Atlantic & North Carolina 4-4-0 "American" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class 14 / B-4 (Locobase 12281)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 21, p. 196. Works number was 16273 in October 1898 and 18675-18676 in February 1901..

Specifications by Steve Llanso of Sweat House Media
Class14 / B-4
Locobase ID12,281
RailroadAtlantic & North Carolina
Number in Class3
Road Numbers14, 18-19 / 43 / 37 / 49
Number Built3
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft) 8.33
Engine Wheelbase (ft)23.27
Ratio of driving wheelbase to overall engine wheebase 0.36
Overall Wheelbase (engine & tender) (ft)
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)54,000
Engine Weight (lbs)84,000
Tender Loaded Weight (lbs)51,000
Total Engine and Tender Weight (lbs)135,000
Tender Water Capacity (gals)2600
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)45
Geometry Relating to Tractive Effort
Driver Diameter (in)60
Boiler Pressure (psi)165
High Pressure Cylinders (dia x stroke) (in)17" x 24"
Tractive Effort (lbs)16,213
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.33
Heating Ability
Firebox Area (sq ft)123.41
Grate Area (sq ft)16.50
Evaporative Heating Surface (sq ft)1280
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)1280
Evaporative Heating Surface/Cylinder Volume203.01
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2723
Same as above plus superheater percentage2723
Same as above but substitute firebox area for grate area20,363
Power L14965
Power MT405.41

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