Central Najasa 0-4-0 Locomotives in Cuba


Class Details by Steve Llanso of Sweat House Media

Class 2 (Locobase 14830)

Data from DeGolyer, Vol 64, pp. 65+. Works number was 54269 in January 1921.

This multi-fuel plantation saddle tank could burn either coal or wood. Tiny as it was, it nevertheless rolled on standard-gauge track.

The Central Najasa was located near Sibanic+ in Camagney Province.

Principal Dimensions by Steve Llanso of Middle Run Media
Class2
Locobase ID14830
RailroadCentral Najasa
CountryCuba
Whyte0-4-0ST
Number in Class1
Road Numbers2
GaugeStd
Number Built1
BuilderBaldwin
Year1921
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 4.67 / 1.42
Engine Wheelbase (ft / m) 4.67 / 1.42
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m) 4.67 / 1.42
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)22,500 / 10,206
Engine Weight (lbs / kg)22,500 / 10,206
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)200 / 0.76
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)19 / 9.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)26 / 660
Boiler Pressure (psi / kPa)160 / 1100
High Pressure Cylinders (dia x stroke) (in / mm)8" x 12" / 203x305
Tractive Effort (lbs / kg)4017 / 1822.08
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.60
Heating Ability
Tubes (number - dia) (in / mm)46 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 7.09 / 2.16
Firebox Area (sq ft / m2)24.70 / 2.29
Grate Area (sq ft / m2) 7.90 / 0.73
Evaporative Heating Surface (sq ft / m2)151 / 14.03
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)151 / 14.03
Evaporative Heating Surface/Cylinder Volume216.29
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1264
Same as above plus superheater percentage1264
Same as above but substitute firebox area for grate area3952
Power L12726
Power MT534.20

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