Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 63, p. 273. Works numbers were 47234 in December 1917 and 53857 in October 1920.
The P&G used tracks of the Fortuna Railroad to reach Ponce, turning east away from the northerly Fortuna a few miles along. From there it ran 36 miles (58 km) on 40 lb/yard (20 kg/metre) rails along Puerto Rico's south coast through several Centrals, Aguirre, Salinas before arcing north and climbing to nearly 200 feet ASL (61 metres) before arriving in Guayama. Beginning in 1910, the P&G bought the franchise originally granted to the Ferrocarriles de Puerto Rico to operate passenger and freight service on that line.
These small, oil-burning plantation Consolidations suited the P&G for decades, operating on the railroad until 1964. The American Railroad of Puerto Rico put both on display, but later scrapped them.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | 7 |
| Locobase ID | 14769 |
| Railroad | Ponce & Guayama |
| Country | USA-Puerto Rico |
| Whyte | 2-8-0 |
| Number in Class | 1 |
| Road Numbers | 7-8 |
| Gauge | Metre |
| Number Built | 1 |
| Builder | Baldwin |
| Year | 1917 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 11.75 / 3.58 |
| Engine Wheelbase (ft / m) | 18.58 / 5.66 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.63 |
| Overall Wheelbase (engine & tender) (ft / m) | 42.42 / 12.93 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 71,000 / 32,205 |
| Engine Weight (lbs / kg) | 80,000 / 36,287 |
| Tender Loaded Weight (lbs / kg) | 55,000 / 24,948 |
| Total Engine and Tender Weight (lbs / kg) | 135,000 / 61,235 |
| Tender Water Capacity (gals / ML) | 2800 / 10.61 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1000 / 3785 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 30 / 15 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 37 / 940 |
| Boiler Pressure (psi / kPa) | 190 / 1310 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 14" x 20" / 356x508 |
| Tractive Effort (lbs / kg) | 17,110 / 7760.97 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.15 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 150 - 2" / 51 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 11.54 / 3.52 |
| Firebox Area (sq ft / m2) | 85 / 7.90 |
| Grate Area (sq ft / m2) | 15.40 / 1.43 |
| Evaporative Heating Surface (sq ft / m2) | 985 / 91.54 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 985 / 91.54 |
| Evaporative Heating Surface/Cylinder Volume | 276.69 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2926 |
| Same as above plus superheater percentage | 2926 |
| Same as above but substitute firebox area for grate area | 16,150 |
| Power L1 | 4641 |
| Power MT | 576.43 |