Data from MNGHLA 12 - 1949 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.
One diagram notes that those H5s fitted with thermic syphons add 50 sq ft (4.65 sq m) to the firebox heating surface. That is the version shown in the specs, which also show twelve fewer boiler tubes as a result.
Engine 119 was fitted with a superheater that contributed 570 sq ft (52.95 sq m) to the total heating surface of 2 ,905 sq ft (269.9 sq m). To house the 30 5 3/8" superheater flues, the boiler lost 167 2" tubes. See H5SA (Locobase 7063) for the as-built superheated version of this class.
Data from MNGHLA 12 - 1949 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.
Twelve of these superheated Consolidations came from the Pittsburgh Locomotive Works (builder's numbers 55834-55839 and 58658-58663); Porter supplied the 13th (its number 6848).
| Principal Dimensions by Steve Llanso of Middle Run Media | ||
|---|---|---|
| Class | H5 | H5SA |
| Locobase ID | 7062 | 7063 |
| Railroad | Monongahela | Monongahela |
| Country | USA | USA |
| Whyte | 2-8-0 | 2-8-0 |
| Number in Class | 26 | 13 |
| Road Numbers | 115-140 | 141-153 |
| Gauge | Std | Std |
| Number Built | 26 | 13 |
| Builder | Alco-Pittsburgh | Alco-Pittsburgh |
| Year | 1909 | 1916 |
| Valve Gear | Baker | Baker |
| Locomotive Length and Weight | ||
| Driver Wheelbase (ft / m) | 14.25 / 4.34 | 14.25 / 4.34 |
| Engine Wheelbase (ft / m) | 23.17 / 7.06 | 23.50 / 7.16 |
| Ratio of driving wheelbase to overall engine wheelbase | 0.62 | 0.61 |
| Overall Wheelbase (engine & tender) (ft / m) | 63.67 / 19.41 | 58.25 / 17.75 |
| Axle Loading (Maximum Weight per Axle) (lbs / kg) | 45,600 / 20,684 | 47,050 / 21,342 |
| Weight on Drivers (lbs / kg) | 170,300 / 77,247 | 178,340 / 80,894 |
| Engine Weight (lbs / kg) | 193,600 / 87,816 | 201,390 / 91,349 |
| Tender Loaded Weight (lbs / kg) | 138,000 / 62,596 | 150,000 / 68,039 |
| Total Engine and Tender Weight (lbs / kg) | 331,600 / 150,412 | 351,390 / 159,388 |
| Tender Water Capacity (gals / ML) | 7000 / 26.52 | 8500 / 32.20 |
| Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) | 14 / 13 | 17 / 16 |
| Minimum weight of rail (calculated) (lb/yd / kg/m) | 71 / 35.50 | 74 / 37 |
| Geometry Relating to Tractive Effort | ||
| Driver Diameter (in / mm) | 51 / 1295 | 51 / 1295 |
| Boiler Pressure (psi / kPa) | 200 / 1380 | 200 / 1380 |
| High Pressure Cylinders (dia x stroke) (in / mm) | 21" x 30" / 533x762 | 22.5" x 30" / 572x762 |
| Tractive Effort (lbs / kg) | 44,100 / 20003.45 | 50,625 / 22963.14 |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 3.86 | 3.52 |
| Heating Ability | ||
| Tubes (number - dia) (in / mm) | 384 - 2" / 51 | 217 - 2" / 51 |
| Flues (number - dia) (in / mm) | 30 - 5.375" / 137 | |
| Flue/Tube length (ft / m) | 14 / 4.27 | 14 / 4.27 |
| Firebox Area (sq ft / m2) | 239 / 22.20 | 166 / 15.43 |
| Grate Area (sq ft / m2) | 51.70 / 4.80 | 51.70 / 4.80 |
| Evaporative Heating Surface (sq ft / m2) | 3029 / 281.40 | 2335 / 217.01 |
| Superheating Surface (sq ft / m2) | 570 / 52.97 | |
| Combined Heating Surface (sq ft / m2) | 3029 / 281.40 | 2905 / 269.98 |
| Evaporative Heating Surface/Cylinder Volume | 251.79 | 169.08 |
| Computations Relating to Power Output (More Information) | ||
| Robert LeMassena's Power Computation | 10,340 | 10,340 |
| Same as above plus superheater percentage | 10,340 | 12,408 |
| Same as above but substitute firebox area for grate area | 47,800 | 39,840 |
| Power L1 | 5969 | 10,211 |
| Power MT | 309.09 | 504.91 |