Nederlandsch-Indische Spoorweg Mij 0-6-2 Locomotives in Indonesia

Class Details by Steve Llanso of Sweat House Media

Class C20 (Locobase 4732)

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 ID4732
RailroadNederlandsch-Indische Spoorweg Mij
Number in Class10
Road Numbers351-360/C2001-2010
Number Built10
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)54,234 / 24,600
Engine Weight (lbs / kg)71,871 / 32,600
Tender Loaded Weight (lbs / kg)
Total Engine and Tender Weight (lbs / kg)71,871 / 32,600
Tender Water Capacity (gals / ML)
Tender Fuel Capacity (oil/coal) (gals/tons / Liters/MT)
Minimum weight of rail (calculated) (lb/yd / kg/m)30 / 15
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)41.70 / 1058
Boiler Pressure (psi / kPa)174 / 12
High Pressure Cylinders (dia x stroke) (in / mm)13.39" x 15.75" / 340x400
Tractive Effort (lbs / kg)10,016 / 4543.19
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.41
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)13.77 / 1.28
Evaporative Heating Surface (sq ft / m2)710 / 66
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)710 / 66
Evaporative Heating Surface/Cylinder Volume276.59
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation2396
Same as above plus superheater percentage2396
Same as above but substitute firebox area for grate area
Power L1
Power MT

All material Copyright ©
Wes Barris