Central Monserrate 0-4-0 Locomotives of 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.

Specifications by Steve Llanso of Sweat House Media
Locobase ID14756
RailroadCentral Monserrate
Number in Class1
Road Numbers8
Gauge60 cm
Number Built1
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase 3.33'
Engine Wheelbase 3.33'
Ratio of driving wheelbase to overall engine wheebase1
Overall Wheelbase (engine & tender) 3.33'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers12000 lbs
Engine Weight12000 lbs
Tender Light Weight
Total Engine and Tender Weight12000 lbs
Tender Water Capacity140 gals
Tender Fuel Capacity (oil/coal)30 tons
Minimum weight of rail (calculated)10 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter24"
Boiler Pressure160 psi
Cylinders (dia x stroke)6" x 12"
Tractive Effort2448 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.90
Heating Ability
Firebox Area15.40 sq. ft
Grate Area 3.50 sq. ft
Evaporative Heating Surface90 sq. ft
Superheating Surface
Combined Heating Surface90 sq. ft
Evaporative Heating Surface/Cylinder Volume229.18
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 L12722
Power MT1000.16

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