Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 20 p. 29. Works number was 14523 in November 1895.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 146 |
| Locobase ID | 12175 |
| Railroad | Sul do Pernambuco |
| Country | Brazil |
| Whyte | 0-4-4T |
| Number in Class | 1 |
| Road Numbers | 146 |
| Gauge | Metre |
| Number Built | 1 |
| Builder | Burnham, Williams & Co |
| Year | 1895 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 5.50 / 1.68 |
| Engine Wheelbase (ft / m) | 18.50 / 5.64 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.30 |
| Overall Wheelbase (engine & tender) (ft / m) | 18.50 / 5.64 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 36,000 / 16,329 |
| Engine Weight (lbs / kg) | 51,000 / 23,133 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 800 / 3.03 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 30 / 15 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 40 / 1016 |
| Boiler Pressure (psi / kPa) | 150 / 1030 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 13" x 18" / 330x457 |
| Tractive Effort (lbs / kg) | 9696 / 4398.04 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.71 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 62 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 9 / 2.74 |
| Firebox Area (sq ft / m2) | 60.89 / 5.66 |
| Grate Area (sq ft / m2) | 8.90 / 0.83 |
| Evaporative Heating Surface (sq ft / m2) | 448 / 41.64 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 448 / 41.64 |
| Evaporative Heating Surface/Cylinder Volume | 162.01 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1335 |
| Same as above plus superheater percentage | 1335 |
| Same as above but substitute firebox area for grate area | 9134 |
| Power L1 | 2721 |
| Power MT | 333.27 |