This Ten-wheeler was the one mixed-traffic Ten-wheeler on the DNW & P with Walschaert outside radial valve gear. Equipment suppliers included:
Axles Otis Steel
Bell ringer Trojan
Boiler lagging Sectional magnesia
Brick arch American Locomotive Equipment Co.
Fire doors Franklin
Injector Nathan Mfg. Co.
Journal bearings More Jones Co.
Piston and valve rod packing Paxton-Mltchell
Safety valve Ashton
Sanding devices Leach
Sight-feed lubricators Nathan Mfg. Co.
Springs Uallway Steel-Spring Co.
Steam gages Ashton
Steam heat equipment Safety Car Heating & Ltg. Co.
Tubes Worth Bros.
It operated on the railroad (renamed Denver & Salt Lake) until 1948.
|Specifications by Steve Llanso of Sweat House Media|
|Railroad||Denver, Northwestern & Pacific (D&SL)|
|Number in Class||1|
|Road Numbers||303 / 796|
|Locomotive Length and Weight|
|Driver Wheelbase (ft)|
|Engine Wheelbase (ft)|
|Ratio of driving wheelbase to overall engine wheebase|
|Overall Wheelbase (engine & tender) (ft)|
|Axle Loading (Maximum Weight per Axle) (lbs)|
|Weight on Drivers (lbs)||149,000|
|Engine Weight (lbs)||200,000|
|Tender Loaded Weight (lbs)|
|Total Engine and Tender Weight (lbs)|
|Tender Water Capacity (gals)||7000|
|Tender Fuel Capacity (oil/coal) (gals/tons)||10|
|Minimum weight of rail (calculated) (lb/yd)||83|
|Geometry Relating to Tractive Effort|
|Driver Diameter (in)||63|
|Boiler Pressure (psi)||200|
|High Pressure Cylinders (dia x stroke) (in)||20.5" x 28"|
|Tractive Effort (lbs)||31,752|
|Factor of Adhesion (Weight on Drivers/Tractive Effort)||4.69|
|Firebox Area (sq ft)||199|
|Grate Area (sq ft)||52.60|
|Evaporative Heating Surface (sq ft)||3253|
|Superheating Surface (sq ft)|
|Combined Heating Surface (sq ft)||3253|
|Evaporative Heating Surface/Cylinder Volume||304.12|
|Computations Relating to Power Output (More Information)|
|Robert LeMassena's Power Computation||10,520|
|Same as above plus superheater percentage||10,520|
|Same as above but substitute firebox area for grate area||39,800|