National Limestone Company 0-6-0 "Switcher" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 15043)

Data from Roy V Wright (Ed.) 1912 Locomotive Cyclopedia of American Practice, Sixth Edition (New York: Simmons-Boardman Publishing Company, 1912), p. 161. Works number was 1493 in November 1910.

The NLC had several plants at which this switcher could have served. One of the biggest and most often mentioned was the plant in Martinsburg, WVa.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID15043
RailroadNational Limestone Company
Number in Class1
Road Numbers1
Number Built1
BuilderVulcan Iron Works
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)11 / 3.35
Engine Wheelbase (ft / m)11 / 3.35
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)132,000 / 59,874
Engine Weight (lbs / kg)132,000 / 59,874
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)73 / 36.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)50 / 1270
Boiler Pressure (psi / kPa)200 / 13.80
High Pressure Cylinders (dia x stroke) (in / mm)19" x 26" / 483x660
Tractive Effort (lbs / kg)31,912 / 14475.06
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.14
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)123 / 11.43
Grate Area (sq ft / m2)26.54 / 2.47
Evaporative Heating Surface (sq ft / m2)1687 / 156.73
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1687 / 156.73
Evaporative Heating Surface/Cylinder Volume197.77
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5308
Same as above plus superheater percentage5308
Same as above but substitute firebox area for grate area24,600
Power L14498
Power MT225.37

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Wes Barris