Hacienda Dolores 0-4-2 Locomotives in USA-Puerto_Rico


Class Details by Steve Llanso of Sweat House Media

Class Lucas P Valdivieso (Locobase 14759)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Vol 63, p. 255. Works numbers was 53959 in November 1920.

South Puerto Rico Sugar Company bought this plantation saddle tank. It was later placed on display at Bayamón's Parque de las Ciencias.

Principal Dimensions by Steve Llanso of Sweat House Media

ClassLucas P Valdivieso
Locobase ID14759
RailroadHacienda Dolores
CountryUSA-Puerto Rico
Whyte0-4-2ST
Number in Class1
Road Numbers2
GaugeMetre
Number Built1
BuilderBaldwin
Year1920
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)5 / 1.52
Engine Wheelbase (ft / m)5 / 1.52
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m)11.50 / 3.51
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)39,000 / 17,690
Engine Weight (lbs / kg)46,500 / 21,092
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)46,500
Tender Water Capacity (gals / ML)500 / 1.89
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT) 0.75 / 1
Minimum weight of rail (calculated) (lb/yd / kg/m)33 / 16.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)30 / 762
Boiler Pressure (psi / kPa)180 / 12.40
High Pressure Cylinders (dia x stroke) (in / mm)11" x 16" / 279x406
Tractive Effort (lbs / kg)9874 / 4478.78
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.95
Heating Ability
Tubes (number - dia) (in / mm)74 - 1.75" / 44
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 8.79 / 2.68
Firebox Area (sq ft / m2)38.20 / 3.55
Grate Area (sq ft / m2) 7.80 / 0.72
Evaporative Heating Surface (sq ft / m2)333 / 30.94
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)333 / 30.94
Evaporative Heating Surface/Cylinder Volume189.20
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1404
Same as above plus superheater percentage1404
Same as above but substitute firebox area for grate area6876
Power L12680
Power MT302.99

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