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 ID12281
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 8.33'
Engine Wheelbase23.27'
Ratio of driving wheelbase to overall engine wheebase 0.36
Overall Wheelbase (engine & tender)
Axle Loading (Maximum Weight per Axle)
Weight on Drivers54000 lbs
Engine Weight84000 lbs
Tender Light Weight51000 lbs
Total Engine and Tender Weight135000 lbs
Tender Water Capacity2600 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)45 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter60"
Boiler Pressure165 psi
Cylinders (dia x stroke)17" x 24"
Tractive Effort16213 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.33
Heating Ability
Firebox Area123.41 sq. ft
Grate Area16.50 sq. ft
Evaporative Heating Surface1280 sq. ft
Superheating Surface
Combined Heating Surface1280 sq. ft
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 area20363
Power L14965
Power MT405.41

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