Central Monserrate 0-4-0 "Switcher" Locomotives in the USA


Class Details by Steve Llanso of Sweat House Media

Class Carmen (Locobase 14756)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 63 p.247. See Locobase 13278 for a description of the Monserrate. Works number was 53372 in July 1920.

Even for the 60-cm gauge, this was a small tank engine.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassCarmen
Locobase ID14756
RailroadCentral Monserrate
CountryUSA
Whyte0-4-0ST
Number in Class1
Road Numbers8
Gauge60 cm
Number Built1
BuilderBaldwin
Year1920
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 3.33 / 1.01
Engine Wheelbase (ft / m) 3.33 / 1.01
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m) 3.33 / 1.01
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)12,000 / 5443
Engine Weight (lbs / kg)12,000 / 5443
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)140 / 0.53
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)30 / 27
Minimum weight of rail (calculated) (lb/yd / kg/m)10 / 5
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)24 / 610
Boiler Pressure (psi / kPa)160 / 1100
High Pressure Cylinders (dia x stroke) (in / mm)6" x 12" / 152x305
Tractive Effort (lbs / kg)2448 / 1110.40
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.90
Heating Ability
Tubes (number - dia) (in / mm)32 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m) 6.60 / 2.01
Firebox Area (sq ft / m2)15.40 / 1.43
Grate Area (sq ft / m2) 3.50 / 0.33
Evaporative Heating Surface (sq ft / m2)90 / 8.36
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)90 / 8.36
Evaporative Heating Surface/Cylinder Volume230.77
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation560
Same as above plus superheater percentage560
Same as above but substitute firebox area for grate area2464
Power L12741
Power MT1007.14

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