Probolinggo Stoomtram Mij 0-6-0 Locomotives in Indonesia

Class Details by Steve Llanso of Sweat House Media

Class C25 (Locobase 4736)

Data from []. . See Indra Krishnamurti at [] for building dates and numbers both of predecessor railways and the Indonesian State Railways.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID4736
RailroadProbolinggo Stoomtram Mij
Number in Class3
Road Numbers
Number Built3
Valve Gear
Locomotive Length and Weight
Driver Wheelbase (ft / m)
Engine Wheelbase (ft / m)
Ratio of driving wheelbase to overall engine wheelbase
Overall Wheelbase (engine & tender) (ft / m)
Axle Loading (Maximum Weight per Axle) (lbs / kg)
Weight on Drivers (lbs / kg)47,840 / 21,700
Engine Weight (lbs / kg)47,840 / 21,700
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)47,840 / 21,700
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)27 / 13.50
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)33.50 / 850
Boiler Pressure (psi / kPa)171.10 / 11.80
High Pressure Cylinders (dia x stroke) (in / mm)13.39" x 14.57" / 340x370
Tractive Effort (lbs / kg)11,341 / 5144.20
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.22
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) 7.96 / 0.74
Evaporative Heating Surface (sq ft / m2)325 / 30.20
Superheating Surface (sq ft / m2)153 / 14.20
Combined Heating Surface (sq ft / m2)478 / 44.40
Evaporative Heating Surface/Cylinder Volume136.86
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1362
Same as above plus superheater percentage1798
Same as above but substitute firebox area for grate area
Power L1
Power MT

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