Both the builder's date and the boiler pressure are estimates.
| Specifications | |
|---|---|
| Class | N |
| Locobase ID | 9715 |
| Railroad | Norfolk & Western |
| Whyte | 4-4-0 |
| Road Numbers | |
| Gauge | Std |
| Builder | shops |
| Year | 1890 |
| Valve Gear | Stephenson |
| Locomotive Length and Weight | |
| Driver Wheelbase | |
| Engine Wheelbase | |
| Ratio of driving wheelbase to overall engine wheebase | |
| Overall Wheelbase (engine & tender) | |
| Axle Loading (Maximum Weight per Axle) | 0 |
| Weight on Drivers | 75175 lbs |
| Engine Weight | 101050 lbs |
| Tender Light Weight | 0 |
| Total Engine and Tender Weight | 0 |
| Tender Water Capacity | 0 |
| Tender Fuel Capacity (oil/coal) | 0 |
| Minimum weight per yard of rail on which locomotive could run | 63 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 62" |
| Boiler Pressure | 140 psi |
| Cylinders (dia x stroke) | 18" x 24" |
| Tractive Effort | 14925 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 5.04 |
| Heating Ability | |
| Firebox Area | 141.80 sq. ft |
| Grate Area | 18.50 sq. ft |
| Evaporative Heating Surface | 1612 |
| Superheating Surface | 0 |
| Combined Heating Surface | 1612 |
| Evaporative Heating Surface/Cylinder Volume | 228.05 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 2590 |
| Same as above plus superheater percentage | 2590 |
| Same as above but substitute firebox area for grate area | 19852 |
| Power L1 | 4750 |
| Power MT | 278.60 |
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