Turkish State 2-4-0 Locomotives in Turkey

Class Details by Steve Llanso of Sweat House Media

Class 23.001 (Locobase 1605)

11-16 were delivered in 1869, 21-23 in 1881, 17, 24-28 in 1884, and 18-20 in 1888. Six were taken into Turkish Railway roster as 23.001-006.

Principal Dimensions by Steve Llanso of Sweat House Media

Locobase ID1605
RailroadTurkish State (TCDD)
Number in Class18
Road Numbers11-28
Number Built18
BuilderSharp, Stewart
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)45,248 / 20,524
Engine Weight (lbs / kg)68,768 / 31,193
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)38 / 19
Geometry Relating to Tractive Effort
Driver Diameter (in / mm)54 / 1372
Boiler Pressure (psi / kPa)139 / 9.60
High Pressure Cylinders (dia x stroke) (in / mm)16" x 22" / 406x559
Tractive Effort (lbs / kg)12,323 / 5589.63
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.67
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)14.31 / 1.33
Evaporative Heating Surface (sq ft / m2)764 / 71
Superheating Surface (sq ft / m2)
Combined Heating Surface (sq ft / m2)764 / 71
Evaporative Heating Surface/Cylinder Volume149.23
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation1989
Same as above plus superheater percentage1989
Same as above but substitute firebox area for grate area
Power L1
Power MT

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