Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 44, p. 167. Works number was 40218 in July 1913.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Rio Sapucahy |
| Locobase ID | 13982 |
| Railroad | Sao Paulo a Minas |
| Country | Brazil |
| Whyte | 4-6-0 |
| Number in Class | 1 |
| Road Numbers | 2 |
| Gauge | 60 cm |
| Number Built | 1 |
| Builder | Baldwin |
| Year | 1913 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 7 / 2.13 |
| Engine Wheelbase (ft / m) | 13.75 / 4.19 |
| 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) | 35,600 / 16,148 |
| Engine Weight (lbs / kg) | 44,000 / 19,958 |
| Tender Loaded Weight (lbs / kg) | 28,300 / 12,837 |
| Total Engine and Tender Weight (lbs / kg) | 72,300 / 32,795 |
| Tender Water Capacity (gals / ML) | 1500 / 5.68 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 20 / 10 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 33 / 838 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 12" x 16" / 305x406 |
| Tractive Effort (lbs / kg) | 9495 / 4306.86 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.75 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 69 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 12.79 / 3.90 |
| Firebox Area (sq ft / m2) | 43 / 3.99 |
| Grate Area (sq ft / m2) | 8.70 / 0.81 |
| Evaporative Heating Surface (sq ft / m2) | 484 / 44.96 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 484 / 44.96 |
| Evaporative Heating Surface/Cylinder Volume | 231.09 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1392 |
| Same as above plus superheater percentage | 1392 |
| Same as above but substitute firebox area for grate area | 6880 |
| Power L1 | 2937 |
| Power MT | 545.64 |