Data from DeGolyer, Vol 64, pp. 370. Works numbers were 57384-57385 in October 1923.
Superheated steam prompted the adoption of 8" (203 mm) piston valves for these six-coupled switchers. Rails on the Norte weighed 60 lb/yard (30 kg/metre) and curves were as tight as 40 degrees.
Principal Dimensions by Steve Llanso of Sweat House Media | |
|---|---|
| Class | P-4 |
| Locobase ID | 14925 |
| Railroad | FC del Norte de Cuba |
| Country | Cuba |
| Whyte | 0-6-0 |
| Number in Class | 2 |
| Road Numbers | P-4 and P-5 |
| Gauge | 3' |
| Number Built | 2 |
| Builder | Baldwin |
| Year | 1923 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 10.50 / 3.20 |
| Engine Wheelbase (ft / m) | 10.50 / 3.20 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 41.17 / 12.55 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 112,000 / 50,802 |
| Engine Weight (lbs / kg) | 112,000 / 50,802 |
| Tender Loaded Weight (lbs / kg) | 77,000 / 34,927 |
| Total Engine and Tender Weight (lbs / kg) | 189,000 / 85,729 |
| Tender Water Capacity (gals / ML) | 3500 / 13.26 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 1500 / 5678 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 62 / 31 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 48 / 1219 |
| Boiler Pressure (psi / kPa) | 180 / 12.40 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 18" x 24" / 457x610 |
| Tractive Effort (lbs / kg) | 24,786 / 11242.75 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.52 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 97 - 2" / 51 |
| Flues (number - dia) (in / mm) | 16 - 5.5" / 140 |
| Flue/Tube length (ft / m) | 13 / 3.96 |
| Firebox Area (sq ft / m2) | 105 / 9.76 |
| Grate Area (sq ft / m2) | 21.80 / 2.03 |
| Evaporative Heating Surface (sq ft / m2) | 1059 / 98.42 |
| Superheating Surface (sq ft / m2) | 235 / 21.84 |
| Combined Heating Surface (sq ft / m2) | 1294 / 120.26 |
| Evaporative Heating Surface/Cylinder Volume | 149.82 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3924 |
| Same as above plus superheater percentage | 4630 |
| Same as above but substitute firebox area for grate area | 22,302 |
| Power L1 | 7536 |
| Power MT | 445.02 |