Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 20 p. 29. Works numbers were 14490-14491 in October 1895.
The other radial tank in this pair was named Iapo. They were renumbered 5-6.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Tibagy |
| Locobase ID | 12174 |
| Railroad | Sao Paulo a Rio Grande |
| Country | Brazil |
| Whyte | 0-6-2T |
| Number in Class | 2 |
| Road Numbers | 1-2/5-6 |
| Gauge | Metre |
| Number Built | 2 |
| Builder | Burnham, Williams & Co |
| Year | 1895 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 8 / 2.44 |
| Engine Wheelbase (ft / m) | 16.83 / 5.13 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.48 |
| Overall Wheelbase (engine & tender) (ft / m) | 16.83 / 5.13 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 51,000 / 23,133 |
| Engine Weight (lbs / kg) | 57,000 / 25,855 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 850 / 3.22 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 28 / 14 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 36 / 914 |
| Boiler Pressure (psi / kPa) | 160 / 1100 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 18" / 356x457 |
| Tractive Effort (lbs / kg) | 13,328 / 6045.49 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.83 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 76 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.83 / 3.30 |
| Firebox Area (sq ft / m2) | 60.74 / 5.64 |
| Grate Area (sq ft / m2) | 10 / 0.93 |
| Evaporative Heating Surface (sq ft / m2) | 487 / 45.26 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 487 / 45.26 |
| Evaporative Heating Surface/Cylinder Volume | 151.85 |
| 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 | 9718 |
| Power L1 | 2367 |
| Power MT | 306.96 |