Peoria & Pekin Union 2-6-0 "Mogul" Locomotives in the USA

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Class Details by Steve Llanso of Sweat House Media

Class E (Locobase 8878)

Data from Peoria & Pekin Union 6 - 1925 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Rail Data Exchange.

This was Brooks works #4021 and came directly to the P & PU. Although a relatively robust Mogul, it was doubtless a misfit on this transfer railroad and was retired only 2 decades later.

Specifications by Steve Llanso of Sweat House Media
Locobase ID8878
RailroadPeoria & Pekin Union
Number in Class1
Road Numbers25
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)12.70 / 3.87
Engine Wheelbase (ft / m)21.17 / 6.45
Ratio of driving wheelbase to overall engine wheebase 0.60
Overall Wheelbase (engine & tender) (ft / m)47.54 / 14.49
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)122,000 / 55,338
Engine Weight (lbs / kg)143,700 / 65,181
Tender Loaded Weight (lbs / kg)147,600 / 66,950
Total Engine and Tender Weight (lbs / kg)291,300 / 132,131
Tender Water Capacity (gals / ML)4000 / 15.15
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)8 / 7.30
Minimum weight of rail (calculated) (lb/yd / kg/m)68 / 34
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)63 / 1600
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)19" x 26" / 483x660
Tractive Effort (lbs / kg)22,795 / 10339.65
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.35
Heating Ability
Firebox Area (sq ft / m2)212.71 / 19.77
Grate Area (sq ft / m2)29 / 2.70
Evaporative Heating Surface (sq ft / m2)1716 / 159.48
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1716 / 159.48
Evaporative Heating Surface/Cylinder Volume201.12
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5220
Same as above plus superheater percentage5220
Same as above but substitute firebox area for grate area38,288
Power L16157
Power MT333.78