FC Central Norte Argentino--San Juan-Serrezuela line 4-6-0 Locomotives in Argentina


Class Details by Steve Llanso of Sweat House Media

Class B4A (Locobase 21032)

Data from online Flicker Historical Railway Images at [link], last accessed 5 July 2022. Works numbers were 5378-5386 in 1904.

The comment accompanying this photograph states that this octet of wood-burning Ten-wheelers was part of a 20-locomotive order. Baldwin and others supplied the balance.

Principal Dimensions by Steve Llanso of Middle Run Media
ClassB4A
Locobase ID21032
RailroadFC Central Norte Argentino--San Juan-Serrezuela line
CountryArgentina
Whyte4-6-0
Number in Class8
Road Numbers41-48/3500-3507
GaugeMetre
Number Built8
BuilderBurnham, Williams & Co
Year1904
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m)12 / 3.66
Engine Wheelbase (ft / m)21.79 / 6.64
Ratio of driving wheelbase to overall engine wheelbase 0.55
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)72,800 / 33,022
Engine Weight (lbs / kg)90,720 / 41,150
Tender Loaded Weight (lbs / kg)70,560 / 32,006
Total Engine and Tender Weight (lbs / kg)161,280 / 73,156
Tender Water Capacity (gals / ML)3080 / 11.67
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)5 / 4.50
Minimum weight of rail (calculated) (lb/yd / kg/m)40 / 20
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)54 / 1372
Boiler Pressure (psi / kPa)170 / 1170
High Pressure Cylinders (dia x stroke) (in / mm)17" x 24" / 432x610
Tractive Effort (lbs / kg)18,560 / 8418.68
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.92
Heating Ability
Tubes (number - dia) (in / mm)
Flues (number - dia) (in / mm)
Flue/Tube length (ft / m)
Firebox Area (sq ft / m2)
Grate Area (sq ft / m2)16 / 1.49
Evaporative Heating Surface (sq ft / m2)1400 / 130.06
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)1400 / 130.06
Evaporative Heating Surface/Cylinder Volume222.05
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2720
Same as above plus superheater percentage2720
Same as above but substitute firebox area for grate area
Power L1
Power MT

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