Data from narrowmind.railfan.net; works number 62437 in August 1940.
Some of the figures in the original document were difficult to read, in particular those relating to adhesion and engine weights. This wood-burner had a large firebox.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 21 |
| Locobase ID | 4426 |
| Railroad | E de F de Coiax |
| Country | Brazil |
| Whyte | 4-6-0 |
| Number in Class | 1 |
| Road Numbers | 21 |
| Gauge | metre |
| Number Built | 1 |
| Builder | Baldwin |
| Year | 1940 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 7.83 / 2.39 |
| Engine Wheelbase (ft / m) | 17.17 / 5.23 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.46 |
| Overall Wheelbase (engine & tender) (ft / m) | 44.23 / 13.48 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | |
| Engine Weight (lbs / kg) | |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 2440 / 9.24 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 48 / 1219 |
| Boiler Pressure (psi / kPa) | 198.70 / 1370 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 23" / 356x584 |
| Tractive Effort (lbs / kg) | 15,862 / 7194.89 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 59 - 2" / 51 |
| Flues (number - dia) (in / mm) | 12 - 5.375" / 137 |
| Flue/Tube length (ft / m) | 14.42 / 4.40 |
| Firebox Area (sq ft / m2) | 78 / 7.25 |
| Grate Area (sq ft / m2) | 31.10 / 2.89 |
| Evaporative Heating Surface (sq ft / m2) | 766 / 71.19 |
| Superheating Surface (sq ft / m2) | 197 / 18.31 |
| Combined Heating Surface (sq ft / m2) | 963 / 89.50 |
| Evaporative Heating Surface/Cylinder Volume | 186.93 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 6180 |
| Same as above plus superheater percentage | 7415 |
| Same as above but substitute firebox area for grate area | 18,598 |
| Power L1 | 11,362 |
| Power MT | |