Agencia Maritima Nacional Ltda 0-4-0 Locomotives in Guatemala


Class Details by Steve Llanso of Sweat House Media

Class 5 (Locobase 15257)

Data from DeGolyer, Vol 72, p. 72+. Works number was 57970 in August 1924.

Little oil-burning saddle-tank switcher that rolled on 35 and 40 lb/yard (17.5 and 20 kg/metre) on track "in poor condition".

Principal Dimensions by Steve Llanso of Middle Run Media
Class5
Locobase ID15257
RailroadAgencia Maritima Nacional Ltda
CountryGuatemala
Whyte0-4-0ST
Number in Class1
Road Numbers5
Gauge2'6"
Number Built1
BuilderBaldwin
Year1924
Valve GearStephenson
Locomotive Length and Weight
Driver Wheelbase (ft / m) 3.67 / 1.12
Engine Wheelbase (ft / m) 3.67 / 1.12
Ratio of driving wheelbase to overall engine wheelbase1
Overall Wheelbase (engine & tender) (ft / m) 3.67 / 1.12
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)14,000 / 6350
Engine Weight (lbs / kg)16,000 / 7257
Tender Loaded Weight (lbs / kg)14,000 / 6350
Total Engine and Tender Weight (lbs / kg)30,000 / 13,607
Tender Water Capacity (gals / ML)150 / 0.57
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)60 / 227
Minimum weight of rail (calculated) (lb/yd / kg/m)12 / 6
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)20 / 508
Boiler Pressure (psi / kPa)160 / 1100
High Pressure Cylinders (dia x stroke) (in / mm)6" x 10" / 152x254
Tractive Effort (lbs / kg)2448 / 1110.40
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.72
Heating Ability
Tubes (number - dia) (in / mm)46 - 1.5" / 38
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)6 / 1.83
Firebox Area (sq ft / m2)17 / 1.58
Grate Area (sq ft / m2) 3.90 / 0.36
Evaporative Heating Surface (sq ft / m2)124 / 11.52
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)124 / 11.52
Evaporative Heating Surface/Cylinder Volume378.92
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation624
Same as above plus superheater percentage624
Same as above but substitute firebox area for grate area2720
Power L13406
Power MT1072.71

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