Data from [], last accessed 4 May 2014. Works numbers were 240-243 in 1909.
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | Isere |
| Locobase ID | 15838 |
| Railroad | Tramways DTpartementaux de l'IsFre (TDI) |
| Country | France |
| Whyte | 0-6-0T |
| Number in Class | 4 |
| Road Numbers | 15-18/31-34 |
| Gauge | Metre |
| Number Built | 4 |
| Builder | Pinguely |
| Year | 1909 |
| Valve Gear | Walschaert |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 6.89 / 2.10 |
| Engine Wheelbase (ft / m) | 6.89 / 2.10 |
| Ratio of driving wheelbase to overall engine wheelbase | 1 |
| Overall Wheelbase (engine & tender) (ft / m) | 6.89 / 2.10 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 55,116 / 25,000 |
| Engine Weight (lbs / kg) | 55,116 / 25,000 |
| Tender Loaded Weight (lbs / kg) | |
| Total Engine and Tender Weight (lbs / kg) | |
| Tender Water Capacity (gals / ML) | 792 / 3 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 0.90 / 1 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 31 / 15.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 35.40 / 900 |
| Boiler Pressure (psi / kPa) | 169.70 / 1170 |
| High Pressure Cylinders (dia x stroke) (in / mm) | |
| Tractive Effort (lbs / kg) | |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | 8.20 / 2.50 |
| Firebox Area (sq ft / m2) | 50.05 / 4.65 |
| Grate Area (sq ft / m2) | 9.04 / 0.84 |
| Evaporative Heating Surface (sq ft / m2) | |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | |
| Evaporative Heating Surface/Cylinder Volume | |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 1534 |
| Same as above plus superheater percentage | 1534 |
| Same as above but substitute firebox area for grate area | 8493 |
| Power L1 | |
| Power MT | |