United States Navy 0-4-2 Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class 6-32-1/3 C / 6 (Locobase 13198)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 53, pp.187. Works numbers were 46015-46016 in August 1917.

Surprisingly large saddle-tank for use by the US Navy at their enormous Norfolk Naval Base.

Specifications by Steve Llanso of Sweat House Media
Class6-32-1/3 C / 6
Locobase ID13,198
RailroadUnited States Navy
CountryUSA
Whyte0-4-2ST
Number in Class2
Road Numbers6-7
GaugeStd
Number Built2
BuilderBaldwin
Year1917
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)7 / 2.13
Engine Wheelbase (ft / m)16.50 / 5.03
Ratio of driving wheelbase to overall engine wheebase 0.42
Overall Wheelbase (engine & tender) (ft / m)16.50 / 5.03
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)100,000 / 45,359
Engine Weight (lbs / kg)119,000 / 53,978
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)119,000
Tender Water Capacity (gals / ML)1800 / 6.82
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)4 / 3.60
Minimum weight of rail (calculated) (lb/yd / kg/m)83 / 41.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)51 / 1295
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)19" x 24" / 483x610
Tractive Effort (lbs / kg)25,992 / 11789.79
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.85
Heating Ability
Firebox Area (sq ft / m2)79 / 7.34
Grate Area (sq ft / m2)20 / 1.86
Evaporative Heating Surface (sq ft / m2)1152 / 107.06
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1152 / 107.06
Evaporative Heating Surface/Cylinder Volume146.27
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3600
Same as above plus superheater percentage3600
Same as above but substitute firebox area for grate area14,220
Power L13005
Power MT132.50