Cauca 2-8-0 Locomotives in Colombia


Class Details by Steve Llanso of Sweat House Media

Class Cauca (Locobase 11991)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University Volume 17, p. 75 . Works number was 12044 in July 1891.

According to Gene Connelly's Baldwin records, the Cauca's name was changed in 1908.


Class Centella (Locobase 13234)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 36, p. 327. Works numbers were 36091-36092 in February 1911.

Adding heft to the pulling power of the Cauca's Baldwin Moguls was this pair of Consolidations contracted for by the dealer Camacho, Roldan & Van Sickel. .The specs noted the 55-lb/yard (27.5-kg/metre) rail weight and curves with a minimum radius of 70 metres (229.6 ft). Their size and weight placed them near the top in a list of all 2-8-0s operating on the 3-foot gauge.

Soon after their arrival, the Cauca was folded into the FC de Pacifico. The locomotives retained their names (Centella, Bitaco) until 1936, when the Pacifico sold them to the Ambalema-IbaguT where they were renumbered 5-6.

The 5 shifted depots again in 1953 when it was sold to the Nacionales' Centrales. 6's retirement apparently took place with little notice as it was discovered derelict at Flandes in 1986.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassCaucaCentella
Locobase ID11991 13234
RailroadCaucaCauca
CountryColombiaColombia
Whyte2-8-02-8-0
Number in Class52
Road Numbers412-13
Gauge3'3'
Number Built52
BuilderBurnham, Williams & CoBaldwin
Year18911911
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m)11.75 / 3.5812 / 3.66
Engine Wheelbase (ft / m)18.58 / 5.6619.42 / 5.92
Ratio of driving wheelbase to overall engine wheelbase 0.63 0.62
Overall Wheelbase (engine & tender) (ft / m)41.17 / 12.5545.54 / 13.88
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)62,000 / 28,123101,000 / 45,813
Engine Weight (lbs / kg)70,000 / 31,752110,000 / 49,895
Tender Loaded Weight (lbs / kg)60,000 / 27,216
Total Engine and Tender Weight (lbs / kg)170,000 / 77,111
Tender Water Capacity (gals / ML)1800 / 6.823000 / 11.36
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)26 / 1342 / 21
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)37 / 94042 / 1067
Boiler Pressure (psi / kPa)130 / 900170 / 1170
High Pressure Cylinders (dia x stroke) (in / mm)16" x 20" / 406x50818" x 22" / 457x559
Tractive Effort (lbs / kg)15,291 / 6935.8924,524 / 11123.91
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.05 4.12
Heating Ability
Tubes (number - dia) (in / mm)155 - 2" / 51180 - 2.25" / 57
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)11.65 / 3.5515 / 4.57
Firebox Area (sq ft / m2)78.60 / 7.3093.30 / 8.67
Grate Area (sq ft / m2)14 / 1.3018.70 / 1.74
Evaporative Heating Surface (sq ft / m2)1017 / 94.521674 / 155.52
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1017 / 94.521674 / 155.52
Evaporative Heating Surface/Cylinder Volume218.51258.35
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation18203179
Same as above plus superheater percentage18203179
Same as above but substitute firebox area for grate area10,21815,861
Power L124293931
Power MT345.49343.22

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