United Fruit 0-4-0 "Switcher" Locomotives in the USA

Class Details by Steve Llanso of Sweat House Media

Class Kingston (Locobase 14999)

Data from Roy V Wright (Ed.) 1922 Locomotive Cyclopedia of American Practice, Sixth Edition (New York: Simmons-Boardman Publishing Company, 1922), p. 1026. Works number was 5936 in September 1916.

Principal Dimensions by Steve Llanso of Sweat House Media
Locobase ID14,999
RailroadUnited Fruit
Number in Class1
Road Numbers
Number Built1
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 wheebase1
Overall Wheelbase (engine & tender) (ft / m) 4.67 / 1.42
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)18,000 / 8165
Engine Weight (lbs / kg)18,000 / 8165
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)18,000
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / ML/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)15 / 7.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)24 / 610
Boiler Pressure (psi / kPa)170 / 11.70
High Pressure Cylinders (dia x stroke) (in / mm)7" x 12" / 178x305
Tractive Effort (lbs / kg)3540 / 1605.72
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.08
Heating Ability
Firebox Area (sq ft / m2)25.80 / 2.40
Grate Area (sq ft / m2) 5.97 / 0.55
Evaporative Heating Surface (sq ft / m2)140 / 13.01
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)140 / 13.01
Evaporative Heating Surface/Cylinder Volume261.92
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1015
Same as above plus superheater percentage1015
Same as above but substitute firebox area for grate area4386
Power L13422
Power MT838.25

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