Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 20, p. 26 Works numbers were 14450-14451 in September 1895.
The Sobral was later incorporated into the North Eastern Railway of Brasil.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 8 |
| Locobase ID | 12163 |
| Railroad | Sobral |
| Country | Brazil |
| Whyte | 2-6-0 |
| Number in Class | 2 |
| Road Numbers | 8-9 |
| Gauge | Metre |
| Number Built | 2 |
| Builder | Burnham, Williams & Co |
| Year | 1895 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 9.50 / 2.90 |
| Engine Wheelbase (ft / m) | 15.83 / 4.82 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.60 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 45,000 / 20,412 |
| Engine Weight (lbs / kg) | 55,000 / 24,948 |
| Tender Loaded Weight (lbs / kg) | / 816 |
| Total Engine and Tender Weight (lbs / kg) | / 25,764 |
| Tender Water Capacity (gals / ML) | 1800 / 5.68 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 25 / 12.50 |
| 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) | 14" x 18" / 356x457 |
| Tractive Effort (lbs / kg) | 11,424 / 5181.85 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.94 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 193 - 1.5" / 38 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.25 / 2.51 |
| Firebox Area (sq ft / m2) | 64.21 / 5.97 |
| Grate Area (sq ft / m2) | 10 / 0.93 |
| Evaporative Heating Surface (sq ft / m2) | 689 / 64.03 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 689 / 64.03 |
| Evaporative Heating Surface/Cylinder Volume | 214.84 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1600 |
| Same as above plus superheater percentage | 1600 |
| Same as above but substitute firebox area for grate area | 10,274 |
| Power L1 | 3527 |
| Power MT | 518.38 |