Data from [], last accessed 20 August 2006. Works numbers were 114-115 in 1873.
These two 4-4-0s were almost identical to the IIIb operated by the Oesterreichische Nordwestbahn. On the MCB, they bore the names ETZEL and REDTENBACHER.
Placed in Class 16,
| Principal Dimensions by Steve Llanso of Middle Run Media | |
|---|---|
| Class | IIIa/16 |
| Locobase ID | 4692 |
| Railroad | Mahrisch-Schlesischen Centralbahn |
| Country | Austria |
| Whyte | 4-4-0 |
| Number in Class | 2 |
| Road Numbers | 25-26 |
| Gauge | Std |
| Number Built | 2 |
| Builder | Floridsdorf |
| Year | 1873 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase (ft / m) | 5.45 / 1.66 |
| Engine Wheelbase (ft / m) | 13.70 / 4.17 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.40 |
| Overall Wheelbase (engine & tender) (ft / m) | 37.04 / 11.29 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | |
| Weight on Drivers (lbs / kg) | 54,234 / 24,600 |
| Engine Weight (lbs / kg) | 81,350 / 36,900 |
| Tender Loaded Weight (lbs / kg) | 54,013 / 24,500 |
| Total Engine and Tender Weight (lbs / kg) | 135,363 / 61,400 |
| Tender Water Capacity (gals / ML) | 2640 / 10 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 7 / 6.40 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 45 / 22.50 |
| Geometry Relating to Tractive Effort | |
| Driver Diameter (in / mm) | 62.20 / 1580 |
| Boiler Pressure (psi / kPa) | 145 / 1000 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 16.14" x 24.8" / 410x630 |
| Tractive Effort (lbs / kg) | 12,801 / 5806.44 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.24 |
| Heating Ability | |
| Tubes (number - dia) (in / mm) | |
| Flues (number - dia) (in / mm) | |
| Flue/Tube length (ft / m) | |
| Firebox Area (sq ft / m2) | 75.35 / 7 |
| Grate Area (sq ft / m2) | 18.30 / 1.70 |
| Evaporative Heating Surface (sq ft / m2) | 1367 / 127 |
| Superheating Surface (sq ft / m2) | |
| Combined Heating Surface (sq ft / m2) | 1367 / 127 |
| Evaporative Heating Surface/Cylinder Volume | 232.77 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2654 |
| Same as above plus superheater percentage | 2654 |
| Same as above but substitute firebox area for grate area | 10,926 |
| Power L1 | 4463 |
| Power MT | 362.84 |