Similar to C&O's H-class Alleghenies, but not as well known. Arrangement name on the VGN was "Blue Ridge". They were delivered in March-June 1945, builder's numbers 8859-8866. Scrapped in 1960.
| Specifications | |
|---|---|
| Class | AG |
| Locobase ID | 421 |
| Railroad | Virginian |
| Whyte | 2-6-6-6 |
| Road Numbers | 900-907 |
| Gauge | Std |
| Builder | Lima |
| Year | 1945 |
| Valve Gear | Baker |
| Locomotive Length and Weight | |
| Driver Wheelbase | 11.83' |
| Engine Wheelbase | 62.50' |
| Ratio of driving wheelbase to overall engine wheebase | 0.19 |
| Overall Wheelbase (engine & tender) | 112.92' |
| Axle Loading (Maximum Weight per Axle) | 82500 lbs |
| Weight on Drivers | 495000 lbs |
| Engine Weight | 753000 lbs |
| Tender Light Weight | 442000 lbs |
| Total Engine and Tender Weight | 1195000 lbs |
| Tender Water Capacity | 26500 gals |
| Tender Fuel Capacity (oil/coal) | 25 tons |
| Minimum weight per yard of rail on which locomotive could run | 137.50 lb rail |
| Geometry Relating to Tractive Effort | |
| Driver Diameter | 67" |
| Boiler Pressure | 260 psi |
| Cylinders (dia x stroke) | 22.5" x 33" (4) |
| Tractive Effort | 110211 lbs |
| Factor of Adhesion (Weight on Drivers/Tractive Effort) | 4.49 |
| Heating Ability | |
| Firebox Area | 600 sq. ft |
| Grate Area | 135.30 sq. ft |
| Evaporative Heating Surface | 6795 |
| Superheating Surface | 2922 |
| Combined Heating Surface | 9717 |
| Evaporative Heating Surface/Cylinder Volume | 223.72 |
| Computations Relating to Power Output (More Information) | |
| Robert LeMassena's Power Computation | 35178 |
| Same as above plus superheater percentage | 45756.38 |
| Same as above but substitute firebox area for grate area | 202910.77 |
| Power L1 | 34501.25 |
| Power MT | 921.97 |
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