Empire Coal Company 2-6-0 "Mogul" Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class Frank Allison, Jr (Locobase 12761)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 27, p. 209. Works number was

25121 in February 1905.

This industrial Mogul first operated in West Virginia and would eventually serve the Republic Iron & Steel Company in 1916.

Specifications by Steve Llanso of Sweat House Media
ClassFrank Allison, Jr
Locobase ID12,761
RailroadEmpire Coal Company
Number in Class1
Road Numbers2
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)12
Engine Wheelbase (ft)19.92
Ratio of driving wheelbase to overall engine wheebase 0.60
Overall Wheelbase (engine & tender) (ft)39.96
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)112,450
Engine Weight (lbs)128,200
Tender Loaded Weight (lbs)70,000
Total Engine and Tender Weight (lbs)198,200
Tender Water Capacity (gals)3500
Tender Fuel Capacity (oil/coal) (gals/tons)
Minimum weight of rail (calculated) (lb/yd)62
Geometry Relating to Tractive Effort
Driver Diameter (in)50
Boiler Pressure (psi)180
High Pressure Cylinders (dia x stroke) (in)19" x 24"
Tractive Effort (lbs)26,512
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.24
Heating Ability
Firebox Area (sq ft)140.70
Grate Area (sq ft)22.28
Evaporative Heating Surface (sq ft)1654
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)1654
Evaporative Heating Surface/Cylinder Volume210.01
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4010
Same as above plus superheater percentage4010
Same as above but substitute firebox area for grate area25,326
Power L14490
Power MT264.08

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