2-6-0 Steam Locomotives in Cuba

Ingenio San Agustin


Class Details by Steve Llanso of Sweat House Media

Class Maria (Locobase 12000)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 17, p. 104. Works number was 12275 in October 1891.

This was a wood-burning sugar-plantation Mogul of modest dimensions.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassMaria
Locobase ID12000
RailroadIngenio San Agustin
CountryCuba
Whyte2-6-0
Number in Class1
Road Numbers2
Gauge3'
Number Built1
BuilderBurnham, Williams & Co
Year1891
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)12 / 3.66
Engine Wheelbase (ft / m)17.92 / 5.46
Ratio of driving wheelbase to overall engine wheelbase 0.67
Overall Wheelbase (engine & tender) (ft / m)36.56 / 11.14
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)40,000 / 18,144
Engine Weight (lbs / kg)48,000 / 21,772
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)1200 / 4.55
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)22 / 11
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)37 / 940
Boiler Pressure (psi / kPa)130 / 900
High Pressure Cylinders (dia x stroke) (in / mm)13" x 16" / 330x406
Tractive Effort (lbs / kg)8075 / 3662.76
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.95
Heating Ability
Tubes (number - dia) (in / mm)154 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 8.08 / 2.46
Firebox Area (sq ft / m2)60 / 5.58
Grate Area (sq ft / m2) 8.80 / 0.82
Evaporative Heating Surface (sq ft / m2)545 / 50.65
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)545 / 50.65
Evaporative Heating Surface/Cylinder Volume221.72
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1144
Same as above plus superheater percentage1144
Same as above but substitute firebox area for grate area7800
Power L12756
Power MT455.69

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