Davis Coal & Coke 0-4-2 Locomotives of the USA

Class Details by Steve Llanso of Sweat House Media

Class unknown (Locobase 12179)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Vol 20, p.73 . Works number was 14615 in December 1895.

The specifications say that this tank was headed for the Descalvadense Section, where the sharpest curves were measured at 131-ft radius or 40 degrees.

Specifications by Steve Llanso of Sweat House Media
Locobase ID12179
RailroadDavis Coal & Coke
Number in Class1
Road Numbers
Number Built1
BuilderBurnham, Williams & Co
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 3.75'
Engine Wheelbase 9.58'
Ratio of driving wheelbase to overall engine wheebase 0.39
Overall Wheelbase (engine & tender) 9.58'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers14000 lbs
Engine Weight20000 lbs
Tender Light Weight
Total Engine and Tender Weight20000 lbs
Tender Water Capacity250 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)12 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter28"
Boiler Pressure150 psi
Cylinders (dia x stroke)8" x 12"
Tractive Effort3497 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.00
Heating Ability
Firebox Area21.09 sq. ft
Grate Area 5.60 sq. ft
Evaporative Heating Surface155 sq. ft
Superheating Surface
Combined Heating Surface155 sq. ft
Evaporative Heating Surface/Cylinder Volume222.02
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation840
Same as above plus superheater percentage840
Same as above but substitute firebox area for grate area3164
Power L12611
Power MT822.32

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