Data from the Tyne and Wear Archives at [], last accessed 4 November 2018.. Works numbers were 3561-3562..
IISCO was established in 1918.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | unknown |
| Locobase ID | 20481 |
| Railroad | Indian Iron & Steel Company, Ltd |
| Country | India |
| Whyte | 0-6-0ST |
| Number in Class | 2 |
| Road Numbers | 4 |
| Gauge | 5'6" |
| Number Built | 2 |
| Builder | Hawthorn Leslie |
| Year | 1923 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 11.50 / 3.51 |
| Engine Wheelbase (ft / m) | 11.50 / 3.51 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 11.50 / 3.51 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 105,616 / 47,907 |
| Engine Weight (lbs / kg) | 105,616 / 47,907 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 1200 / 4.55 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 2 / 2 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 59 / 29.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 46 / 1168 |
| Boiler Pressure (psi / kPa) | 180 / 1240 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 17" x 24" / 432x610 |
| Tractive Effort (lbs / kg) | 23,070 / 10464.39 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.58 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | |
| Grate Area (sq ft / m2) | 15.50 / 1.44 |
| Evaporative Heating Surface (sq ft / m2) | 935 / 86.86 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 935 / 86.86 |
| Evaporative Heating Surface/Cylinder Volume | 148.29 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2790 |
| Same as above plus superheater percentage | 2790 |
| Same as above but substitute firebox area for grate area | |
| Power L1 | |
| Power MT | |