Babat-Djombang Stoomtram Mij 0-6-0 Locomotives in Indonesia


Class Details by Steve Llanso of Sweat House Media

Class C21 (Locobase 4733)

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

Principal Dimensions by Steve Llanso of Middle Run Media
ClassC21
Locobase ID4733
RailroadBabat-Djombang Stoomtram Mij
CountryIndonesia
Whyte0-6-0T
Number in Class
Road Numbers
Gauge3'6"
Number Built
BuilderKrauss
Year1903
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)43,431 / 19,700
Engine Weight (lbs / kg)43,431 / 19,700
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)24 / 12
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)31.90 / 810
Boiler Pressure (psi / kPa)171.10 / 1180
High Pressure Cylinders (dia x stroke) (in / mm)11.02" x 15.75" / 280x400
Tractive Effort (lbs / kg)8720 / 3955.33
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.98
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) 7.53 / 0.70
Evaporative Heating Surface (sq ft / m2)398 / 37
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)398 / 37
Evaporative Heating Surface/Cylinder Volume228.91
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1288
Same as above plus superheater percentage1288
Same as above but substitute firebox area for grate area
Power L1
Power MT

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