Public Service Company of Northern Illinois 0-4-0 "Switcher" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class 1 (Locobase 15344)

Data from Specification 1439, Davenport Locomotive Works.

Specifications by Steve Llanso of Sweat House Media
Locobase ID15,344
RailroadPublic Service Company of Northern Illinois
Number in Class1
Road Numbers1
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 5.75 / 1.75
Engine Wheelbase (ft / m) 5.75 / 1.75
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender) (ft / m) 5.75 / 1.75
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)56,000 / 25,401
Engine Weight (lbs / kg)56,000 / 25,401
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)56,000
Tender Water Capacity (gals / ML)900 / 3.41
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)1400 / 5.30
Minimum weight of rail (calculated) (lb/yd / kg/m)47 / 23.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)34 / 864
Boiler Pressure (psi / kPa)170 / 11.70
High Pressure Cylinders (dia x stroke) (in / mm)12" x 18" / 305x457
Tractive Effort (lbs / kg)11,016 / 4996.78
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.08
Heating Ability
Firebox Area (sq ft / m2)49.20 / 4.57
Grate Area (sq ft / m2)11.40 / 1.06
Evaporative Heating Surface (sq ft / m2)560 / 52.03
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)560 / 52.03
Evaporative Heating Surface/Cylinder Volume237.67
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1938
Same as above plus superheater percentage1938
Same as above but substitute firebox area for grate area8364
Power L13295
Power MT259.44