Colorado Southern & Cripple Creek District 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 101 (Locobase 7702)

Data from CC&CS 1912 Locomotive DiagramRail Data Exchange supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange. Works numbers were 5625-5626 in August 1900, 6135 in July 1901, and 25623 in April 1901.

See Locobase 7699 for a brief description of this railroad. The four Prairies were small, stubby engines with the trailing axle behind the firebox. The tender sloped down in back, which suggests these locomotives were also used for switching.

Specifications by Steve Llanso of Sweat House Media
Locobase ID7702
RailroadColorado Southern & Cripple Creek District
Number in Class4
Road Numbers101-104
Number Built4
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)11 / 3.35
Engine Wheelbase (ft / m)24.75 / 7.54
Ratio of driving wheelbase to overall engine wheebase 0.44
Overall Wheelbase (engine & tender) (ft / m)46.17 / 14.07
Axle Loading (Maximum Weight per Axle) (lbs / kg)36,160 / 16,402
Weight on Drivers (lbs / kg)107,280 / 48,661
Engine Weight (lbs / kg)135,960 / 61,670
Tender Loaded Weight (lbs / kg)81,800 / 37,104
Total Engine and Tender Weight (lbs / kg)217,760 / 98,774
Tender Water Capacity (gals / ML)3500 / 13.26
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)10 / 9.10
Minimum weight of rail (calculated) (lb/yd / kg/m)60 / 30
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)51 / 1295
Boiler Pressure (psi / kPa)188.50 / 13
High Pressure Cylinders (dia x stroke) (in / mm)19" x 24" / 483x610
Tractive Effort (lbs / kg)27,219 / 12346.35
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.94
Heating Ability
Firebox Area (sq ft / m2)148.47 / 13.80
Grate Area (sq ft / m2)22 / 2.04
Evaporative Heating Surface (sq ft / m2)1749 / 162.55
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1749 / 162.55
Evaporative Heating Surface/Cylinder Volume222.07
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation4147
Same as above plus superheater percentage4147
Same as above but substitute firebox area for grate area27,987
Power L15068
Power MT312.44