Date is edition of Locomotive Cyclopedia where this engine was described.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Std gauge |
| Locobase ID | 951 |
| Railroad | Trinidad Govt Rwy |
| Country | Trinidad |
| Whyte | 4-6-0 |
| Number in Class | |
| Road Numbers | 61 |
| Gauge | Std |
| Number Built | |
| Builder | Montreal LW |
| Year | 1947 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 10 / 3.05 |
| Engine Wheelbase (ft / m) | 20 / 6.10 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.50 |
| Overall Wheelbase (engine & tender) (ft / m) | |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 71,000 / 32,205 |
| Engine Weight (lbs / kg) | 94,000 / 42,638 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 39 / 19.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 51.30 / 1303 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16" x 24" / 406x610 |
| Tractive Effort (lbs / kg) | 18,324 / 8311.64 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.87 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 89 / 8.27 |
| Grate Area (sq ft / m2) | 21.20 / 1.97 |
| Evaporative Heating Surface (sq ft / m2) | 848 / 78.81 |
| Superheating Surface (sq ft / m2) | 188 / 17.47 |
| Combined Heating Surface (sq ft / m2) | 1036 / 96.28 |
| Evaporative Heating Surface/Cylinder Volume | 151.83 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 3816 |
| Same as above plus superheater percentage | 4503 |
| Same as above but substitute firebox area for grate area | 18,904 |
| Power L1 | 8225 |
| Power MT | 766.18 |