 168.68 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1815 / 168.68 |
| Evaporative Heating Surface/Cylinder Volume | 212.78 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 5540 |
| Same as above plus superheater percentage | 5540 |
| Same as above but substitute firebox area for grate area | 28,600 |
| Power L1 | 6130 |
| Power MT | 358.79 |