Chesapeake & Ohio 0-10-0 Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class C-12 (Locobase 12634)

Data from C&O 9-1936 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Works numbers were 59980-59989 in January 1919 and 62197-62201 in February 1921.

These enormous switchers came to the C&O in two batches: 130-139 in 1919, 140-144 in 1921. The only difference between the two was the coal capacity of the tender, which came to 15 tons in the later tenders.

They were well-suited to the job of assembling the long coal trains that would be hauled by the big articulateds in which the railroad specialized. The last wasn't retired until 1956.

Specifications by Steve Llanso of Sweat House Media
ClassC-12
Locobase ID12,634
RailroadChesapeake & Ohio (C&O)
CountryUSA
Whyte0-10-0
Number in Class15
Road Numbers50-64/130-144
GaugeStd
Number Built15
BuilderAlco-Richmond
Year1919
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase (ft / m)19 / 5.79
Engine Wheelbase (ft / m)19 / 5.79
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender) (ft / m)60.27 / 18.37
Axle Loading (Maximum Weight per Axle) (lbs / kg)59,400
Weight on Drivers (lbs / kg)295,000 / 133,810
Engine Weight (lbs / kg)295,000 / 133,810
Tender Loaded Weight (lbs / kg)193,000 / 87,543
Total Engine and Tender Weight (lbs / kg)488,000 / 221,353
Tender Water Capacity (gals / ML)10,000 / 37.88
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)20 / 18.20
Minimum weight of rail (calculated) (lb/yd / kg/m)98 / 49
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)51 / 1295
Boiler Pressure (psi / kPa)185 / 12.80
High Pressure Cylinders (dia x stroke) (in / mm)27" x 28" / 686x711
Tractive Effort (lbs / kg)62,937 / 28547.78
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.69
Heating Ability
Firebox Area (sq ft / m2)256 / 23.79
Grate Area (sq ft / m2)72.80 / 6.77
Evaporative Heating Surface (sq ft / m2)3715 / 345.26
Superheating Surface (sq ft / m2)545 / 50.65
Combined Heating Surface (sq ft / m2)4260 / 395.91
Evaporative Heating Surface/Cylinder Volume200.22
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation13,468
Same as above plus superheater percentage15,219
Same as above but substitute firebox area for grate area53,517
Power L18390
Power MT313.50

Reference