Data from DeGolyer, Vol 57, pp.269. Works numbers were 50788-50789 in December 1918.
These two small narrow-gauge tanks were sent to the Delhi Rhotak and Bengal Provincial Railways.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | unknown |
| Locobase ID | 14591 |
| Railroad | British War Mission |
| Country | India |
| Whyte | 0-6-0T |
| Number in Class | 2 |
| Road Numbers | |
| Gauge | 2'6" |
| Number Built | 2 |
| Builder | Baldwin |
| Year | 1918 |
| Valve Gear | Marshall |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.50 / 1.98 |
| Engine Wheelbase (ft / m) | 6.50 / 1.98 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 6.50 / 1.98 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 37,000 / 16,783 |
| Engine Weight (lbs / kg) | 37,000 / 16,783 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | 37,000 / 16,783 |
| Tender Water Capacity (gals / ML) | 500 / 1.89 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 21 / 10.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 31.50 / 800 |
| Boiler Pressure (psi / kPa) | 176 / 1210 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 11" x 16" / 279x406 |
| Tractive Effort (lbs / kg) | 9194 / 4170.33 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.02 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | 77 - 1.75" / 44 |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 10.17 / 3.10 |
| Firebox Area (sq ft / m2) | 28 / 2.60 |
| Grate Area (sq ft / m2) | 6.10 / 0.57 |
| Evaporative Heating Surface (sq ft / m2) | 384 / 35.67 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 384 / 35.67 |
| Evaporative Heating Surface/Cylinder Volume | 218.20 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1074 |
| Same as above plus superheater percentage | 1074 |
| Same as above but substitute firebox area for grate area | 4928 |
| Power L1 | 2751 |
| Power MT | 491.75 |